thank you. I'll think it all through when I get the project in hand. But if the difference is this minor, I'll probably avoid the hassle. I'm mostly concerned with pitch stability and rudder control anyway, so modifying h.s. and rudder will be my priority.
> -------Original Message------- > From: Mark Langford <n5...@hiwaay.net> > Subject: Re: KR> angle of incidence, AS504x > Sent: 03 Feb '06 06:43 > > Tony wrote: > > > I've read your thoughts on AOI etc. I believe the project (boat with main > > spars in place) I just purchased was built to original KR2 plans, so I > > assume it is using 3.5degre AOI for wings?. I intend on going with the > > AS504x. I've been thinking I will have to find a way to raise the rear > > spar to get close to 1-2degree AOI. Are you suggesting its probably not > > worth the effort if my main concern is cruise AOA at altitude of 5-10K. > > Yes, you've got it. Due to the differences in the airfoil shape, the rear > spar is almost in the correct place anyway. I think either way is fine. > The templates for the AS5046 are set up for either way, so whatever's > easiest for you. I'll bet there's no measureable difference, except perhaps > in visibility over the cowling, and you can get one degree closer to a full > stall landing without hitting the tailwheel first. The horizontal stab > isn't "theoretically perfect", but neither is Troy Petteway's KR2, and his > is the fastest KR I know of... > > Mark Langford, Huntsville, Alabama > see KR2S project N56ML at http://home.hiwaay.net/~langford > email to N56ML "at" hiwaay.net > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net > please see other KRnet info at http://www.krnet.org/info.html >
