 | | Re: How to get non-circular movements?
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Hello, A very simple way to produce an elliptical motion is to start with a circular motion and use a lever system to increase the travel on one axis but not the other. Here are a couple of links to some walkers I've made as illustrations: (URL) (...) (20 years ago, 25-Aug-04, to lugnet.technic)
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| | Re: Review: 8436 Truck
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(...) Heheheh. When I wrote the review 1999 was nostalgic enough for me, even though I do have two sets (8855,56) from 1990s. I must be in my second life. :) Keith (20 years ago, 25-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) as used in the legs of the [LEGOSet 9754] I have reproduced a basic version: (URL) ROSCO (20 years ago, 24-Aug-04, to lugnet.technic, FTX)
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| | Re: How to get non-circular movements?
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"Joe Strout" <joe@strout.net> wrote in message news:I2x55x.Dt6@lugnet.com... (...) to my (...) this (...) some multiple joins allow to create what you want there are many examples how to create sophisticated moves using joined vectors (for me they (...) (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) In a stange tie in, I remember seeing a elliptical lathe on an episode of the New Yankee Workshop (a PBS woodworking show). A quick google search turned (no pun intended) up the following: (URL) (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) question at any of them, as far as I can see. Could you elaborate on how this applies? Thanks, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(URL) regards pixel (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) Ah, I see. The pivot point must be free to slide on the arm (er, vice versa) as well. I think that's the key bit I was missing last night. (...) devices in my Technic models. Best, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: How to get non-circular movements?
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(...) (rather than operated by hand) will be nontrivial. But should be possible. Thanks for the pointer! Best, - Joe (20 years ago, 23-Aug-04, to lugnet.technic)
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| | Re: pneumatic help
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(...) Hi Vineet, I'll see if I can help. Your desciption "control four pneumatic pistons individually, and simultaneously having them controlled by one master switch" does not seem to match the second diagram. The primary reason is that you have (...) (20 years ago, 23-Aug-04, to lugnet.technic)
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