Robotics : 17503


Robotics / 17503	17502 \| 17504

Subject:	Re: How much can you shrink a dual differential drive?
Newsgroups:	lugnet.technic, lugnet.robotics
Date:	Wed, 20 Mar 2002 12:48:47 GMT
Viewed:	239 times

In lugnet.technic, Ross Crawford writes: > In lugnet.technic, Miguel Agullo writes: > > > > Anybody can come up with a more compact design? Can anybody solve the dual > > speed issue? I could add studs in width (distance between wheels) and one > > stud in height to what already rises above the wheel axle (and maybe another > > stud below). Height is critical, but losing some length is even more so. > > Well, I think several people have delved into this, but here's my contribution > http://www.lugnet.com/~469/projects/addsub. It doesn't solve the "dual speed" > problem, but it's fairly small, and can be reduced further. > > ROSCO Thanks a lot, Rosco. I think I'm going to go with Stefano Prosseda's variation, which you also mention on your webpage http://www.brickshelf.com/cgi-bin/gallery.cgi?f=9341 I clearly didn't quite understand the concept and now see how my design had way too many gears only to accomplish something totally unnecessary: feeding input force to both axles of the diffrentials, instead of one axle and the diff body and using the other axle for the outputs.

Message has 1 Reply:

		R: How much can you shrink a dual differential drive?
(...) had (...) feeding (...) I made also a "one-way" version, it's built in the undercarriage of this: (URL) basically the one above, but with two gearboxes at the input ports. In this way, I think the best design it's undoubtly the Doug Carlson's (...) (23 years ago, 20-Apr-02, to lugnet.technic, lugnet.robotics)

Message is in Reply To:

		Re: How much can you shrink a dual differential drive?
(...) Well, I think several people have delved into this, but here's my contribution (URL) It doesn't solve the "dual speed" problem, but it's fairly small, and can be reduced further. ROSCO (23 years ago, 19-Mar-02, to lugnet.technic, lugnet.robotics)

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