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Re: Team 840 hurdles-VIDEO
You can try wrapping zap ties around the wheels at one end to reduce the lateral co-efficient of friction. (Just realized that isn't the best description... there are two ways to wrap zap ties around the wheel. I mean the "short way" through the hole between the spokes, not about the circumference.) It isn't quite the same as omni wheels, but it might help, especially if you can move your CG (move the battery) a bit to put more of your mass over the non-zap tied wheels.
It doesn't do a lot... but maybe you only need a little.
Also don't be afraid to consider changing to omnis now. Order them up from AndyMark and throw them on Thursday morning at your competition. If you aren't in the first week of competitions you can even build an "upgrade part" for mounting them (since you are the rules guy, I won't repeat all the fix-it window stuff here)... or just buy something from AM. You'll find that omnis make an indescribably HUGE difference, and that your competition will be much more fun if you can turn easily.
And it is more than okay to say to your mentor, "Hey... you were right. But thanks for letting us find out for ourselves. Now can you help us solve the mess we got into?"
And sorry for asking about the size, but I am glad to know it has been checked.
Jason
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