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Kevin Beeden (captain_paranoia) - BPL Forum Member

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All Forum Posts by Kevin Beeden

	Post	Forum » Thread
	re: non-incandescent exhaust gases > My simplistic approximation that clear air doesn't radiant significant heat IS true for clear skies in my climate but what about in stove exahust gases which are much hotter AND wetter tha...	In Make Your Own Gear » Fins on a Rockstar can January 18, 11:12am
	good stuff! Nice work, Nick. One way to check that the stove isn't burning hotter (which is a possibility) is to measure a fixed fuel volume, and measure boil time and total burn time. If the total b...	In Make Your Own Gear » Paint your pot black and add fins. It works! January 18, 10:58am
	re: radiation into deep space The atmosphere is thin, but it is there, and it radiates back at us. Take an IR thermometer and point it at the sky. It won't read 3K, which is the usual assumption for a black body radiating...	In Make Your Own Gear » Fins on a Rockstar can January 17, 11:43am
	re: need for good thermal contact It's certainly true that good thermal contact is necessary in order to ensure that the HX fins couple any energy they pick up to the pan, and thence to the pan contents. But, given that David ...	In Make Your Own Gear » Fins on a Rockstar can January 17, 10:51am
	re: An Alternative vane configuration > Also, if by their extenstion below the pot or their outer diameter, they may also serve as a windscreen to the pot / fins. Yes, that was part of my thinking too. I'm now part way thr...	In Make Your Own Gear » Fins on a Rockstar can January 17, 6:12am
	An alternative vane configuration Here's another possible vane configuration, which provides a 'windshield' to the heat exchanger 'tunnels'. It's from one of the 'JetBoil scribbles' I mentioned earl...	In Make Your Own Gear » Fins on a Rockstar can January 16, 11:23am
	re: reducing annular air speed > You're probably right that reducing excess ambient air flow coming up between the windscreen and pot maybe have helped by keeping that annulular air space hotter. In which case, probably b...	In Make Your Own Gear » Fins on a Rockstar can January 12, 11:05am
	re: annealing > For just a couple pieces of roof flashing, rolling is the same as drawing only limited to a couple dimensions, I would run them over a stove burner till they start browning. I agree with Jo...	In Make Your Own Gear » Fins on a Rockstar can January 12, 10:56am
	re: soda can annealing > Are soda cans not annealed? Wooh, no! Most of the stuff you buy that's finished product won't be annealed; it will be work hardened as per the last machining step. Unless it speci...	In Make Your Own Gear » Fins on a Rockstar can January 12, 10:49am
	re: vortex When the JetBoil came out, I scribbled a few alternative HX ideas. One of which was spiral fins around the outside of the pan....	In Make Your Own Gear » Fins on a Rockstar can January 11, 12:20pm

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