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Old 03-11-2017, 05:57 PM
LeeR's Avatar
LeeR LeeR is offline
Retired with Way Too Many Kits
Join Date: Jun 2007
Location: Colorado
Posts: 2,730

How about doing a few wraps of 6 oz. fiberglass cloth on a BT-60? I used to do wraps of 3/4 oz. cloth to add negligible thickness, add a little strength, and fill seams. The 6 oz. weight should add enough thickness after 2-3 wraps.
Lee Reep
NAR 55948

Projects: Semroc Saturn 1B, Super X-Ray
In the Paint Shop: Farside-X, Tiger Shark, Super Goblin
Last Completed: Semroc Squire
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Old 01-15-2021, 08:09 AM
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MarkB. MarkB. is offline
Surfrajettes Fan
Join Date: Feb 2008
Location: El Paso
Posts: 1,044


Some more necro thread action!

Very pleased to let you know that Rocketarium has made their 1.72 O.D./ 1.66 I.D. tubing available for purchase along with a coupler. Motor mounts can be constructed by using the coupler and standard BT-60 centering rings. Check it out on their website.

And they have a 1/10 Black Brant V kit based on this tubing. With the additional tubing and couplers available, sport scale versions of later NASA Black Brant VIII - XII, boosted by a variety of American rockets and with Nihka upper stages can now be built.

So while I build the Black Brant, I'll draw up gap-staged Sparrow- HV Arcas in 1/4.6 scale using this tubing for the Sparrow . . . .
Identifying a problem without proposing a solution is really just whining.

NAR 79743
NARTrek Silver
SAM 062

Awaiting First Launch: Aero-Dart; Tomahawk 12; Tomahawk 9; Paiute; Tomahawk 7; Rescue Aerobees(2); Timm Arcas; Sonda II; Nike-Ram (2); Centuri Screaming Eagle
Finishing: Zooch Saturn V; Alway/Nau BioArcas
On the Bench:
Dream Stage: 1/39.37 R-7; 1/10 SA-2
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Old 01-15-2021, 12:31 PM
shockwaveriderz shockwaveriderz is offline
rocket dinosaur
Join Date: Mar 2005
Location: My Old Kentucky Home
Posts: 1,058

Originally Posted by olDave
go to a local machine shop and have a piece of pipe turned down to the ID you need. Don't forget you could use plastic (PVC) pipe for a mold surface. Practice a little with laying up some brown butcher paper (or whatever type of material turns you on).

Dedicated scale modelers do it all the time.

as does FAI ....just roll your own....
"Old Rocketeer's don't die; they just go OOP".....unless you 3D print them.
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Old 01-16-2021, 07:50 PM
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astronwolf astronwolf is offline
Master Modeler
Join Date: Mar 2013
Location: Northeast Ohio
Posts: 878

Originally Posted by shockwaveriderz
as does FAI ....just roll your own....

Yes but.... buying from Rocketarium is easier. This is welcome news.

As for rolling your own, for competition I do that. For regular model rocketry ..... meh....
-Wolfram v. Kiparski
NAR 28643 - TRA 15520
Paintshop: closed for the winter
Building: Ace Mongrel, Cobra 1500
In the holding pen: everything
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