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#1
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pic: SLOW AND STEADY/FAST AND FURIOUS
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#2
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Re: pic: SLOW & STEADY/FAST & FURIOUS
mmm nope. i see wires outta the well greased tranny case tho. sensors maybe since the wire is skinny?
* i had a longer post but internet froze on me! ![]() |
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#3
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
I'd say the other motors (since you say they are there) are on the opposite side of the tranny from the chip motors. There are wires from a speed controller going that way anyways and no extra wires for motors on the side of the chips.
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#4
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Nice Tranny! looks like itll be very powerful but i dont see the fast part
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#5
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Hmmmmm I bet I know where it is
Buuuut that'd be no fun just telling you guys and not hearing some more of your guesses...haha! ![]() |
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#6
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Quote:
maybe they have it on their other side of the robot? on the other pulley for the treads?. if the motors run at the same speed, it would make it harder to 'derail' the treads that way i think. |
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#7
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Quote:
Quote:
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#8
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Are those the banner sensors in the tops of the trannies?
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#9
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Nice tranny, and I think the CIM motors are stacked on top of eachother...
I love the style shifting you guys' use...looks familiar ![]() |
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#10
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
I am not sure if this is what you are talking about, but I do see the reflection of the CIMS in the lexan?
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#11
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
They are the hall effects sensors.
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#12
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
I'll give you a hint. You can't really see it because of all the grease on the covers, and the reflection from the camera flash, but there is a 8mm spider coupler on the end of the CIM motor you can see, and there is a 4" gap between the top and bottom of the tracks. The CIM motor is only about 2.5" DIA.
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#13
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
Well, I honestly don't have a good guess as to where those second motors are, although if I had to guess I would say that they are stacked on top of one another.
What do you mean when you say "tracks"? Are the second motors necessarily CIMs? Maybe the second set of motors are located underneath the CIMs, but are harder to see because they are a different kind and they are smaller. I am still not sure about this though, because I do not see any second set of wires going in that direction from the speed controllers, unless the wires are fed underneath somehow and are out of sight. I have some other questions about this: How fast is your robot in high gear and low gear? Do you use a "dog" shifting method or do you actually move the gears? I like the Technokat inspired shifter. Looks nice and compact. Good job. -- Jaine Oh and one other question, although slightly offtopic: what are you using that big pneumatic cylinder for? |
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#14
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Re: pic: SLOW AND STEADY/FAST AND FURIOUS
It uses a technokat style dog to shift. In low it goes about 3.3 ft/sec and will push two large guys at a time on carpet. In high it goes about 10 ft/sec. (Actual not theoretical) Each trannsmissions weighs only 8.5 lbs including the motors and shifter. And these trannsmissions include all the gearduction stages for the drive train so there are no chains and sprockets in our drive train. That big cylinder isn't actually that big, it just looks that way because its really close to the camera.
And the motors arn't stacked since those trannies are only 3" tall. And the other motor is a CIM motor. |
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