 | | Re: Straight-driving car —Matthew Miller
| | | | (...) One idea would be to use treads and an adder-subtracter device: (URL). This is kind of bulky, but it will eliminate the problem with the motors being mismatched. It's pretty difficult to do this actually -- perfectly straight is a tall order. (25 years ago, 3-Sep-99, to lugnet.build)
| | | | | | | | | | Re: Straight-driving car —Mark Nelson
| | | | | (...) Yeah, it is, but in order for it to be able to correctly map the house, without making the whole map screwed up, it needs to be able to drive perfectly straight. (25 years ago, 3-Sep-99, to lugnet.build)
| | | | | | | | | | | | Re: Straight-driving car —Ian Warfield
| | | | | If you're interested, I have posted an LDraw file of such a robot that incorporates an adder-subtractor transmission into its chassis: (URL) need two differentials, but it works pretty well. The only complaint I have with it is that it's very slow (...) (25 years ago, 3-Sep-99, to lugnet.build)
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