Subject:
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Re: I need a Propeller
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Newsgroups:
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lugnet.robotics
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Date:
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Tue, 23 Nov 1999 22:54:43 GMT
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Viewed:
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486 times
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There is a 3 inch prop in Set #8412, but it does not move a lot of air. I
was going to send a picture to you, but I could not get through your
"spamtrap".
--
Bob Fay
rfay@we.mediaone.net
The Shop
http://www.geocities.com/Heartland/Bluffs/7900/
"Stefan Elsner" <spamtrap02@lowpoly.com> wrote in message
news:FLMIwr.6DA@lugnet.com...
> Hi,
>
> for a MindStorms project I need a (working) propeller. I plan to drive it
> with two of the old-style 9V motors. It should move as much air as • possible.
> I estimate that the diameter should be somewhere between three and four
> inches. I wonder what the best way to go is:
>
> 1) I could use an axle with two angled plates. This is most likely the • worst
> approach as the studs and holes will result in lot of air friction.
>
> 2) The three bladed propeller from the 8855 plane will be probably best. • It
> will be hard to find though. Anybody going to part from it? :-)
>
> 3) The big Znap wheels could do it. I haven't had one in my hands so it's
> hard to say.
>
> 4) I could try some of the more specialized parts for the blades like
> Insectoid wings.
>
> 5) The Mini Heli 8215 has a propeller but I doubt it will move much air.
> Maybe two of these...
>
> Has anybody tried this before?
>
> Thanks,
> Stefan
>
>
>
>
>
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Message has 1 Reply:
 | | Re: I need a Propeller
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| Hi Bob, << There is a 3 inch prop in Set #8412, but it does not move a lot of air>> Do you think it's the same as in #8215? <<I was going to send a picture to you, but I could not get through your "spamtrap".>> Sorry. Actually, it's a valid e-mail (...) (25 years ago, 23-Nov-99, to lugnet.robotics)
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Message is in Reply To:
| | I need a Propeller
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| Hi, for a MindStorms project I need a (working) propeller. I plan to drive it with two of the old-style 9V motors. It should move as much air as possible. I estimate that the diameter should be somewhere between three and four inches. I wonder what (...) (25 years ago, 23-Nov-99, to lugnet.robotics)
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