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Re: White Paper Discuss: Nothing But Dewalts
As to shifting wit a "Giant Servo," I don't know under what theory a Giant Servo would be legal under this year's rules or last year's rules.
But... ...be that as it may, if you shift with one Hitec 311 servo (i.e. a legal servo) per transmission in the manner shown in the white paper, the shifters have enough "guts" to shift. They sometimes need to have the gears moving to find the right mesh, but this has not been a problem. Eventually, the drivers move the joysticks, which allow the gears to mesh if a jam occurs.
As to shift on the fly, I have discussed elsewhere that this is possible. The transmissions don't sound like they like it, but they didn't fail either. We told our drivers to do it when they needed to and not to if they didn't. Also, as I've said before, the shifting can be enhanced with software if you monitor the speed of the output shaft and try to pick the right voltage to make the mesh go smoothly. It is not very complex code.
As to simultaneousness of shifting multiple transmissions, they shift close enough to at the same time that it didn't cause us any problems.
Some thoughts from THE Dr Joe... ...accept no substitutes ;-)
Joe J.
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Joseph M. Johnson, Ph.D., P.E.
Mentor
Team #88, TJ2
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