Psru gearbox kit. 09 for GM Motors only.

Psru gearbox kit Jan 22, 2025 · Item for sale is the Planetary Redrive made by Real World Solutions. PLEASE NOTE: Natural Mill Finish Gear Drives are in stock for immediate delivery (shipping in 1-2 business days). Dec 30, 2020 · Engine Buyer’s Guide Index Introduction Flat Four-Stroke Gasoline Inline and V Four-Stroke Radial and Rotary Rotary (Wankel) Compression Ignition (Diesel & Jet A) Volkswagen Jets & Turboprops Corvair Two-Stroke Electric AeroVee AeroConversions is the piston engine division of Sonex Aircraft, LLC, a burgeoning, pocket-size aircraft manufacturer producing everything from gliders to single-seat This section simply lists all the Rotax Parts that we “MAY” have for inventory. 588:1 Light and compact air-oil cooled BMW boxer looks much more "aviation" than most sertified aircraft "steam-age" piston engines. 54:1 for a brutal increase in torque multiplication for faster acceleration in first and second gears. Unearth a wide-ranging collection of general and kit plane aviation subjects, enriched with engaging imagery, in-depth technical manuals, and rare archives. It does turn Smoothly. (American Gear Manufacturing Association) specifies six classes of gear tooth failure: overload, bending fatigue, Hertzian fatigue, wear, scuffing, and cracking. Sep 25, 2009 · Output shaft has a tapered joint, gear to shaft ( keyed ) with a large spring type washer under the retaining nut to hold the taper tight through torsion and temperature changes. The overall length of this engine–gearbox combo is 25 inches from the prop flange to the stator cover. Much time May 2, 2016 · Dive into our comprehensive repository of knowledge, exchange technical insights, arrange get-togethers, and trade aircrafts/parts with like-minded enthusiasts. 9 to 1 belt, 72X38 prop-260 lbs. The gearbox employs Hewland race car gears and is dry sump pressure oiled (Note the pic of the dry sump pump on the output shaft of the gearbox). And the entire PSRU is bolted to the bell housing of the engine by a thick machined-aluminum plate and anodized spacers. They are building motors from new parts, apparently. Their […] Aug 20, 2008 · Rotax 277, 2. Great Plains Aircraft Supplier of VW engine conversions, conversion kits and components. 46:1 to 2. 47:1, 3. Each Stinger Gearbox is protected by our industry standard 2 Year Warranty Against Manufacturer Defects. 00:1, and 1. 6 to 1 ratio. Gearsets are $500. 827. That's 232hp (10,000' AGL), prop turns at 1630 rpm. The propshaft has the high capacity ARP-880 8-bolt, 2-dowel flange (the same one used on the PT-6 and TPE-331 turbine engines). AeroMomentum has their own PSRU, engine management, coolant plumbing, electrical system and mounting hardware—along with some firewall-forward kits. Aug 3, 2017 · If the PSRU has an idler gear, it is subjected to fully-reversing loads, so what is the cyclic stress level of the idler as a percentage of the input gear stress level? If the PSRU uses a chain or a belt, prove that the input TORQUE from my engine does not exceed the belt or chain manufacturer's engineering specifications AT THE RPM I INTEND TO Composite drive gearbox. Jan 23, 2024 · Not recommended for the casual kit builder, the ADEPT is an option for early adopters with the means to support something new. If there are any changes to this policy it will be announced here and through the users group. It only offsets the gear centers the small amount to provide adequate sprocket clearance, so less than 1" greater than a traditional PSRU offset. One may have to change the gear ratios, and get it to stay in gear, but it seems to be already built to bolt right on. Auto PSRU’s continues to massage their spur gear gearbox kits with a near total focus on fitting the Chevy LS-3 V-8 to Van’s RV-10. when I experienced a total thrust failure shortly after takeoff. Optional prop flanges. Way back in 1968, Jim began to […] Dec 4, 2023 · The Mark-15 gearbox is a lightweight, high-performance PSRU product which draws heavily on the success of the EPI Mark-9 PSRU, described by several users as "bulletproof. ** Visit their website:https:/ May 21, 2006 · Mohawk SP Gearbox, no hidden "machining" costs, no extra anything: $1795. Drive shaft bearing load is shared between the engine's shaft bearings on one side, and the PSRU needle bearings on the gearbox side. Ultrasonic clean and bead blast all parts. Franklin, PA 16323 Phone: (814) 677-7100 Toll-Free: (866) 679-4200 Fax: (814) 677-7102 info@centurydrives. Input gear and out gear design have been in production for approx four years now, only one failure known, on a Rotamax rotary engine ( 120 hp ). 01:1, 3. Rotax C gearbox: $1625 plus shipping to MAC for required machining of mounting face, and add $200. Supports constant speed or fixed pitch props. 58 to 1 gearbox, 64X34 prop-200 lbs. Items used on ROTAX engines. Propellers Worldwide delivery • Contact Vassili Tarakanov - AIR TRIKES ENTERPRISES, Owner - located St Lazare, QC J7T 2B1 Canada • Telephone: 438-832-7772 • Posted January 31, 2025 • Show all Ads Aug 18, 2016 · PSRU: BW 350 (Bud Warren, Geared Drives), Cast Aluminum Case, 1:1. The gearbox has been tested intermittently to over 300hp. 0L Kit Description: We no longer have a reliable local source for overhauling these engines. Gear material comparison. The PSRU is designed for 4-cylinder engines up to 210 hp and utilizes oversized gears and bearings for extreme durability and reliability. Milling 5. 76:1, 2. The two engines are mounted ahead of the pilot and connected to the nose-mounted gearbox by two specially-designed driveshafts. Most popular gear ratios are available, from 1. Bending stress is the most critical, since provokes the complete failure of the gear drive. More pictures and info on request. In-house fabrication is an Auto PSRU’s specialty. Engine mount, black powder coated, including vibration dampeners and all parts needed to bolt engine to engine mount: INCLUDED: Modification Kit for stock RV-10 cowling: INCLUDED: Auto PSRU’s PSRU Reduction Ratio 1. Auto PSRU’s long-standing offering is a 200-hp firewall-forward fitment for the RV-7. Subaru Engine Identification; Maintenance Bulletins; Builder Articles. Jun 26, 2012 · PSRU’s appear to be quite simple, but they actually involve several complex subjects, some of which seem to have been overlooked in certain PSRU products. Allow 90 days lead time. Has surface rust. THUNDER MUSTANG PSRU. Their long-standing offering is a 200-hp firewall-forward fitment for the Jan 23, 2024 · American Rotary Engine /Auto PSRU’s We’re combining these two very separate companies under one heading because they join to offer a Mazda 13B rotary engine conversion package. Mar 21, 2018 · Hello. Recently, Eggenfellner has shifted focus to a conversion of the Honda Fit inline-four-cylinder engine being marketed under the Viking brand name. 9/1. Why / what is being shimmed after only 600 hours? Is this a problematic engine and gearbox combination and if so how to remove gearbox problem May 15, 2023 · The effectiveness of our coupling system system is demonstrated by the fact that our Mark-9 gearbox can carry a continuous input from a V8 engine of 600 lb. External oil source is required. 250Z PSRU; 300Z PSRU; SD400 PSRU; SD550 PSRU; Parts; Airboats; Firewall Forward Packages. LS3 FWF Packages; Subaru FWF Kits; Mazda FWF Kits; Resources. 8:1 gear reduction; Gear quality exceeds AGMA 12; Engine horsepower up to 1200; Weight is 95 pounds . It was designed to replicate the North American P-51D as nearly as possible and practical. 9 - 1 This would allow a max cruise engine rpm of 3100. 85:1. The AM15 engine is a 1. The case of the gearbox is cast from 356 T6 heat-treated aluminum. Prop loads are borne by a massive shaft carried fore and aft by roller- and ball-element bearings. Just wondering if anyone knows where to get a 2:1 reduction gearbox that is suitable for a 100hp engine (Subaru EA81). Neither engine is supercharged, and while the R2800 is well paired with a 76-inch propeller, the R3600 can handle 90-inch props. yet. Jul 10, 2019 · Auto PSRU's Invites Builders to AirVenture 2019 Oshkosh with Specials on Reliable Gear Reduction July 10, 2019 Getting power to the prop is the trickiest part of powering an airplane with an The gears and shafts are forged and finished to AGMA aerospace standards. All GK redrives come with mounting blocks & plates, taper crankshaft adapter, assembly bolts for all machined parts. PRICES. Gear-drive units are either straightforward spur gear arrangements where one gear drives another, or more involved planetary arrangements where many gears are arranged in a sun-and-planet layout to drive the propeller. Welding works 8. HD Precision Machinery LLC manufactures the PSRU used on the magnificent Thunder Mustang kit plane. SUBARU EA EJ GEARBOX CONV. The flywheels Actually, the Auto PSRU’s PSRU is probably more accurately described as a single speed transmission in its design and function. This presentation will describe several of the critical concepts involved in PSRU design, with special emphasis placed on the methodology which EPI used to solve those problems. 5 liter 4 cylinder der automotive engine of 117 hp converted to aircraft use. They are very stiff. Stock configuration will bolt to big and small Chevrolet V-8’s. Turning 4. Apr 1, 2011 · Looking for thoughts on the psru bellhousing or adapter to the engine. Call for expedited pricing if you need your order sooner. A complete LS3 engine package, ready to install in your Bull Moose, is priced at $46,000, though a simpler “component package” containing all the same parts but leaving assembly to the builder is $39,950. Dan Shilling's Bearhawk, N61AK, with EG33, Autoflight gearbox, Ivo Prop, SDS EM-4 6F Located in Anchorage Alaska. -ft. Many people believe this as Jun 14, 2011 · Editor’s Note: We had prepared a lengthy story on the Geared Drives product, comparing two Ravin aircraft (one with the V-8 and the other with a Lycoming), that was ready to go to press only days before an accident occurred in the LS1-powered Ravin that claimed the life of Geared’s Bud Warren and his daughter, Phyllis Ridings. 11:1 PSRU gear reduction ~ 2,500 prop RPM: Propeller: Hartzell 82" Hartzell 3-blade HC-C3YF-1RF: Gear: Murphy spring gear from kit: Tires/wheels: 26" Goodyear blimp May 23, 2022 · Dive into our comprehensive repository of knowledge, exchange technical insights, arrange get-togethers, and trade aircrafts/parts with like-minded enthusiasts. 16:1 (diesel) This as ordered Firewall Forward package is ready to bolt to your airframe, connect provided SDS wiring harness, connect to your fuel management system of your choice (we have one available) add fuel, engine oil, PSRU gear oil, connect provided SDS harness, and ready for start up. Heat treatment of metals 7. This equates to 195hp (10,000' AGL), and the prop spins at 1630 rpm. The gearbox life-time is 1000-2500 hours (depends on the engine power and the prop moment of inertia). Return to top. Next, install forged pistons and rods, new bearings, ARP studs and MLS head gasket. Foxcon don't make a 2:1 + the price quoted was AU$4000. It requires one (1) quart of 75W-140 synthetic gear lube, any name brand oil is acceptable. The body consists of 2 bolted down parts: 1) gearbox with the gear and oil inside and damper housing ,mount plate (bell housing) and crank-damper coupler. Includes all of the following: • RWS RD-1C PSRU • Laminova oil to water heat exchanger • Custom 1000 cubic inch radiator from Tech Welding • Davies Craig Electric Water Pump, cooling Fan and digital controller • Fat Boy throttle system • RX-7 Turbo Intercooler • K & N Filter • 3 axis electric trim Dec 26, 2022 · American Rotary Engine /Auto PSRU’s. Simple two piece magnesium alloy case. We put the Mark-9 into production in 1997-8. Dec 14, 2021 · While all three of these companies offer relatively smaller, higher-rpm engines than the traditional big-inch Lycomings and Continentals, MWfly has uniquely chosen to maximize the strategy via 100% liquid cooling and a choice of adding a PSRU gearbox. 687 Bucktail Rd. Jan 23, 2024 · The 110-hp R2800 uses seven cylinders; the R3600 employs nine of the same cylinders and is the better-selling version. Redrive PSRU Gearbox Reduction Drive Belt Redrive in Poland used to make them but they don't seem to anymore. 8/1 to 2. Feb 13, 2013 · It is a small displacement, high revving engine so it requires a Propeller Speed Reduction Unit (PSRU, gearbox, reduction drive, etc…). co. 5L or 3. The gearbox has three plugs: drain, sight/level and fill. . 21 - 1 This allows a max cruise engine rpm of 3600. Their main attraction is a time-tested spur gear prop reduction unit with a centrifugal clutch. Run something similar to an enclosed bellhousing that encases and closes off the flywheel, adapter, drive coupler. I saw this on Craigslist. Dec 15, 2021 · Auto PSRU’s Auto PSRU’s factory RV-10 testbed is helping put hours on their Chevy LS-3 based engine and gearbox combination. 1 Precision Built Gear Reduction Unit. Gear box if you can get it is the best option in my opinion Apr 15, 2011 · We have further developed our PSRU and have now piece flywheel available for the AeroFlight 33 , this flywheel will fit the Subaru EJ series Autoflight NZ (3 components flex-plate) as well. In some cases we have used serviceable replacement parts. Great stsrt for someone. Aug 18, 2016 · Belt-driven reduction units are simple, relatively lightweight, and don’t pose many design difficulties. 0 and an expected wear life in excess of 10,000 hours, yet the driving gear in that gearbox has a pitch diameter of 250Z PSRU; 300Z PSRU; SD400 PSRU; SD550 PSRU; Parts; Airboats; Firewall Forward Packages. Services for the application of metallic and non-metallic coatings by gas-thermal and gas-dynamic methods. 100 HP and 117 HP, 178 lbs and 188 lbs respectively. It's available at most major auto parts stores or you can order it from us here. Spg-5 gearbox 3,000$ what i have in it with sae flange, subaru bellhousing, and shipping to the US. Make a mil-spec Raychem DR-25 motorsport harness and adapt the Apex engine to Jul 30, 2020 · Rotax gear boxes, especially the b-box are almost indestructible if you use the correct oil and keep it filled with the right amount. 06:1, 2. 667 : 1 CNC Billet Aluminum Case: INCLUDED: Centrifugal Clutch Assembly: INCLUDED: PSRU High Pressure Oiling System with Filter We have a custom engine adapter to mount our 200Za PSRU to your Mazda 13B engine. Another important consideration of the design of Bud’s PSRU is that it must maintain the propeller thrust line while allowing the engine to be placed in a lower position within the cowl. com Jun 4, 2020 · The Mark-19 gearbox is a compact six-mesh gearbox which uses TWO very-high-powered, turbocharged piston engines to drive a single propeller. This will make our products a little more price competitive Email nckm@wave . 20010-2011 Airdrome Aeroplanes ~ 929 NW Road 1571, Holden, MO 64040 ~ 816-230-8585 Mar 29, 2020 · A kit for the structural mods to the fuselage is currently priced at $1440. stuart@autopsrus. E. Auto PSRU’s. at 6800 RPM Rotax 503, 2. 2L / 376 in 3 V8: PSRU: Firewall Forward CAM 500: Power output: 480hp at 5,200 RPM — 2. 5 lbs. Light and compact air-oil cooled BMW boxer looks much more "aviation" than most sertified aircraft "steam-age" piston engines. Material Pitting ultimate [MPa] Sc Bending Ultimate [MPa] Sf Jul 6, 2014 · Time to redirect the current PSRU discussion from the DD V8 thread to a place with a more appropriate and searchable title. 0L engine. The belt-PSRU’s are limited in power transmission capability; 2. Round and flat grinding 3. HIGGS Diesel We’ve covered the innovative HIGGS Diesel program in detail in previous engine guides, but technical and COVID delays delivering these all-new design engines to Mar 19, 2012 · The gear-driven propeller speed reduction unit (PSRU) uses a helical-cut and carburized gear set, which is internally supported by double angular contact, high-load bearings; it is internally lubricated with its own oil supply. Heavy duty pressure lubricated prop shaft bearings. 11:1 gear ratio. Just trying to get out what i put in. In both examples, the tip speed is 465mph, or . The forces are compressive, instead of outward as in a gearbox, which means the whole thing can be designed a lot lighter, and a lot thinner. This approach for an aircraft engine not only saves the builder a lot of money but it also puts engines into aircraft that are already running on lead free fuels. 46:1 to 1. Very good parts and combination to make a reliable powerplant. Dec 26, 2022 · Not recommended for the casual kit builder, the ADEPT is an option for early adopters with the means to support something new. Our PSRU is designed for 4 cylinder engines up to 210 hp and utilizes oversize gears and oversize bearings for extreme durability and reliability. Warranty Card. of torque with a safety factor against gear tooth breakage over 2. Send off all steel parts for tumbling and cadmium/zinc plating. The engine and gearbox weigh 315 pounds, 150 more than the Rotax. Belt Reduction Drive for Air Cooled Industrial Engines! Our rugged belt reduction drive unit is designed for industrial engines, including the popular Predator, Honda, Kohler and Briggs and Stratton, Vanguard and… Contact Us Century Drive Systems, Inc. 54, 1. See installation pictures below. G. No requirement for additional vibration damping. May 21, 2006 · Looks like another Honda FIT remanufacturer, doesn't it? The price points are $9k - 13k. Jun 9, 2024 · INTRODUCTION. 00 ***Alt. 5L and 3. Discover top-quality auto parts, PSRU kits, and more at Autopsrus. (PSRU Gearbox) Parts are used. 45:1, and 2. (I really don't know). We’re combining these two very separate companies under one heading because they join to offer a Mazda 13B rotary engine conversion package. We do however recommend the use of Amsoil Severe Gear 75W-140 gear lube. Aug 9, 2018 · Step one is to tear down the engine and inspect and measure the internals. Oct 31, 2003 · The Mohawk "Sim C" gearbox shares most of the same basic dimensions with the Rotax C gearbox, including mounting bolt pattern and style which requires the top four bolts be inserted through the rear case with the front half removed. 2, to 1 ratios and are Centaflex driven for harmonics. 2. They transfer engine pulses to the prop. Coupling the engine to the gear box is German made Guibo rubber dampening donut that also is designed to last to TBO. Apr 16, 2014 · Dive into our comprehensive repository of knowledge, exchange technical insights, arrange get-togethers, and trade aircrafts/parts with like-minded enthusiasts. The engine has a geared reduction of 1. We done extensively test and glad to inform we have eliminated up to 90% the dreaded TV. Jun 26, 1996 · As part of the follow-on support which EPI agreed to provided to EPSYS, we machined and built two more complete Mark-9 PSRU’s and a working cutaway (below) of the PSRU for trade show displays, consulted with various vendors EPSYS solicited to produce the gearbox parts, and designed new parts to implement an EPSYS-requested change to the It all starts on the inside with a helical-cut, precision-ground gear set that delivers quiet, smooth and efficient power to the prop. 1000cc: $ 1199 - £ 938 - € 1143 . 1 Soft Drive Flexplate Coupler. Thankfully, the pilot (Lee Behel) was not injured. Upgrade your aircraft with the SD400 PSRU, the most efficient & powerful Auto PSRU available. Dec 16, 2021 · It is the better selling version, no doubt because it’s just a little larger and heavier but puts out 150 hp at 2350 propeller rpm (both engines use a PSRU gearbox). Best estimate of total time for an Air Trikes SPG4 (most similar kit to Yamaha) on Suzuki is 2000 hrs, drive shaft bearings. com Jul 26, 2011 · Does anyone know of someone flying using the stock Mazda manual transmission as a PSRU. PRICE $4500 Plus shipping Email Jun 26, 1996 · As part of the follow-on support which EPI agreed to provided to EPSYS, we machined and built two more complete Mark-9 PSRU’s and a working cutaway (below) of the PSRU for trade show displays, consulted with various vendors EPSYS solicited to produce the gearbox parts, and designed new parts to implement an EPSYS-requested change to the Auto PSRU’s will be performing futher testing of synthetic gear lubes in the near future to stay up to date with development and improvements in these products. Stewart 51 History Jim Stewart developed the Stewart S-51D over a period of around 20 years. 2 Quarts Gear Oil (1 Break-In and 1 Amsoil 75w-140w Oil) 1 Bellhousing Bolt Kit (SBC/BBC or LS/LT) Installation Manual with Maintenance Log. The bottom one goes on the back of the gearbox for the input shaft seal. 73 and 2. Or a machined "engine plate" with spacers to mount the gearbox allowing cooling to the rubber damper, inspection of damper , inspection of flywheel. 800 / 850cc: $ 1099 - £ 879 - € 1029. , for Aircraft, Airboats, Hovercraft. Apr 25, 2012 · Gear ratio 1. Jan 3, 2024 · The Mark-9 PSRU was the geared propeller reduction unit which we designed, prototyped, and developed for our Aircraft Powerplant. This article is an effort to present the methodology that I use to design a propeller reduction gearbox. May 21, 2006 · The more I dig into this, the more sense it makes. It puts out 150 hp at 2350 propeller rpm (both engines use a 3:2 PSRU gearbox, so that’s 3675 engine rpm). M. Gen II “Nytro” Gearbox. 54:1, 2. Sep 3, 2021 · There has been discussion of the Marcotte gearbox recently. Dec 16, 2008 · The drive gear rides on the splined end of this carrier shaft where it slides into the overhung PSRU body. The top one goes on the cone for the propeller shaft seal. 60 Mach. The Stewart S-51D Mustang The Stewart S-51D is an all aluminum, two-place, dual control, aerobatic, high-performance aircraft. Three gear ratios are available: 4. How much oil does it hold? The BW350 PSRU holds two quarts of gear lube Aug 1, 2018 · Murphy Moose kit: Year: Project began 2005, completed in 2008: Engine: LS3 Corvette - 6. About the LS3; Engine Selection Criteria; Keeping Your Auto Conversion Cool; Why Use an Alternative Engine; Water – The CH-3 Airboat Belted Reduction Drive Unit Powerful, Dependable, Quiet Performance with thousands of hours of operations. Mohawk Aero provides parts, help, and complete kits to convert Yamaha 4-stroke, water-cooled 120-150 HP snowmobile engines for use on propeller-driven air boats, hovercraft, gyrocopters, helicopters & fixed-wing aircraft. It was mounted onto a skid or engine mount for testing or running for fun, maybe a project that never was put together. We sell a special edition of SPG-4 gearbox kit for aviaconversions of BMW R1100, R1150 and R1200 (R1200GS) engines. The propeller shaft is hollow, allowing for mechanical propeller pitch adjustment. Feb 22, 2004 · Autoflight Gear Reduction units are now available direct from Autoflight NZ. The ruggedly handsome outer cases of these powerful drives are machined from solid 6061-T6 billet aluminum using the latest in machine center technology. This has low use / Low hours. Gearbox and engine-package specialist Auto PSRU’s likes to source its Mazda 13B naturally aspirated and turbo normalized engines from American Rotary Engine (see previous listing). Sep 25, 2013 · 1. 1. That destroyed the specially-designed Hartzell race prop, badly damaged one wing of the airframe, and lots of other parts. Aero Tech Automotive engine conversions. Rotation is counterclockwise and prop flanges come in 4", SAE 1 & 2 with drive lugs. This requires engineering, precision manufacturing, loads of hours to prove in the test cell, and then many hours/years of flight time to create a track record that customers believe and can trust. 00 to machine it or you can choose to do it yourself ***Alt. May 8, 2024 · At the specific request of a client, EPI did a detail PSRU design of such a product . Their website advertises a 5 year / 500 hour Dec 30, 2020 · Auto PSRU’s. Sep 12, 2017 · Does anyone have any knowledge about the SPG-4 spur gear redrive sold by Airtrikes? They offer a complete conversion kit for the Subaru EJ-22 that includes the bell housing, coupling/damper, geared redrive and all the hardware necessary to install. We provide high-performance solutions to enhance your vehicle's capabilities and driving experience. (See EPI Mark-11 PSRU) PLANETARY GEAR DRIVES. 00, and come in the folowing ratios: 3. Or Gear ratio 2. Centrifugal clutch, straight-cut gears, separate lubrication + LS3 power for max performance & lower costs. Carbon housing weight is 6. Dec 30, 2020 · Auto PSRU’s. Jan 6, 2025 · Engines are built from all-new parts and are modern, water-cooled, four-valve, high-efficiency designs featuring high rpm and a gearbox. Huronia Aero-marine Sep 25, 2014 · On March 11, the aircraft suffered a failure of the landing gear structure in-flight (high aerodynamic loading on poorly-welded components), causing a gear collapse on landing. It was also the first of our gearbox products to use hydrodynamic bearings, which substantially reduced the weight of the package. Locksmith work 6. The taper-bore drive gear attaches directly to the YG4 countershaft PTO, and although the internal moving parts are twice as big as Rotax C PSRU's, the overall length of the installed power plant is nearly identical to the that of the Rotax C, making this an ideal unit for some of the shorter fixed wing nose cowls. A toothed belt does not absorb TV either. But really they are fully involved in everything firewall-forward for their customers as necessary, all the way to engine mount weldments. These are beefier than the Rotax C and use the new soft-start MAC GT4 roller ramp clutch, GT5 sprag clutch, or GTF flex shaft coupling with BMW rubber This is visible looking up from the bottom of the gearbox. A few observations: A spring is NOT a damper so a sprung center clutch disc with steel springs is a useless addition in a PSRU if you want to reduce TV. The man has a prop for sale and the gearbox for sale separately. Never has flown in the air. at 6800 RPM Most people who are dissatisfied with Kawasaki engine packs are swinging short props with something below a 2. Aircraft is from a kit that was built starting in 2000 or 2002. 11:1 PSRU gear reduction ~ 2,500 prop RPM: Propeller: Hartzell 82" Hartzell 3-blade HC-C3YF-1RF: Gear: Murphy spring gear from kit: Tires/wheels: 26" Goodyear blimp Apr 14, 2016 · Hello all, I've been kicking around a few engine options for my 601 HDS project (about 60% finished) - I've disassembled two Corvair engines and prepared to rebuild to WW specs, considered Jab 3300s, Rotax, Viking, even an Aeromomentum (suzuki geo). Dec 18, 2014 · Coupling the engine to the gearbox is a German-made Guibo rubber dampening “donut” designed to last to TBO. Dec 4, 2023 · Additions to the PSRU section, including expanded presentations of Gear Information and Hy-Vo Chain Information, as well as pictures of the innards of the Mark-14 gearbox, two new propeller gearbox designs: the Mark-15 and Mark-16, and a new helicopter gearbox for swapping a turbine engine into a RotorWay 162. This gearbox will fit all of the 3-cylinder Yamaha and Arctic Cat snowmobile engines. Thus, work continues on Auto PSRU’s own in-house RV-10. Their long-standing offering is a 200-hp firewall-forward fitment for the RV-7. Manufacturing of parts for gear and belt reducers 2. About the LS3; Engine Selection Criteria; Keeping Your Auto Conversion Cool; Why Use an Alternative Engine; Water – The Aug 10, 2007 · Having said that, others may know if EPI's products, notably its Mark 9 gear box has ever suffered failures. Terms of Payment The delivery time from placement of your order will vary depending on parts in stock, machining of new parts, shipping, etc. 26:1 reduction and an independent system that lubricates the gearbox and controls the propeller. This moves the CG forward, which improves handling and allows more rear-seat passenger weight. Contrary to many marketing claims, the belt in toothbelt-PSRU’s PROVIDES ABSOLUTELY NO TORSIONAL ABSORPTION CAPABILITY (In fact, many of the high capacity toothbelts available have greater stiffness than chains of similar capacity)" PSRU - Prop Speed Reduction Unit Producers of the CAM series of Honda based liquid cooled aircraft engines complete with a belt drive PSRU, and the CAMDRIVE 500 helical gear psru for up to 500 Hp engines. As for belts which most use poly chains despite what most think they are not very giving. The kit also includes the engine to firewall mounting frame, intake manifold and throttle body, parts to relocate the alternator, side mounted radiators, exhaust manifold, and cowling modification kit for adding side radiator scoops. The planetary gear approach offers some interesting possibilities including compactness, light weight, reliability derived from load-sharing, and simple support for a hydraulic constant speed propeller. Mar 16, 2011 · Many of the issues center on the PSRU, with the current engines running on Generation 3 of Eggenfellner’s gearbox; builders were expected to upgrade from previous generations at their own expense. Normally these units serve several missions, which is the case in our set up as well. 2 short videos below - weight-shift aircraft flying with BMW R series converted with SPG gearbox kit: May 21, 2006 · No issues, no maintenance to date. PSRU is 2. Curiously, after a six-year drought, interest in Wankels PSRU AeroFlight33 AeroFlight redrives are a self-contained, oil bath, helical cut gear to gear, prop speed reduction unit. Auto PSRU’s had the standout advice of the continuing COVID era: “Don’t buy anything right now” because pricing was silly due to overwhelming supply issues. This engine is comparable in power and/or weight to the Rotax 912 and Continental O-200. See full list on epi-eng. MTV-18 electrically controlled three bladed constant speed prop - Customer: Aircraft has a 912 engine with a PSRU gearbox that owner says has been re-shimmed after 600 hours. The engine to gearbox adapter is a very essential part in order to be able to mount the PSRU to the engine. The Auto PSRU’s 250Z Zero Offset PSRU for Subaru was developed as a replacement gearbox for Eggenfellner Subaru 4 and 6 cylinder engines. This methodology has produced several successful aircraft propeller reduction units, as well as non-propeller reduction gearboxes for helicopter, NASCAR, INDYCAR, industrial, and other applications. We’ve already introduced Auto […] Are service and parts manuels available for currently manufactured airboat propeller reduction units? These would include proceedure, specifications and service tolerances. Icludes complete kit to mount. 72:1 and second gear ratio from 1. 83:1. This gearbox features an internal sprag clutch and 3. The BW350-SR2 kit comes with three #8-32 x 3/8 screws for the Propeller Shaft Seal Retainer. Learn about Auto PSRU's, your trusted source for high-performance propulsion systems, innovative designs, and expert engineering solutions for aviation. 75 reduction ratio Propeller: Whirlwind Aviation RV-10 composite prop, 80 inch, 46 lbs I was in phase one at around 33 hrs. 23:1 so the combined reduction ratio from crankshaft to prop is 3. For a Rotax parts illustration catalog CLICK HERE Dec 26, 2022 · He is offering a “deep discount” off the expected $12,500 PSRU retail price for the first individual to work with him in returning the Geschwender gearbox to flight. *See above note regarding vendor delays. The ratios are changeable for fine tuning rpms and props. Subaru 2. Fits GM V6 and V8 engine blocks. 40mm shafts and bearings, helical gears. PSRU for Eggenfellner Subaru Replacement to Retrofit Gearbox with Centrifugal Clutch and Flywheel Assembly. My company manufactures two Propeller Speed Reduction Units (PSRU) gear boxes that converts Chevrolet and Subaru engines for use in home built experimental aircraft. Efficient power transmission with Hy-Vo chain. Neither is supercharged and while the R2800 is well paired with a 76-inch propeller, the R3600 can handle 90-inch props. Sep 26, 2021 · Gearbox has sae 1/2 flange Engine as it sits 1800$ or reasonable offer. Instead we will provide our 200Za propeller speed reduction unit with fully automatic centrifugal clutch kitted together with all the parts needed to convert your Subaru 2. Auto PSRU’s offers complete automobile conversion engines. Ratios 1. Aug 1, 2018 · Murphy Moose kit: Year: Project began 2005, completed in 2008: Engine: LS3 Corvette - 6. We ship WORLD-WIDE, Bolt-on Belt Propeller Reduction Air Drives for Predator, Briggs, Kohler, Honda, etc. 09 for GM Motors only. Table-6. 2 short videos below - weight-shift aircraft flying with BMW R series converted with SPG gearbox kit: Changing the oil is easy. 5126 Dec 26, 2022 · 2022 Engine Buyer’s Guide Index Introduction Flat Four-Stroke Gasoline Inline and V Four-Stroke Radial and Rotary (Traditional) Rotary (Wankel) Compression Ignition (Diesel & Jet A) Volkswagen Jets & Turboprops Corvair Two-Stroke Electric AC-Aero USA LLC Longtime freelance engine designer Andy Higgs joined with businessman and Reno racer Karl Grove in 2021 to form AC-Aero. Our large helical cut gears are heat-treated to ensure durability as well. American Rotary builds the Wankel engines while Auto PSRU’s makes the propeller gearbox. Dan Hawken of Alberta designed his re-drive for the Titan-51 with a 3" Goodyear Hawk Kevlar belt and cogged pulleys. Auto PSRU’s is not an engine manufacturer; they make spur-gear propeller speed reduction units. nz Phone 0064 7 8241978 Gearboxes now for all Subaru EJ and EA series starters and flywheels supplied Suzuki G12 and 13 K10 Weber soon Shipping and handling on replacement parts listed will be quoted based on size, weight, and destination. These parts won’t be listed…. It is in great condition. Dec 11, 2012 · The Autoflight PSRU has a 2. KIT • $2,295 • LIMITED TIME ONLY • SPG-4 gearbox conversion kit for aircraft, airboats, hovercraft etc. Established in 2012 we are the only legitimate business doing so anywhere in the world. , but usually it is 90 to 120 days. Frames for the top-hinged doors add another $1500. Late model kit (1999) with the large carbon fiber tail, Outback gear and flaps. Century Drive Systems CH-3 Drive Unit The CH-3 Airboat Belted Reduction Drive Unit is designed for a large block GM, Chevrolet, and Cadillac engine. 58 to 1 gearbox, 60X28 prop-160 lbs. However, on a boutique basis they’ll help customers develop a firewall-forward fitment using one of Oct 24, 2015 · The EPI Mark-9 PSRU is a two-mesh (idler-type) reduction gearbox which allows the propeller to turn in the same direction as the engine. EG33 powered helicopter with SDS EM-5 6F RAM Racing Engines builds Subaru engines for aircraft conversions: May 31, 2022 · Watch and listen as Stuart Davis of Auto PSRU's talks about his RV-10 auto engine conversion using a PSRU Propeller convertor. Compact envelope dimensions for easier fit in small nacelles. Our Nov 16, 2018 · This gear set upgrades the C6 to wide ratio specifications changing the first gear ratio from 2. The Mark-15 includes our refined vibration absorption technology (now being used in NASCAR, INDY-CAR, and in military applications), improved gearing design , and new housing Although some YG4 kits use older, discontinued Rotax C boxes and RK400 clutches, most are sold with the newly-introduced AK7 "Russian" PSRU built to MAC spec by AirGearbox350 in Minsk, Belarus. com 936. iccdgchm nwm sdax cjejhsv nwxz xxd pumtv magca ktdv kaxqpn ugjuot idgrk opnmcdx mnmvlk shkcskwe