Subject:
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Re: offtopicy sort of thing
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Newsgroups:
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lugnet.robotics.rcx.nqc
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Date:
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Thu, 13 Jan 2000 22:18:56 GMT
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Viewed:
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1592 times
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I think that's a really good idea. I tried it, and found out that the motor
recieving power spins slower than the motor you spin. This is about 4:3. This
could be a really good speed reduction technique that doesn't use gears, or you
could power something using a crank that's geared up. I don't think that's
offtopic at all.
Joshua
Leonard Stiles wrote:
> Ok, so it's nothing to do with nqc and not much to do with mindstorms, but
> here's a nice bit of elementary physics I came across while playing with my
> RIS:
>
> Take two 9v dc lego motors like the ones you got with the RCX. Stick something,
> a wheel or a cog, on the axle of each motor. Something the motor can be turned
> with; it's best to gear up a bit so that you get a sufficiently high speed on
> the motor axle. Don't connect either motor to the RCX, and make sure the wheels
> on the separate motors aren't touching in any way, but interconnect their
> inputs with a lego wire thingy. Now turn one motor axle manually and watch what
> happens on the other.
>
> Good eh?:-)
>
> I 'll leave you to work out what's happening for yourselves..
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Message has 2 Replies:
 | | Re: offtopicy sort of thing
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| According to that elementary physics, you are converting power into heat as part of this process. Usually, when downgearing an engine, the intention is to have more power at the slower speed (for better climbing, lifting, etc.). This will not be the (...) (25 years ago, 14-Jan-00, to lugnet.robotics.rcx.nqc)
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Message is in Reply To:
| | offtopicy sort of thing
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| Ok, so it's nothing to do with nqc and not much to do with mindstorms, but here's a nice bit of elementary physics I came across while playing with my RIS: Take two 9v dc lego motors like the ones you got with the RCX. Stick something, a wheel or a (...) (25 years ago, 12-Jan-00, to lugnet.robotics.rcx.nqc)
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