[AR] Re: Up aerospace Adept SR-1 video...
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Mon, 17 Dec 2018 13:40:10 -0500 (EST)
On Mon, 17 Dec 2018, William Claybaugh wrote:
DARPA has of late been spending on hypersonic parachutes, some of which
reports are public, if one has that application.
Apart from the nuclear application, some planetary missions run into this.
In particular, my understanding is that all Western Mars landers to date
use parachutes derived from the ones developed for Viking -- Mars's
atmosphere is so thin that initial deployment is inevitably supersonic.
Henry
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