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Unread 24-01-2009, 16:47
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Re: pic: Team 1771 Teaser
After the awesome suction cup from last season, I'm sure 1771 has another innovative idea up their sleeve.
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Unread 24-01-2009, 17:01
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Re: pic: Team 1771 Teaser
It does look rather innovative.
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Unread 24-01-2009, 17:28
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Re: pic: Team 1771 Teaser
?what is it?
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Unread 24-01-2009, 17:47
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Re: pic: Team 1771 Teaser
Could it be an incomplete shooter wheel, cut to fit the profile of the balls?

Edit: That's a Shopsmith Mark V, isn't it? I haven't seen another one for a long time…
Last edited by usbcd36 : 24-01-2009 at 17:50.
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Unread 24-01-2009, 17:59
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Re: pic: Team 1771 Teaser
thats what i was thinking but i wasn't quite sure
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Unread 24-01-2009, 18:13
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Re: pic: Team 1771 Teaser
Quote:
Originally Posted by usbcd36 View Post
Could it be an incomplete shooter wheel, cut to fit the profile of the balls?

Edit: That's a Shopsmith Mark V, isn't it? I haven't seen another one for a long time…
Yes, Shopsmith Mark V
No, not anything to do with the shooter.
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Unread 24-01-2009, 18:28
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Re: pic: Team 1771 Teaser
Is it the duct portion of a ducted fan? You guys seem to know what's up when it comes to moving air.
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Unread 24-01-2009, 18:29
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Re: pic: Team 1771 Teaser
a reaction wheel?
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Unread 24-01-2009, 19:03
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Re: pic: Team 1771 Teaser
wheel for a belt system, contoured to funnels balls more?
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Unread 24-01-2009, 20:50
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Re: pic: Team 1771 Teaser
Quote:
Originally Posted by mrnoble View Post
a reaction wheel?
Almost certainly not, IMHO. That looks like it's made of a light foam (like insulation). In our testing/equations for reaction wheel, there's no way you'd have enough weight from that.

Quote:
Originally Posted by iCurtis View Post
Is it the duct portion of a ducted fan? You guys seem to know what's up when it comes to moving air.
Maybe- it doesn't look hollowed out there, but that's not to say it won't be. My guess is a fitted shooter drive wheel, though.
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Unread 24-01-2009, 22:52
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Re: pic: Team 1771 Teaser
I think some epoxy and fiberglass cloth will be applied to this. Then maybe it gets hollowed out. Still don't have a clue what the result will be used for though.
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Unread 30-01-2009, 21:57
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Re: pic: Team 1771 Teaser
whats that?
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Unread 31-01-2009, 03:58
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Re: pic: Team 1771 Teaser
Whatever it is, I want one.
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Unread 31-01-2009, 07:30
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Re: pic: Team 1771 Teaser
Quote:
Originally Posted by Ivan Helmrich View Post
I think some epoxy and fiberglass cloth will be applied to this. Then maybe it gets hollowed out. Still don't have a clue what the result will be used for though.
Right on the money! After removing the foam, lots of sanding and painting, it looks pretty good. Now we just have to mount the motors and propellers, and viola! A shrouded propeller! According to a paper written by NACA (the predecessor to NASA) in 1958, it should increase thrust and efficiency by 50% to 75%

Now fitting these things on the bot and within the weight budget, that may be a challenge....
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