I'm expecting finally to finish it a couple of weeks from now. I originally had a Magnum 1.20FS mounted on the Spacewalker, but by the time I added the weight of the motor mount to the 1.20 FS, the G-23 converted to CH-Ignition only weighed a few Oz. more.

The Spacewalker typically needs nose weight anyway, and even with the plastic wingtips left off, the wing area has over 1,000 sq.in. At estimated 10lbs RTF, my Spacewalker should still have a fairly light wing loading of around 23 Oz/sq.in. - not too bad. As of now, the plane balances perfectly with the 2 elevator servos mounted at the tail.

However, I'd have to say using a gasser in this size model is borderline okay. The Spacewalker worked because it has such a short nose moment. I will let you know when it's finished.