Dan wrote: > Did either of them say anything about what they had to do to convert from VW > to Corvair, such as any problems with changing out the motor mount.
Both had to make new engine mounts, as the Corvair is completely different, but it's a simple bed mount with pretty simple geometry, rather than a bunch of fishmouths (see http://home.hiwaay.net/~langford/corvair/01112716.jpg, or the bottom part of http://home.hiwaay.net/~langford/corvair/mount_fit.html . >Did they comment on the affect of the extra weight and HP? Just a big YEEEEEE HAAAAAA! They are both fairly heavy KRs, given all the modifications they've undergone over the years. The Corvair isn't really that much heavier than the VW, maybe 40 pounds, and its CG can be kept well aft in the engine compartment. It's nothing that a few pounds of ballast in the tail wouldn't take care of, if nothing else worked. Glenda brought a running VW aircraft engine to CC#8, so it will be weighed and dyno tested in the next few weeks to answer that question once and for all. To me, almost doubling the horsepower more than makes up for the small weight gain. Both Steve and Bob are using stock Revmaster cowlings. I don't think either one did much (if anything) to their cowlings when they swapped engines. The Corvair is dimensionally smaller than a VW in all directions except length, so it's just mounted closer to the firewall, which also has the benefit of moving the engine's CG further aft. Both of them are running a 3" prop extension on their Vair engines. I'm running the equivalent of a 2" extension, although mine is just built into the prop hub to start with, since I designed it. I have a lot of photos of their installations that I've taken at SNF and at the Corvair College, and I'll try to publish them one of these days. There's more on my Corvar installation at http://home.hiwaay.net/~langford/corvair/ . Mark Langford, Huntsville, AL N56ML at hiwaay.net see KR2S project N56ML at http://home.hiwaay.net/~langford
