Subject:
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Re: 1st post?
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Newsgroups:
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lugnet.general
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Date:
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Thu, 1 Oct 1998 19:44:29 GMT
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Viewed:
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3914 times
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Once upon a time, "Richard" <nospam.richard.dee@virgin.net> wrote:
> Same, here, I'm no scientist, or that bright in matters technical......
> My designs had utilised a single axle to hold the thingie with the
> blades. I had been successful in getting it to turn with a minimum of
> 2x 2x16 plates x3 for blades. They managed to turn with a desk fan on
> minimum power, and drive a 90 degree angled axle. Adding a third shaft,
> at the bottom of the tower, driven by the 2nd, causes it to seize, even
> with the fan on full power. (A configuration like so: ¯|_ ) Subsequent
> redesigns involved gearing up, down and in-between, using multiple
> combinations/configurations, all to no or minimal avail. Increasing
> the size of the fans increases gravity-induced friction, and reduces
> the ability of the fans to turn. I had thought of using a turntable and
> having the fans horizontally to that. It would reduce one axle thingie,
> and possibly enable a bigger fan. Anyway, it will probably, ultimately,
> prove a complete waste of time, and wouldn't ever do anything worthwhile,
> but the fun is in the challenge!!
Do you have any of the plastic sails from the various sailboard sets
(also seen in Time Twisters and Ninja hang-gliders)? Maybe those
could be used to make lighter, wider blades.
Steve
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Message has 1 Reply:
 | | Re: 1st post?
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| (...) Negative, though I do have the "wings" from the Ninja hang-glider. (When did Feudal Japan ever use these??????) I have tried using axle/connector combination for the frame of paper- based sales, but had given up by that point (again) in order (...) (28 years ago, 2-Oct-98, to lugnet.general)
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Message is in Reply To:
| | Re: 1st post?
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| (...) Same, here, I'm no scientist, or that bright in matters technical...... My designs had utilised a single axle to hold the thingie with the blades. I had been successful in getting it to turn with a minimum of 2x 2x16 plates x3 for blades. (...) (28 years ago, 30-Sep-98, to lugnet.general)
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