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Originally Posted by Steve W
If you want some info on team 188 3 motor shift on the fly transmission that use dogs, go to http://www.team188.com and go to the ask tem 188 link. Ask if Tristan has the drawings of this years transmission and you might be able to see how we did ours. |
In fact, I'm attempting to write up something about the gearboxes...maybe in a little while. (I do have some drawings of the dogs, in Pro/E format--I suppose they could be exported to AutoCAD or whatever else is necessary. Let me know, or just wait a bit for a write-up.)
In any event, our dogs were similar to those of the TechnoKats (and others), but we elected to go with two-jawed dogs, rather than three (like the 'Kats), because we did not have CNC milling available to us (or even a precise rotary table). They did not use the central pin-and-slot arrangement; instead, they were grooved around the outside, and engaged a sliding plate which shifted between two positions.