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Old 01-14-2013, 12:05 PM
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blackshire blackshire is offline
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Join Date: Jan 2009
Location: Fairbanks, Alaska
Posts: 6,162

Originally Posted by tbzep
We won't even get into the nose cone differences.
...Which is, in turn, due to the body tube difference...while Centuri/Semroc #7/ST-7 tubing makes a great replacement for Estes BT-20 in motor mounts, when used as a body tube it *does* illustrate the difference between "equivalent" and "equal"; swapping one for the other is a bit like those OEM car body parts that say "Style may vary slightly" on the labels. :-)
Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
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