09-13-2019, 11:15 AM
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Lost his Drifter
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Join Date: Mar 2013
Location: Northeast Ohio
Posts: 1,286
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Quote:
Originally Posted by Earl
Back in the Centuri days it was their series #8 tube, which is a bit smaller than the Estes BT50. The ST-8 is .908 od, whereas the BT-50 is .976 od.
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The Centuri Long Tom was ST-13 to ST-8, so for Estes: BT-55 to BT-50.
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-Wolfram v. Kiparski
NAR 28643 - TRA 15520
MTMA Section #606 President
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