Subject:
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Re: Strong gear assemble?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 22 Sep 2000 22:16:19 GMT
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Viewed:
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566 times
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In lugnet.robotics, Jason Stern writes:
> Thanks for the help! After sending out the email, I thought of a way to do it
> (using a worm and a 40t gear ;), so now it lifts its self. Its interesting to
> watch as it rises though, because even though its semetricle, it goes up on
> first one leg, then the other! Same when it goes back down. I do need to add
> one
> more worm gear, right now it lifts everything but the rcx (very close though),
> so it needs a little more torque. THen all i need to do ius add treads and im
> set to go!
>
> Jason
One trick I've used in the past to squeeze a little more torque into a small
package is to pair up multiple motors. Hook their power connectors together
(being careful to get the same polarity) and connect their drive shafts to do
the same job together. For example, have two worm gears turn the same large
gear, with each worm driven by a separate motor, both driven from a single RCX
motor output. You'll add a little weight, but you'll also bring a lot more
power to the task.
> P.S. I've got to get one (or two!) of those turntables!
The turntables are definitely very useful for a lot of things. But one thing
to be careful of is that the two halves of the turntable separate fairly
easily when subjected to non-angular forces. So be prepared for these
turntables to pop apart occasionally if you aren't careful. The only MOC that
I've ever used the turntable in (ironically, the same creation that uses two
motors in tandem) falls apart constantly at the turntable. You can always add
pins to hold stuff onto the turntable, but you can't do anything to strengthen
the bond within the turntable itself.
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Message is in Reply To:
 | | Re: Strong gear assemble?
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| Thanks for the help! After sending out the email, I thought of a way to do it (using a worm and a 40t gear ;), so now it lifts its self. Its interesting to watch as it rises though, because even though its semetricle, it goes up on first one leg, (...) (24 years ago, 21-Sep-00, to lugnet.robotics)
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