Subject:
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slide-click joints
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Newsgroups:
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lugnet.build.mecha
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Date:
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Wed, 7 Aug 2002 21:25:06 GMT
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Viewed:
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276 times
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Mechexperts:
I'm working on a secret [read:unworthy] project and have been trying to
think of achieving a certain type of motion without success. I'll try to
describe it: The motion/mechanism I'm looking for needs to be able to
achieve some sort of discrete-step motion linearly. The closest thing I've
seen in Lego is the shift mechansim in the transmissions of the big lego
technic cars. The part that actually engages the gears in the transmission
(and hence a clutch as well as a shift) is fitted over an axel joiner. This
allows the clutch/shift to move back and forth in discrete steps. I'm
looking to replicate this sort of motion on a small scale and I'm totally
stumped. The long pin with friction provides a little bit of what I'm
talking about but only one way...pull it the wrong way and the pin might
come out! Anyway...suggestion will be terrifically welcome. Thanks :)
Luke/Sonic
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Message has 2 Replies:
 | | Re: slide-click joints
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| i to have had a similar problem involving a scaled-down version of some of the big mech joints, and your problem has reminded me of a version i scrapped a few months ago. try getting some of the flex tubing that can be found in the anikins podracer (...) (22 years ago, 8-Aug-02, to lugnet.build.mecha)
| | | Re: slide-click joints
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| Luke, I'm stummped too! Although I'm just not sure at what your trying to accomplish. Maybe these two pix can help. I use a Cam Mechanism to achive linear motion. The end out put is a controlled recipricating motion. see the pully wheel behind GG's (...) (22 years ago, 8-Aug-02, to lugnet.build.mecha)
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