Can anybody tell me the scale of that kit? It's based on a BT-70 tube.

Thanks!

The scale is about 1/53. 24.4 inches for the model; about 1296 inches high for the full scale rocket.
Hope that helps!

Yes it does. Thank you very much jetlag.

Mike, if you're looking to possibly build a clone of the K-21 Estes kit, SEMROC pretty much
has most of the parts available.

BTW, I'm hoping to fly mine (the OOP PDRocketry P-21 kit) at Needville at least once this
summer.

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Dave, NAR # 21853 SR.