02-12-2013, 09:23 AM
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Master Modeler
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Join Date: Jan 2009
Location: Fairbanks, Alaska
Posts: 6,507
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Quote:
Originally Posted by ghrocketman
The provided link has one that requires 6 D-cell batteries, it does not have a magneto. The batteries charge capacitors which then in turn provide a high current 'dump' to launch a rocket or whatever other purpose.
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I know--I was referring to a similar capacitive discharge system that would utilize a magneto instead of batteries, although there's nothing wrong with using a battery-powered unit like the one listed on eBay. A purpose-designed (for model rocketry) system might even include a solar panel to recharge the internal batteries, instead of a magneto. There have even been purely solar-powered systems that charged capacitors (Stuart Lodge included a schematic of one in one of his books).
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