I have the 1/4 scale and the 1/3 scale kits and have not yet started to build. I have a Zenoah G-26EI engine for the Spacewalker II and am in the process of getting a RCIgnitions G-62 for the 1/3 Scale. Tom Crump did a build of the 1/4 scale and the 1/3 scale, and is a wealth of information for your building on this web site and at the OTHER web site. There are several forum threads to gleen information from.
Joe



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