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Old 07-01-2015, 08:07 PM
stefanj stefanj is offline
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Join Date: Mar 2005
Location: Hillsboro, OR
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I was under the impression that the early BTs were the equivalent of the BT-30 and BT-40.

Some of the early, un-updated Model Rocket News-es had plans, and there is this:

http://www.ninfinger.org/rockets/ca...an/esttech.html
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