Hi Jim,
My own (Fox Powered) Mongoose's L.G. is located 5/8ths of an inch fwd of the wing L.E. I use a 2" rubber wheel. Seems to work quite fine. If you use music wire instead of sheet aluminum, you can quickly adjust it as necessary... Good luck, it will be FUN, as the Mongoose is a tried & tested, proven excellent racer!
Cheers, Paul
I am currently building a mongoose for club racing. I am to the point of installing the landing gear. It will be a single wheel setup. How far ahead of the CG should the wheel be?
Thank you,
Jim