09-13-2019, 11:15 AM
|
 |
Lost his Drifter
|
|
Join Date: Mar 2013
Location: Northeast Ohio
Posts: 1,286
|
|
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.
|
The Centuri Long Tom was ST-13 to ST-8, so for Estes: BT-55 to BT-50.
__________________
-Wolfram v. Kiparski
NAR 28643 - TRA 15520
MTMA Section #606 President
|