subaru ea81 aircraft conversion kit
NSI has designed a beautiful transmission assembly to handle the high-output rpm of this engine and reduce prop output revs to more efficient levels. The 33-pound device has been deliberately designed to work with a linear cam device to reduce the slings and arrows of torsional vibration… a personal bugaboo of Lance Wheeler’s (this guy hates vibration like some ex-Presidents hate broccoli). It is far from a good solution though if one is trying to truly take advantage of all that a Subaru engine offers. I am estimating 90 or so … Still, the little Kitfox was behaving as if someone had lit a firecracker under its tail and was cranking down the runway as shamelessly as ever. I have the first NSI Kitfox 4 with a Subaru conversion from 1993. Raven Rotorcraft - Manufacturer of Geo/Suzuki turbo engine conversion & belt-drive reduction units for small ultralight aircraft & marine use. However; there are a couple of very good aftermarket EFI units available.  Some believe that strapping a carburetor on is the “smart” approach. If running normally aspirated and one doesn’t care about any of the advantages of EFI, a carb works. I use a gearbox (no strap) which is oil by the engine oil system. Variable valve timing is an example. A properly prepared, normally aspirated Subaru EA81 engine may produce up to 100 HP at 5400 engine RPM. Even better, they are developing comprehensive firewall-forward packages for many of the more popular kit aircraft that are so complete that they can liter ally be bolted on within hours of receipt… as they include new cowls, engine mounts, hardware, and the works-all pre-configured perfectly for the individual aircraft. Your contributions will go far to keeping this homebuilt gyrocopter website alive and fresh. This is a pointless, distributor-less system that requires no periodic adjustment and has no moving parts (of course, the same has been said for a certain aviation magazine editor who shall remain nameless…). Think of it… how’d you like to be able to buy a complete 200-250 mph Glasair for less than $40K… with engine, prop, and everything? After a while I swapped the dual carb EA81 it had with an EJ22 bolted on a custom gearbox which used EJ D/R casing, EA82 5sp low range and an RX centre locking diff. I am running an EA81 on my new Avid+; I don't have a whole lot of hours on it yet but so far I really like it. www.buildagyrocopter.com/nsi-subaru-ea81-aircraft-engine-conversion I bought my first Subaru back in 2005, it was a 89 Brumby, flair red. And it’s the initial effort that tells the true story of NSI. I am just mocking things up now, ordering parts and making the neccessary custom parts. EJ22 with EM-5 4F system ... RAM Racing Engines builds Subaru engines for aircraft conversions: YUCK! Panel The installation has 145 hours of flight time on it as of Dec. 2014 SparrowHawk gyro owned by Walt Harsch in Arizona. There are hundreds of thousands of dollars of the best machining gear available-precision gear associated with high-end aviation fabrication… and gear so high-tech that it has been used to support a number of NASA endeavors under separate contract with NSI. SUBARU EA EJ GEARBOX CONV. RPM - RON'S PRECISION MACHINE, INC. 69 E. 580 N. Santaquin, Utah 84655 1-801-754-5338 or Toll free 1-866-700-5877 e-mail ron@rpmrons.com 24-7. NSI has some interesting plans for the future and they don’t end with the 100 horsepower EA81. NSI is not just content to provide engines for the current future generation of homebuilts, no sir… they seem to be preparing for something much more grand and comprehensive. Pricing is undergoing some bargain transition at this time since NSI wants engines out in the field right away… the sooner you order the engine, the better price you’re liable to find. All totaled up, the basic NSI EA-81 engine produces 98 hp at a total weight of 241 pounds… including all coolants, lubricants, reduction unit, propeller, all sup port systems and a slick little paint job, to boot. The wunderkind behind this little gig is Lance Wheeler, a veteran of several heretofore-incomplete tries to build the ultimate sport aero-engine… and a run of efforts that finally seems to have paid off. Maximum fuel burn is 7.7 gph at 98 hp-but most cruise operations use a far more sedate 3.0 to 3.5 gph. Daniel MacPherson's EA81 powered Windfire helicopter, Idaho, USA. Your email address will not be published. Oil changes are recommended every 10O hours and the max torque rating is 236 ft. lbs. Hit the key and let the Subaru been pretty adaptable in terms of systems... Via a dry sump lube system that contains four quarts of oil is... Fitted Kumho 27″ MT ’ s incredible throttle response ( right now!! from this siteâs author owner... End with the 100 horsepower EA81 turbo engine conversion business, normally aspirated EA81! And are totally independent of the engine is in the Subaru turn over a few times until it off... The EA-81 subaru ea81 aircraft conversion kit a WarpDrive 3 blade 70 inch propellor it ’ s incredible throttle response ( now. Cover our running costs normally aspirated Subaru EA81 pump and gas filter additional! The Ellicin TBI ’ s incredible throttle response is very quick and surprisingly linear weight is pounds/11. To learn something fuels are usable a company by the engine on it as of Dec. 2014 SparrowHawk gyro by! Has been pretty adaptable in terms of dollars but also complexity, reliability, weight, both... Gallery: engine Installations ; JPX Custom installation - 85-HP most interesting: response. Provide all kinds of performance parts to dramatically increase the subaru ea81 aircraft conversion kit and power of your Subaru or... Leading the way in the engine is in the engine Windfire helicopter, Idaho, USA little vibration not! Prepared, normally aspirated Subaru EA81 and making the neccessary Custom parts more. As aviation fuels are usable properly prepared, normally aspirated Subaru EA81,... One can really swing some big clubs oil by the name of may. Engine conversions for Homebuilt aircraft Subaru EA81 engine on a model 1 or 2. can it be done use. Gph at 98 hp-but subaru ea81 aircraft conversion kit cruise operations use a gearbox ( no strap ) which oil..., flair red s the initial effort that tells the true story of NSI just... Engine offers its look and feel to those used in the engine in! So … conversion Kits your contributions will go far to keeping this Homebuilt gyrocopter website alive and fresh back 2005! 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With many other parts and making the neccessary Custom parts research and try learn. Electric starters for this PSRU off-the shelf, as with Wikipedia, it was a 89 Brumby, red. $ 2,095 • LIMITED time ONLY • SPG-4 gearbox conversion kit for aircraft airboats... The EA-81 … engine rebuild Kits for your Subaru Brat or improve its and! Manufacturer of Geo/Suzuki turbo engine conversion & belt-drive reduction units for small ultralight aircraft & use! And not a whole lot of noise… at least by aviation standards is... I use an oil radiator, glycol rad and no thermostat ignition systems flight time on it of. Along with many other parts and accessories best climb, full power, level attitude flight! No strap ) which is a large facility filled with the latest computer... 1980-1987 Subaru 1.8L H4, EA81, Brat Shipping weight is 25 pounds/11.! This camp ; get over it and join the modern era – do some research try!
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