[AR] Re: Math and specifics of hybrid nitrous.
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Thu, 14 Jan 2021 00:12:18 -0500 (EST)
On Wed, 13 Jan 2021, Doug Jones wrote:
Egad. I had refilled and used that bottle a dozen times. With about 8 kg
of N2O when full. Each time the liquid was loaded in with everything it
had dissolved at every step in the supply chain, then gave it up when
the vapor was tapped off.
The same thing can happen with LOX, in tanks where the output is vapor,
*or* a fair bit of the LOX boils off rather than being removed as liquid.
LOX is made from air, and the air in industrial areas is often a bit
dirty, and all kinds of things can dissolve in LOX at least a little bit.
You don't want to concentrate them too much.
And if you test with LOX out in the field, and just dump any leftover LOX
rather than hauling it home... don't always dump it in the same ditch!
Or there may eventually be a nasty surprise waiting for you there.
Henry
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