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  #21  
Old 02-12-2021, 10:30 PM
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ghrocketman ghrocketman is offline
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Not to mention BT-101 is not offered in the Estes catalog either.
I don't know if it is available from them or eRockets.
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  #22  
Old 02-13-2021, 12:11 AM
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Gee, if only one could quickly google "erockets" and "BT-101", and instantly find a link like this:

http://www.erockets.biz/bt-101/

Sorry for the interruption, now resume the whine-fest about a REALLY neat kit.

Or go on eBay and become the top bidder on the original Estes Pershing the next time one is listed. And do not whine about the cost.

Or, effing create your own 3D files, print them, and kit it including all the tubes, parts, chutes, shock cords, decals, and so on. Heck, include the glue and paint and sandpaper and model knife too.
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Last edited by georgegassaway : 02-13-2021 at 11:36 AM.
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  #23  
Old 02-13-2021, 08:54 AM
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If I didn't already have a built Maxi-Brute Pershing, I'd get one from Boyce. His parts are *very* nice, best 3D printed model rocket parts I've seen. Providing short kits probably fits his business model well, 3D parts can really only be used for low volume. Hmm, now what parts should I get next?
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  #24  
Old 02-13-2021, 09:36 AM
TigerHawk TigerHawk is offline
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This BT-101 is pretty close in size needed for the Pershing 1a kit.

Semroc Body Tube BT-101 21.4" Long SEM-BT-101LA *
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  #25  
Old 02-13-2021, 09:38 AM
TigerHawk TigerHawk is offline
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Quote:
Originally Posted by PaulK
If I didn't already have a built Maxi-Brute Pershing, I'd get one from Boyce. His parts are *very* nice, best 3D printed model rocket parts I've seen. Providing short kits probably fits his business model well, 3D parts can really only be used for low volume. Hmm, now what parts should I get next?


They definitely are very nice, with high quality detailing.
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  #26  
Old 02-13-2021, 09:49 AM
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Quote:
Originally Posted by PaulK
If I didn't already have a built Maxi-Brute Pershing, I'd get one from Boyce. His parts are *very* nice, best 3D printed model rocket parts I've seen. Providing short kits probably fits his business model well, 3D parts can really only be used for low volume. Hmm, now what parts should I get next?


Have you built the Boyce Nike Ajax?

I built this BAH Ajax last year and it was an enjoyable project. My only complaint about the kit is that the quarter-turn engine retainer breaks VERY easily, so fortunately the kit came with some extra ones.
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Last edited by jeffyjeep : 02-13-2021 at 03:00 PM.
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  #27  
Old 02-14-2021, 12:28 AM
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Quote:
Originally Posted by ghrocketman
Not to mention BT-101 is not offered in the Estes catalog either.
I don't know if it is available from them or eRockets.


Really?

https://estesrockets.com/product/03...main-body-tube/

Took me about 30 seconds...
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  #28  
Old 02-14-2021, 07:49 AM
Scott_650 Scott_650 is offline
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Quote:
Originally Posted by jeffyjeep
Have you built the Boyce Nike Ajax?

I built this BAH Ajax last year and it was an enjoyable project. My only complaint about the kit is that the quarter-turn engine retainer breaks VERY easily, so fortunately the kit came with some extra ones.

Wow, that did turn out great! How much credit would give the Boyce parts versus your ability? Some printed stuff Iíve seen needed a fair amount of sanding and filling - your N-A looks really smooth and consistent.
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  #29  
Old 02-14-2021, 08:32 AM
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Thanks! I'd much rather have the old Estes kit and do a built-up fin job, but this Boyce stuff is AVAILABLE.

It's not quite as smooth as I wanted but it's not too bad. When I do the Pershing I'll try some experimentation with more aggressive abrasives on the extra fin that the kit is supposed to include.
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  #30  
Old 02-14-2021, 11:08 AM
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I've had mixed results sanding 3D printed plastic. I know that my Soyuz is made of thick ABS and I sanded for hours with very little gain. Towards the end I was using 80 grit on an orbital sander with moderate effect.
The fin cans I had printed up recently sand very easily with only 220 grit. I don't know what type of plastic they are made from.
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