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#1
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pic: banebot p60 256:1 damage
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#2
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Re: pic: banebot p60 256:1 damage
Any background information on how the gearbox originally broke?
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#3
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Re: pic: banebot p60 256:1 damage
Quote:
256-1 is a pretty hefty ratio and it would not be too dificult to get a lot of torque on that. |
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#4
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Re: pic: banebot p60 256:1 damage
Do you have a picture of the application? Was there an additional ratio after this, to an arm (of what length and weight?)?
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#5
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Re: pic: banebot p60 256:1 damage
In this picture where you see the AM toughbox, there were (2) p60's and (2) sprockets up top working together with a 3:1 sprocket reduction. That original setup was more sedate than what the AM toughbox with a 5:1 reduction is seeing. It's much faster now and that's a good thing.
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#6
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Re: pic: banebot p60 256:1 damage
Quote:
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#7
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Re: pic: banebot p60 256:1 damage
We're replacing 2 drive cims w/ banebot cimulators and bb775's. Hopefully those will hold up for drive usage.
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#8
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Re: pic: banebot p60 256:1 damage
Are you using the FP? It would rock on a AM planetary on that toughbox.
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#9
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Re: pic: banebot p60 256:1 damage
I'm afraid of stalling/toasting FP's. Last year our AM Toughbox kicker mercilessly stalled a CIM and beat the tar out of it but it never quit. So I'll stick with Andy's Toughbox and CIM combo. Andymark never let us down.... good stuff.
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#10
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Re: pic: banebot p60 256:1 damage
i would not recommend using a FP in a situation like that, we did on our lift and toasted 4 before we got it marginally working, fisher prices really really don't like being stalled.
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#11
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Re: pic: banebot p60 256:1 damage
We have an FP on our lift, but with neutral buoyancy and a screw drive, the motor is never under stall.
I'm more worried about the BB transmission than I am the motor under that setup. |
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#12
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Re: pic: banebot p60 256:1 damage
It's a legitimate concern, but seriously, with the kind of reduction you need for an arm, you won't damage the FP at all.
The drivetrain is a much more stressful place than an arm for motors like the FP and RS-775. Seriously. |
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#13
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Re: pic: banebot p60 256:1 damage
Quote:
It depends a lot on how things are designed, now, doesn't it? After all, those FP motors are for Power Wheels... And what do they run on those Power Wheels, after all? |
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