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By: Andy Brockway
New: 12-04-2006 01:01 PM
Updated: 12-04-2006 01:01 PM
Views: 1324 times
This is the updated dual sprocket adapter and new motor mount used with the dual motor set up from a couple of years ago.
Discussion
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12-04-2006 04:37 PM
Jaine Perotti
Re: pic: Dual sprocket Dewalt drive
Andy, are you hoping to use this on the 2007 robot? If so, how are you planning on accomplishing the shifting mechanism (this was sort of an unknown when we were playing around with this a few years ago)? I see that there is a little notch in the shifting mechanism... would you like to explain?
Anyways, looks nice, as always. I hope you don't mind if I drop in on a meeting or two over my Christmas vacation. 
12-04-2006 07:28 PM
fimmel
Re: pic: Dual sprocket Dewalt drive
the dewalts generally are shifted with a servo.
12-04-2006 11:27 PM
Goldeye
Re: pic: Dual sprocket Dewalt drive
How did you fit the second sprocket?
12-05-2006 08:05 AM
Andy Brockway
Re: pic: Dual sprocket Dewalt drive
We are not planning on using the DeWalts next year for the drive. I was playing with the shifter using a servo but pulled it off before I took the robot out in the street.
The sprockets are attached like a sandwich. The outboard sprocket is type A, no hub. The inboard sprocket is type B, with hub. The hub is machined to reduce the distance between the sprockets. Both are piloted on the adapter. Clearance holes are in the first sprocket and tapped holes in the second. Simply run two bolts from the outside.
Jaine - stop by anytime, we are using the same general schedule.
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