10-19-2017, 06:57 PM
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Master Modeler
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Join Date: Sep 2015
Posts: 624
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I launch my Mammoth and Trajector off a 5 ft , 1/4 in diameter rod using cellulose insulation ("dog barf") as wadding. I had planned on building my own controller using a rechargeable ni-cad battery but I found a great deal on a PSII Launch Controller - it works very well on Estes 29mm black powder motors.
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