[AR] Re: Hydrogen: Fireworks
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Wed, 1 Jul 2020 22:15:08 -0400 (EDT)
On Wed, 1 Jul 2020, Craig Fink wrote:
...The Hydrogen is extremely low mass, to be spread by
the speeding quadcopter(s) into a design to produce a wonderful display.
Ignited to produce a dazzling light and sound display.
Too bad hydrogen flames in air emit almost no visible light.
<
https://h2tools.org/bestpractices/hydrogen-flames> shows hydrogen and
propane flames side by side, by day and by night. In daylight you just
can't see the hydrogen flame at all. At night you can, but it's a dim
pale ghost of a thing beside the propane flame. (Not to mention propane
being much cheaper, easier to get, and simpler to work with...)
Henry
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