Thread: Bt-30
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Old 12-09-2007, 08:40 PM
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kurtschachner kurtschachner is offline
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Quote:
Originally Posted by Mark II
Semroc lists BT-40 in their online catalog. They have also had BT-30 for awhile, but spiral-wound, not parallel. I like cloning the old designs, so I've been using plenty of the BT-30.

Mark K.


Ya, I am assuming it is spiral wound BT-40. IIRC Estes never made parallel-wound BT-40, it was only the leftover MMI stock, right?
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