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Originally Posted by pwnageNick
Well in this specific situation the top half of the chain runs inside the tube while the bottom half of the chain runs under the tube.
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Ohh, I had not noticed that. That's a very interesting concept; I'd like to see somebody try that out.
Master links with what looks to be #25 chain? That's living dangerously.
Quote:
I am working on a variation right now with smaller wheels, and a 2" height tube, and am attempting to have the entire chain run inside the tube. The challenge there is you have to choose between:
(1) Motor clump on the corner wheels which for everything to fit means that your wheel is pushed further in from the front/back of the chassis so the CIM can sit in front
(2) Motor clump in the middle and your tube gets wider to accommodate both sprockets on the wheel shaft and the gear.
I keep going back and forth on which I'd prefer. May end up designing both and seeing how they both look as an end result.
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Your gearbox and sprocket integration is quite nice, and it would be very impressive to see a design with all the power transmission components enclosed in 2x1" or 2x1.5" tubing. Can't say for sure, but I imagine for your purposes, tweaking your gearbox to make option (1) work would be pretty simple. You might even be able to just rotate the two motors forward around the driven gear and keep those corner wheels out near the edge of the frame.