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A solution to this problem is to turn the treads inside out, and put
them around one of the large spoked wheels from the RIS[1]. It's a near
perfect fit.
[1] The wheel I mean is the first on this page:
http://w3.one.net/~hughesj/technica/registry/wheel/wheel_4.php
Ran Talbott wrote:
>
> Another problem I encountered was that the treads had "taken a set" (much like
> bias-ply tires) while in storage: I keep them in snack-size Ziplocs, so they
> spent months sitting in much the same position as they would be mounted on a
> pair of sprockets. But I nested one inside the other, so the inner one had a
> concave bend to it. This caused a noticeable variation in speed as the motor
> labored to force that concave section around the sprockets. The solution was
> to mount the tread on a pair of sprockets, crank it around until the concave
> section was pretty well centered on one sprocket, and leave it in the sun for
> a while (an hour or two, as I recall). This left the tread much closer to
> round, and it ran *much* more smoothly.
>
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Message has 2 Replies:
 | | Re: Tread storage
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| "Trevyn Watson" <4tee2@rogers.com> wrote in message news:3D8D04E2.502090...ers.com... (...) Great Idea! Thanks for posting. -- Bob Fay (URL) (...) (22 years ago, 22-Sep-02, to lugnet.build, lugnet.technic)
| | | Re: Tread storage
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| (...) You can also put them between two of the large spoked wheels including the tire. That fits nicely, keeps them round and also makes for a nice large wheel. Jürgen (22 years ago, 22-Sep-02, to lugnet.build, lugnet.technic)
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Message is in Reply To:
| | Re: Help needed for hopper feed assembly.
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| (...) I'm missing something here: why not just let them fall off the end of the mechanism as the tread goes around the sprocket? (...) I built something similar for moving soccer balls, and discovered that it's not a great idea to try to put the (...) (22 years ago, 21-Sep-02, to lugnet.build, lugnet.technic)
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