Quote:
Originally Posted by Pavan
He has a "tank crab" set up right now.
EDIT: How do you plan on controlling this. Are you going to use the "tank crab" where you will have two joysticks or one joystick with some really sick programming? The picture is kind of misleading me. If you decide to link one side of your robot to the other via chain than you will save weight if you don't want to do akerman steering. Anyways let me rephrase my question, what exactly will your crab, when it is all said and done, be able to do?
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The main reason there are 2 motors controlling it is because you cant get a chain to wrap around the transmissions... It is really tight and is worrisome to me. Control hadn't really been thought of, although, my friend Gustavo (software guy on 108) is really good and I am sure he'd love to get it to work with a mouse or something. In my original design, the steering chains cross (like an X) which allows the crabs to be turned tangentially, as well as a standard crab drive. I guess there is no reason not to rerun the chains in that way in this design, other than there would be even
less wrap around the steering motors. I guess a tensioning system could effectively add wrap and tensioning at once (once again laziness).
Tensioning in general hasn't really been considered, but I knew it would come up when I posted this, so right before I did, I tried to add slots to some of the holes. But for anyone who has ever used ProE, hitting the re-gen button on a dependent assembly does so with caution, needless to say, the entire thing crashed and I had to close without saving. Alas, some well placed slots and some empty sprockets (like the ones on 118) should solve the problems.