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Inspired by the last FLL theme, I figured out it would be nice to have wind
turbines as part of the layout... even if they actually might not produce
energy.
At first I thought of having one (micro) motor on each of them, but that would
get a bit too expensive and cumbersome. Then I thought of using some thread
between a motor hidden below and the turbine itself, but that proved to be
tricky and fragile. The final solution includes a 35cm long and 3mm thick
knitting needle that transfers the rotation from the bottom, which again gives
the possibility to run more than one turbine with a single motor. Some fine
tuning is still needed to get them to run smoothly though, but it is already
much better than in the beginning.
Picture:
Action video:
Cheers,
Matija
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Message has 4 Replies:
 | | Re: Wind turbines
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| "Matija Puzar" <puma+lugnet@esa.fer.hr> wrote in message news:JxMHnA.ID2@lugnet.com... (...) Very clean and ingenius method you have there! I'd like to see more of the inner workings when you get them posted. Thanks for sharing! -Rob (...) (16 years ago, 12-Mar-08, to lugnet.town)
| | | Re: Wind turbines
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| (...) That's a very cool (albeit non-LEGO) solution, Matija! I made a wind turbine as part of my display for the FLL event last December and ran into the same problem, Mine for a futuristic home, so I was able to get away with building a 9v motor (...) (16 years ago, 13-Mar-08, to lugnet.town, FTX)
| | | Re: Wind turbines
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| (...) Matija, Quite ingenious...and what's really neat is that you've got the timing on them done perfectly! (Anybody that's seen some in action can attest to this!) (16 years ago, 13-Mar-08, to lugnet.town, FTX)
| | | Re: Wind turbines
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| (...) Very nice! I built a prototype the same scale that used long rubber bands through the middle of the 2x2 rounds. After some running in, they ran very smoothly, and even allowed me to slew the base to simulate slewing of the nacelle. I haven't (...) (16 years ago, 14-Mar-08, to lugnet.town, FTX)
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