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  #11  
Old 03-11-2017, 05:57 PM
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LeeR LeeR is offline
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Join Date: Jun 2007
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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.
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  #12  
Old 01-15-2021, 08:09 AM
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MarkB. MarkB. is offline
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Comrades:

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 . . . .
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  #13  
Old 01-15-2021, 12:31 PM
shockwaveriderz shockwaveriderz is offline
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Quote:
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....
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  #14  
Old 01-16-2021, 07:50 PM
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astronwolf astronwolf is offline
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Join Date: Mar 2013
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Quote:
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....
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