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Unread 12-01-2010, 14:43
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toughbox second motor other than CIM

Can we get a gearbox or some adapter to mount a motor other than a CIM into the toughbox gearbox and use it in conjunction with one CIM. Our design this year may be running out of CIMs. Ya, I know 5 should be enough but we need speed in some of our mechanisms.
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Unread 12-01-2010, 14:47
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Re: toughbox second motor other than CIM

AM Planetary, http://andymark.biz/am-0002.html, will take an FP and make it mount like a CIM.
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Unread 12-01-2010, 14:47
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Re: toughbox second motor other than CIM

Yes you can.
www.AndyMark.com is your friend.

http://www.andymark.biz/am-0002.html
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Unread 12-01-2010, 15:29
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Re: toughbox second motor other than CIM

Is it worth doing? How much additional power are we buying for $100?
Thanks
Bruce
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Unread 12-01-2010, 15:35
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by Bruceb View Post
Is it worth doing? How much additional power are we buying for $100?
Thanks
Bruce
Very little, and the FP motors have a tendency to overheat when used in drive if you spend a lot of time stalled. It would be a better investment to buy two more CIM's to use on the toughboxes.
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Unread 12-01-2010, 15:36
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by Bruceb View Post
Is it worth doing? How much additional power are we buying for $100?
Thanks
Bruce
By quickly using the JVN Design Calculator, I can show that using 2 motors per gearbox, with 8" kit "sticky" wheels, will give me 120 lbs pushing force, at around 59 amps/motor. With 1 motor per gearbox, I get 111 lbs pushing force, at around 115 amps/motor.
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Unread 12-01-2010, 15:39
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Re: toughbox second motor other than CIM

Yes it is probably worth it... it was a noticeable increase for us.
We added a FP to 2 cims on our 2007 robot

If you feel you need the cims other places, then the andy mark planetary would be a good option
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Unread 12-01-2010, 16:28
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by Bruceb View Post
Is it worth doing? How much additional power are we buying for $100?
Quote:
Originally Posted by CraigHickman View Post
Very little, and the FP motors have a tendency to overheat when used in drive if you spend a lot of time stalled. It would be a better investment to buy two more CIM's to use on the toughboxes.
I agree with Craig. For a more detailed explanation look here.
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Unread 12-01-2010, 17:21
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by Richard View Post
I agree with Craig. For a more detailed explanation look here.
I was hunting for that thread. Thanks for bringing it back, it's one of the better ones for motor choices.
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Unread 12-01-2010, 17:22
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by CraigHickman View Post
Very little, and the FP motors have a tendency to overheat when used in drive if you spend a lot of time stalled. It would be a better investment to buy two more CIM's to use on the toughboxes.
Craig's advice is sound.

Now, if you still want to add a second motor to a Toughbox, it is way better to add a second CIM for $28 from AndyMark, and an $8 pinion from AndyMark.
Grand total $36 and you get twice the power out per transmission.

The only drawback might be the weight.
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Unread 12-01-2010, 19:18
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Re: toughbox second motor other than CIM

I have a quick question regarding the toughbox. For our toughbox, the given spacer/key for the main shaft don't work together. is this the case for anyone else?
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Unread 12-01-2010, 19:44
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Re: toughbox second motor other than CIM

Quote:
Originally Posted by Collin Fultz View Post
By quickly using the JVN Design Calculator, I can show that using 2 motors per gearbox, with 8" kit "sticky" wheels, will give me 120 lbs pushing force, at around 59 amps/motor. With 1 motor per gearbox, I get 111 lbs pushing force, at around 115 amps/motor.
115 Amps to a CIM is way too much, almost at stall.
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