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#16
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Re: Team #405
Wow, that looks really nice.
Good luck! |
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#17
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Re: Team #405
you have some messy electrical work >.<
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#18
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Re: Team #405
Whats the turning radius of those wheels? Seems short imo...Then again, it looks very fast. Good luck.
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#19
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Re: Team #405
For your stationary turning issues, I'd like to point you to this thread:
http://www.chiefdelphi.com/forums/sh...hlight=current Note the posts by Dave Lavery on the total current available to the servos. It's only 1 amp . When you're stationary, you have evidence that your servos have trouble manipulating the steering. I'd be weary about this, as the mechanical stresses combined with current pull could be the cause of servos burning out. I'd have plenty of spares if I were you.Also, I'd recommend putting some sort of support going from the main drive base to right next to the front wheels, or enclose the whole front. At the moment, a high speed off-centered frontal crash will knock your steering out of alignment, regardless of where you mount a front bumper to the current design. Otherwise, this looks like a fantastic drive train! |
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#20
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Re: Team #405
dang, this suckers a tank, 4 cims on 1 axle, holy crap lol, got some serious torquage goin on here
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#21
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Re: Team #405
Thanks for all the comments, we switched to a globe motor on the front with a pot and now have around 55 degrees of steering lock (on the inside wheel, it's ackerman so around 40 deg on the outside) and no issues with power. The wheels won't be exposed, we're going to run bumpers all the way around and nothing is going to be attached to the front or rear end so that they aren't stressed in an accident and are easy to remove for repairs if need be. The robot is pretty much finished now (except for the bumpers), I have a couple of pics of it, see below:
![]() Total weight as shown is 84lbs. We figure we might get it up to 90lbs with bumper mounting brackets and the cage around the front and rear wheels, so still 30lbs under weight. Last edited by bobzdar : 09-02-2008 at 12:18. |
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