TEGA - Round 2 |
TEGA - Round 2 |
Jul 19 2008, 12:04 PM
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#1
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Founder Group: Chairman Posts: 14448 Joined: 8-February 04 Member No.: 1 |
I challenge you not to look at this and make a ping/spring/boing happy sort of a noise.
http://phoenix.lpl.arizona.edu/images/gallery/lg_14223.jpg |
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Jul 28 2008, 03:11 AM
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#2
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Senior Member Group: Members Posts: 4260 Joined: 17-January 05 Member No.: 152 |
As far as heating of the scoop goes, does anyone know if there are heaters in the scoop joints or rasp mechanism? If so, could significant heat conduct through the scoop walls to the back of the scoop where the rasp shavings go? I don't suppose there's too much they could do about that, if the heating is required...
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Jul 28 2008, 09:29 AM
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#3
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Senior Member Group: Members Posts: 1465 Joined: 9-February 04 From: Columbus OH USA Member No.: 13 |
As far as heating of the scoop goes, does anyone know if there are heaters in the scoop joints or rasp mechanism? If so, could significant heat conduct through the scoop walls to the back of the scoop where the rasp shavings go? Trying to understand how the sample is collected, here's a diagram for your consideration : I think the rasp is designed to collect soil and deliver it by the red-arrow route to the scoop proper (by a series of moves to get it around the baffles). Then, as the recent press reports state, any remaining "tailings" are scraped off the surface by the main blade (blue arrow). The recent image shows soil adhering to the back of the scoop as indicated. Is that right? If so, I wonder what route the soil in this case took primarily. Did it get around the baffles only to stick to the back of the scoop? Or did it primarily come from the tailings via the main blade? Does the operation of the rasp motor heat up the surrounding structure appreciably? The rasp motor is right behind where the sample ended up, so maybe that wall of the scoop gets somewhat warm and the soil later froze to it when the heat dissipated? -------------------- |
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