Custom Corvair Motor Mounts and installation components. 

Builders;

Over the years 1996-2016 I built about 50 one of a kind motor mounts to install a Corvair in unique or limited popularity airframes.  If you look back over the old photos on my traditional site: http://flycorvair.com/ you can see pictures of mounts on airframes like the Pegzair, Eich/J-2, Buttercup, Tailwind, Jr Ace, Stitts Skycoupe, KR-1, Kitfox #4, Skylite,  and Varieze.  There were a number of designs that started as one mount, but took years for a second one to sell, these include the Dragonfly, the 701, the Flybaby and the Wagabond. 

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While just four designs, the Zenith 601/650, the Zenith 750, the Pietenpol Aircamper and the KR-2 and 2S make up 90% of the total mounts we have made over the years, I still wanted to support the airframes choices that some builders made. As a general policy, if it was a good match to the airframe, and the builder seriously wanted it, I was willing to make it.

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The plan got a number of interesting planes going and was a good way to demonstrate both the versatility of the engine, and our technical ability to support builders. But it also had several serious flaws: Although most custom mounts take four times as long to build, and a lot of planning, I typically only charged builders the same rate as the closest “big four” mount, and second, I didn’t always get builders to acknowledge that custom mounts took time, and were not the highest priority in the shop. This meant I lost money on every one of these mounts, and was often rewarded by having an impatient customer complain to on line discussion groups, without ever mentioning the price, nor the fact his was building an obscure, obsolete airframe. Let those mounts stand as “Exhibit A” that I am both dumb and a slow learner.

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Under the principle “The early bird gets the worm, but the second mouse gets the cheese” , Dan Weseman is now trying his hand at offering custom motor mounts and exhausts. Because he believes it isn’t required to repeat the mistakes of friends, he is making these mounts, but requiring the builders to understand they are going to cost more than standard mounts, and they are not in stock like the “big four” mounts. He is glad to look at doing mounts for builders as long as conversation starts with the understanding of these to points.

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Above, It looks like a number of other mounts, but this is a picture of a Savanna S mount.  It was built by Dan Weseman at SPA/Panther. Note that it has it’s own custom exhaust that fits it like a glove.  While the mount is built around the same basic “tray”  as other mounts, and the exhaust system uses our decade prove stainless steel subcomponents, they still take a lot of time to design and build. These items are shown on my dummy engine, installed on a rotting stand, because all kind of components have to be check for clearance and the ability to be routinely serviced. Additionally, calculations for both weight and balance, thrust line and stress must be done. This is why a one of a kind mount has to cost a lot more, because a popular mount can have these cost spread over many of it’s kind.  Builders interested in talking to Dan about a mount can call him at 904-626-7777.

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-ww.

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About William Wynne
I have been continuously building, testing and flying Corvair engines since 1989. Information, parts and components that we developed and tested are now flying on several hundred Corvair powered aircraft. I earned a Bachelor of Science in Professional Aeronautics and an A&P license from Embry-Riddle Aeronautical University, and have a proven 20 year track record of effectively teaching homebuilders how to create and fly their own Corvair powered planes. Much of this is chronicled at www.FlyCorvair.com and in more than 50 magazine articles.

2 Responses to Custom Corvair Motor Mounts and installation components. 

  1. Dewayne Clardy says:

    I have a question about a engine i have. The heads are part 3856743 with l2206g 0.030 pistons and the case is marked T0526yr while the crank shaft is 3409 that has been turned R.020 M.020 according to the spec listing sheet and the manual the YR indicates a 1964 engine but the head assembly is from a 1965 engine. according to these numbers is this a 1965 or 1964 engine because it seems kind of confusing

    Dewayne Clardy Desoto Highschool CTE

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