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Beagle 2 in HiRISE, Possible Targets
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post Apr 17 2009, 02:42 AM
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That mountain range looks awfully familiar...Indian Springs, Nevada area (NW of Vegas)?


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Cugel
post Apr 17 2009, 09:17 AM
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Yuma Proving Grounds in Arizona on July 31, 2008.
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Guest_PhilCo126_*
post Apr 17 2009, 09:49 AM
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Indeed Yuma Proving Grounds in Arizona near the Mexican border in the Sonora desert.
The Orion capsule (6500 Kg) parachute system uses two drogue chutes to stabilize the craft, then these two are cut away in order to deploy three pilot chutes, which each pull out one of the three main 35-meter diameter parachutes that are meant to ensure a safe landing speed. In compariosn, the Russian Soyuz (2800 Kg) only uses a single 35.5-meter white/orange main chute.
What was the size of Beagle 2 chute?
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MahFL
post Apr 17 2009, 02:00 PM
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Not orange !!!mars is red/orange. Indigo green is what you need with white circles.......er not frost pockets...... tongue.gif
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Guest_PhilCo126_*
post Apr 17 2009, 03:07 PM
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Beagle 2's main 28 panelled parachute had a diameter of 10 meters and had 11.4 meters rigging lines with a 30 meter strop underneath.
Initially a disc-gap design was choosen, with a triconal canopy as alternative. Due to the gas-bags speed restriction of 60 Km/Hr (kinetic energy) a ring-sail type of parachute was choosen...
( Source: The Guide to Beagle 2 - CT Pillinger Section 2 The Probe )
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Stuart H
post Apr 28 2009, 03:39 PM
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QUOTE (djellison @ Apr 15 2009, 03:30 PM) *
Something I learnt from Mark Sims (Beagle 2) last week. Beagle's parachute, which is the big clue I've been looking for in MOC and HiRISE imagery... was fairly transparent, and sort of beige.


Here is an image of the Main Parachute material

Attached Image


Stuart H
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djellison
post Apr 28 2009, 05:02 PM
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That really is rather transparent isn't it. Does it have much of a reflective kick to it, a shine of any sort?
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Stu
post Apr 28 2009, 05:07 PM
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Well, that explains it. They clearly used lace curtain material from an indoor market for the parachutes... tongue.gif


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nprev
post Apr 29 2009, 12:34 AM
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Wow. I'd characterize that as gossamer! Bet it was very, very light & of course strong, but I almost have to wonder how permeable it was and how that affected deceleration in the lower speed regime.


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Shaka
post Apr 29 2009, 05:14 AM
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Looks a lot like spinnaker ripstop to me, Nick. Maybe it will win the next America's Cup? cool.gif


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Stuart H
post Apr 29 2009, 11:03 AM
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QUOTE (Shaka @ Apr 29 2009, 06:14 AM) *
Looks a lot like spinnaker ripstop to me, Nick. Maybe it will win the next America's Cup? cool.gif


That is exactly correct.

But it passed every test we could do on Earth. However the big unknown is how it performed on Mars.


Stuart H
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Stuart H
post Apr 29 2009, 11:07 AM
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QUOTE (djellison @ Apr 28 2009, 06:02 PM) *
That really is rather transparent isn't it. Does it have much of a reflective kick to it, a shine of any sort?


Doug,

No it is rather dull on both sides. I have a sample of it at home. If we ever get to meet I'll bring it with me.

Stuart H
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Shaka
post Apr 29 2009, 08:23 PM
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What grade is it? Bainbridge Force 9?
That only comes in 'natural' color.
Next time dye it as a big Union Jack! cool.gif


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stevesliva
post Apr 29 2009, 08:55 PM
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You mean Beaufort? Someone's got pirates on the mind.
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Shaka
post Apr 29 2009, 09:24 PM
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Bainbridge is the Force 9 ripstop nylon manufacturer. Their 'heavy seas' weight. (and maybe hypersonic?)
I'm strictly a Dodgers fan. rolleyes.gif


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