Hi guys...

I'm thinking of doing some upscales and semiscalers and found thumbing back and forth through my Semroc, Quest, and Totally Tubular print outs rather tiring, so I sat down today and integrated them all into a master tube list.

It JUST fits on one sheet so it's easy to print out.

Enjoy! OL JR

Attached Files

SemrocTTTubesizechart[1].txt (2.0 KB, 479 views)

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The X-87B Cruise Basselope-- THE Ultimate Weapon in the arsenal of Homeland Security and only $52 million per round!

Thank you for the list. It will be a big help for me.
Is Semroc and Estes compatible?

Yes, the Semroc tubes listed as "BT-##" are the same size as Estes tubes, and use the same number that Estes uses for their designator.

The "Series ##" tubes are based on the old Centuri engineering sizes. Interestingly enough, you can substitute Series 13 tubes for BT-56 tubes. There may be some others that overlap or are 'close enough' but that's why I put the tubes in ascending order based on size.

Carl over at Semroc said I missed some tubes, SO I guess I'll have to get around to looking them up and integrating them into the list. SO much for it fitting on one page!

Later and good luck! OL JR

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The X-87B Cruise Basselope-- THE Ultimate Weapon in the arsenal of Homeland Security and only $52 million per round!

The Estes BT-56 is the same as the Centuri ST-13
The Estes BT-67 is the same as the Centuri ST-20
The BT-5 and the ST-5 are interchangeable

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Carl McLawhorn
NAR#4717 L2
semroc.com

That is funny!

Oh, you were talking about tube sizes.

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Carl McLawhorn
NAR#4717 L2
semroc.com

Also ST-9 and BT-50 tubes have identical inside diameters....so mounts, couplers, and for all practical purposes nose cones for one also fit the other. ST-9 has thicker walls than BT-50, yielding a slightly heavier but more robust airframe.

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Bernard Cawley
NAR 89040 L1 - Life Member
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