[AR] Re: NASA test of quantum vacuum plasma thruster (was "Anyone heard of this?")
- From: Thomas McNeill <thomas.mcneill@xxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Sat, 2 Aug 2014 11:10:19 -0400
I noticed the same thing in the article.
On Sat, Aug 2, 2014 at 10:29 AM, William Blair
<dmarc-noreply@xxxxxxxxxxxxx> wrote:
> The abstract says they tested it in a vacuum chamber left at atmospheric
> pressure for some unspecified reason. I assume they did this to shield the
> thruster from any drafts which would have been misinterpreted as thrust, but
> why did they leave the vacuum chamber at atmospheric pressure? How could they
> then be certain that air movement caused by the differential heating of the
> air within the RF cavity hadn't caused the measured micro-thrust? I must be
> missing something because this seems to be too obvious of a potential flaw in
> the test.
>
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