Can't let a Cherokee-D thread go without adding something. The 18" version is the *right* length to me, perhaps since that was the length of my first one "back in the day". I've built both, but my upscales are based on the long version. Agree about nose weight, a D12-7 on the short version w/ Balsa NC needs a large steel washer to be stable. My most recent clone was a BT55 18" tube, with a 29mm mount for the Estes F15. Needed to entirely fill the plastic NC with clay, but flies great!

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Paul
If we weren't all crazy, we would go insane - Jimmy Buffett
NAR #87246 www.wooshrocketry.org