[AR] Re: Congratulations to USC for Traveler IV launch

  • From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
  • To: Arocket List <arocket@xxxxxxxxxxxxx>
  • Date: Thu, 30 May 2019 16:34:52 -0400 (EDT)

On Thu, 30 May 2019, Robert Steinke wrote:

I would humbly suggest that you at least consider hydrogen peroxide monopropellant.  Past experience of several arocket groups has shown it to have a much shorter path to a fireable engine system than a LOX/anything biprop.

One big snag: make sure you have a source of rocket-grade peroxide (85% or better) -- somebody who will actually ship it to *you* in particular, not somebody (like FMC) who in practice ships only to big companies and big government agencies. Concentrating it yourself is a nuisance even for liter quantities, and becomes a major hassle if you start needing it in serious quantity.

Henry

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