Subject:
|
Re: The Great Ball Contraption
|
Newsgroups:
|
lugnet.robotics
|
Date:
|
Fri, 21 Jan 2005 15:41:16 GMT
|
Viewed:
|
4772 times
|
| |
|
|
> > > keeping tension in the tread links is proving
> > > difficult. Any ideas on how to do that?
> >
> > If you need constant tension, one way to do it is tensioner. A third gear in
> > the chain, that can be moved in and out changing the shape (& therefore
> > length) of the triangular chain path. This doesn't have to be hand-tuned
> > either - use a idler gear on a small free-swingin arm that is held in tension
> > by a weight or rubber band.
>
> Heh, once again my over-engineering defeats me. I tried using two shock
> absorbers to push a gear into the hanging part of the chain, but they just
> torqued the gear so that the chain wouldn't move. I should always try the
> simplest approach from now on. Thanks for the tip.
I'm not exactly sure how many "teeth" = 1 stud, but I know it's not a whole number.
So, I've found if you can change the length by 1 or 2 studs, and add a few chain
links, you don't need to add a tensioner.
Steve
|
|
Message has 1 Reply:
Message is in Reply To:
 | | Re: The Great Ball Contraption
|
| (...) I don't know if it fits into the standard or not. I didn't plan on using it as my first device, anyway. I'm going to build a simple large hopper for the previous person's contraption to feed into mine, and then I'll have a feed chute or (...) (19 years ago, 21-Jan-05, to lugnet.robotics, FTX)
|
94 Messages in This Thread:
 
 
- Entire Thread on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
This Message and its Replies on One Page:
- Nested:
All | Brief | Compact | Dots
Linear:
All | Brief | Compact
|
|
|
|
