RC > Scratch One (RC trainer)

Q-15: A reader questioned the tapering of the wing spars on my Scratch One design. He had read the plans to indicate that the front 1/16 X 5/16 (high) spar tapered down by 3/16 inch; that left only 1/8 inch of material on the spar at the tip. Answer ...

Q-17: I’ve already built your Scratch One electric-powered sailplane design that appeared in the November 2003 MA and it flies great! But with all the talk now of Li-Poly batteries, can I change over to these new cells in my Scratch One? Answer ...

Q-61: I’ve already built your Scratch One RC electric trainer that was featured in your “From the Ground Up” series in the November 2003 and January 2004 issues of MA. The wood package from Aerocraft Inc., along with the components from Kirk Massey at New Creations RC, made my first scratch-built model a complete success. In fact I like the Scratch One so much I’ve been wondering if it might be possible to scaled it up or down in size to take a variety of electric motors? Answer ...