>l. I want to use carbon fiber to build the belly board for my KR2. ++++++++++++++++++++++++++++++++++++++++++++++++++++++
I just finished my state and federal income taxes so this is an easy question. I used 1/4 inch foam for a very similar sized board with one layer of KR glass on each side and 1" holes in the board . http://myplace.frontier.com/~flesner/19.jpg The hinge is epoxied to the board (many 1/8" holes in the hinge with a strip of glass over the hinge) with 5 each 3/16" bolts holding the hinge to the fuselage. A piece of cheap 1/4" pine glued to the inside of the fuselage where the bolts penetrate. I added a foam wedge (glassed)for an air ramp just forward of the hinge. A single jack screw extends the board to near 90 degrees and it has survived in airspeeds of 110+ MPH. Larry Flesner
