RE: Moving to a 100cc extra
The 35% Giles is out of production. It was replaced with a 40%. Not to worry. It flies with an 85 to 115cc engine and is the size of the average 35% Extra or Edge. Flies a lot better than the old 35% as well. It's a much nicer and easier to assemble plane that the original 35% Giles. I have one of each and much prefer the 40.