Quote:
Originally Posted by Borobo
what I would do is pair your window motors in a winch and pull down the arm via cable. that's what we're doing and it works great. I spend the first day of our regional perfecting the 3d 4 bar inverted ramp we had designed, only to run into problems. Instead I put together the winch arm design in a total of half an hour. It is super reliable and we can easily crush balls caught under the bridge.
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Were just using a single window motor. It all depends on your pulley size...but the force you can get from one of them is plenty. We probably have had one of the most consistent bridge pull downs at each of our regionals. Sometimes people dont think simply enough
