12-12-2015, 12:54 PM
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Old Submariner
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Join Date: Jan 2009
Location: Home of Wayne & Garth
Posts: 7,760
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Come to think of it, I don't recall EVER using a commercial launch controller. I've always made my own.
I made this one c. 25 years ago and I still use it. It has (2) 9V batteries wired in parallel for the firing voltage. Every component is from Radio Shack (except the labels.)
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Never trust an atom. They make up everything.
4 out of 3 people struggle with math.
Chemically, alcohol IS a solution.
NAR# 94042
SAM# 0078
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