© 2018 by MAC

Steve Henry's Just Highlander, nick-named "Yee-Haw 6", swept the EAA Oshkosh AirVenture 2018 STOL competitions all week long.  To cap it off, on Sunday, July 29, 2018, the EAA AIRVENTURE daily newspaper "TODAY" named Steve and his airplane winner of the prestigious and coveted Light-Sport Aircraft Reserve Grand Champion award! 

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Back in January 2013 Steve was our first paying customer.  Then, in 2017 immediately after we announced the introduction of our Yamaha APEX engine adapters - to attach gearboxes to the Yamaha Genesis 4-cycle, 4-cylinder, liquid-cooled, fuel-injected, 150 HP engines (YG4i) - Steve was the first to order one.  He finished his YG4i conversion and Highlander airplane build, and had it flying in 2017.  This year, Steve flew it to Oshkosh for AirVenture 2018 from Nampa, Idaho, some 1700 miles one-way.  

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We are proud to be a small, but key, factor in Steve's extremely successful Highlander Yamaha APEX project, and to share his joy with everyone in this once-in-a-lifetime award (one cannot win in any category more than once). 

 

This is what innovation for EXPERIMENTAL AIRCRAFT is all about!  Congratulations, Steve, and "Yee-Haw!!!"  

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Mohawk Aero Corps (MAC) was the first shop to build and fly a Yamaha Genesis 4-cylinder (YG4) 140 HP YG4 aircraft in 2012.  We were the first to start selling RX1 snowmobile engine (YG4) conversion kit parts, in 2013.  In 2015 MAC was the first to fabricate a purpose-built PSRU for any Yamaha conversion, the Silent Drive which uses Hy-Vo chain and prop strike protection technology. 

 

Then, in early 2017, MAC was the first to produce and sell a conversion kit for the fuel injected, 150 HP Yamaha Apex snowmobile engine, the YG4i.  We continue to this day to be the ONLY, EXCLUSIVE, provider of APEX engine conversion kits!  Our Yamaha conversions kits are now being used on the world's most powerful aircraft engine, pound-for-pound: Steve's 190 HP "Yee-Haw 6" which weighs about 170 Lbs. installed, all-up, plus NOS bottle & plumbing.  

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MAC has been imitated and copied, our Yamaha adapters re-designed then sold by others.  But no one has come close to being able to match our flawless in-flight record of ZERO gearbox, clutch/ shaft coupling, and/or engine failures to date, making our exclusive Yamaha conversion products second-to-none.  Independent consumer reports of in-flight "required related equipment" failures using our competitor's adapters is an astonishing 1 in every 3 to 4 adapters they have sold, a total of some 26 adapters.  These failures include: gearbox bearings failing in 50 hours, and another at 200 hrs; a rubber shaft coupling destroyed in 10 hrs, and another at 50 hours; a cracked clutch hub; clutch springs breaking; and clutch attachment screws falling out.    

 

MAC has had zero failures and sold 21 conversion kits as of 7/31/2018.

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Your safety IS our concern!  

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Parts & Complete Kits NOW ON SALE

 

CONTACT

GT Mills

Mohawk Aero Corps

108 Marabou Drive

West Columbia, SC 29169

 

info@mohawkaerocraft.com

Tel: 1-912-344-7900

 

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