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Hey Cd,
I would FIRST like to thank Adam Heard and Ivan Helmrich for providing the information and tools needed to make the gearbox.
Well, a local team nearby was using the banebot planetary gearboxes and a few weeks ago the internals fell apart. The teeth on the inside stripped and broke. It was kewl to see the mountain of powder produced. So this gearbox uses KOP Gears found in the Black KOP FisherPrice Transmission to accomplish a reduction of 12:1.
In this image:
-12:1 Reduction (going to reduced to 24:1)
-.500 polycarbonate plates (scrap plastic that we have laying around)
-1/2 bearings with 3/8ths Hex Bushings
-3/8ths shafts - Output
-Has the option for two FP's (one in Pic)
-Gears: 19 to 72, 25 to 79.
-Weight 1.25 lbs
Pics will be up soon aka hopefully tomorrow.
-RC
Discussion
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14-08-2009 00:19
Brandon Holley
Re: pic: FP Gearbox (KOP Gears)
nice job! We made the same gearbox this year with 2 FPs to run our elevator system to our shooter. We managed to get away with 1/8" aluminum sideplates and delrin standoffs, making the overall weight < 1 lb. You mentioned that the .5" polycarb was laying around, but i think you could definitely get away with something lighter/smaller....nice render though!!
Brando
14-08-2009 00:43
Akash Rastogi
Re: pic: FP Gearbox (KOP Gears)
RC if you get time, post a link to the actual pictures. It turned out nicely.
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