[AR] Re: "Direct" Hydrogen Peroxide engines ... Re: Issues with operating at low chamber pressure
- From: David Weinshenker <daze39@xxxxxxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Tue, 6 Sep 2016 07:56:01 -0700
On 09/06/2016 07:51 AM, John Dom wrote:
I do not recall a modern engine using a undiluted hydrazines mix as its
hypergolic fuel, next to HTP as oxidizer_ thereby eliminating the presence
of the cat pack complication. Your DMAZ and HAN come close to hydrazine;
hypergols too I reckon. Your calcs?
DMAZ isn't directly hypergolic (without a catalytst additive) with H2O2
but the mixture is not stable - it fizzes and slowly decomposes the
peroxide as might be expected (since it will be alkaline in solution).
-dave w
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