I've always assumed cruise speed meant, for a normally aspirated engine, full throttle at 7-8 thousand feet.
********* My belly board has holes. It came that way. A long time ago I was wondering if it would be more effective if I filled in the holes and so did some research regarding why WWII dive bombers had holes in their drag surfaces. It turns out that lightening the metal was a consideration, primary however was that without the holes the planes became very difficult to control once in a dive. Putting holes in the metal helped with this control issue, but it also reduced drag. I found that in covering up my holes with tape did make the drag flap more effective. The tape was a periodic hassle to replace though, so until I get around to cutting some wood to exactly match the various-sized holes - that is to say, doing the job correctly - I'm living with the holes. It only goes down about 45º degrees, if that, and does not make a lot of difference. But it helps, so I always use it. Jim Morehead's has the right idea for a drag flap. It is large, goes down to almost 90º, has a very nicely designed deployment lever, and worked beautifully. It really slowed the plane down with no fuss. I would copy Jim's design if I were building a KR with a belly drag flap. Mike KSEE ____________________________________________________________ Moms Asked to Return to School Grant Funding May Be Available to Those That Qualify. http://thirdpartyoffers.juno.com/TGL3141/4ca04025a704b1e6676m04vuc
