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Showing posts from October, 2026

The Biggest Fan

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 The Thrifty Rocketeer blog continues... This is going to be a departure from my usual comments and tips  directly related to rocketry .  But bear with me, there is a connection. We've all gone to club launches where there are several launch pads.  Most of these are controlled through a  panel launch controller, via a  weak current that runs out to the launch pad through a standard electrical extension power cord.  But when it gets to the launch rod, it is typical for a jumper/adapter, or clip lead to be used. This consists of a short power cord (lamp, toaster, fan or other power cord) with a male plug on one end to mate with the extension cord, and bare wires at the other end that typically have alligator clips or micro test clips that connect onto the igniter wires.   Most of us haven't given this much thought, as we're focused on our rocket and the motor's igniter and getting a good connection that shows continuity.  Someone else (an ...