Originally Posted by
Yak13
Everything seems to be perfect, but I can't get it to fly adequately. It tracks perfectly well most of the time except on certain maneuvers (stall turns, knife edge). The plane I got from a guy in Ca. Seems expertly built. The engine pulls it extremely well, achieving speeds of 135 mph after a dive, using a 10x8 APC.
Yak,
it sounds like there isn't really anything wrong with your A40 other than some trimming. They aren't perfect sphere's but dynamic machines... ;-)
Anyhow, I've got the data:
CG: 5.18" from wing LE at fuse side
CG: 5.41" from back of F3 at fuse side
Wing incidence: +0.5 deg
Stab incidence: 0 deg
Engine thrust: 1 down, 1.5 right
Do you have a 270 cc MK oval tank in her? Just wondering what kind of flight time you are getting on the piped YS45 FR. What pipe are you using? Also, what's she turning on the APC 10x8?
Oh yes, what Will said, some pics of her! I'd be interested in seeing the expert build innards and some 3-views if possible as well as the pipe setup.
David