08-08-2019, 01:04 PM
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Craftsman
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Join Date: Sep 2009
Posts: 114
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Quote:
Originally Posted by LeeR
Assuming you have not done much clustering with composite motors, I would recommend starting with a model rocket converted to a cluster mount. I’d try a Big Bertha, and put two 18mm mounts in it. Do some BP clusters first, then substitute the Q-Jets. Composites are more of a challenge.
Estes used to sell a Bertha-like rocket called the Ranger. It looked like the Bertha, but had 3x18mm mounts. One other differences was that the 18 inches of body tube included a payload section, where the Bertha is just one tube. But the Bertha would be something you can buy today, and could easily convert to a cluster.
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Interesting you bring that up. I was actually thinking about building a Big Bertha with 2x 18mm as well. It's def. on the list.
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