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pic: A little CAD practice
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Re: pic: A little CAD practice
why make the wheel base so short?
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Re: pic: A little CAD practice
Do you have any tensioning plans on the outside wheels? I can't really tell, but that is important. It looks very nice, everyone always gets better after the season is over, keep it up.
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Re: pic: A little CAD practice
Matt,
Nice drawing. Now time to add some holes for mounting bumpers and add bumper supports between the wheels. |
Re: pic: A little CAD practice
Nice Chassis drawing. I am also the leader of CAD on my team. I have seen an improvement on my skills from start of the season to the end. Now, just add more to it. the wheel size is interesting. I have hardly seen small wheels like that on the past robots, but it seems to be a good idea. Keep going.
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Re: pic: A little CAD practice
Since you are already making bearing plates, it wouldn't be too difficult to slot their mounts in the frame rails and make a true "West Coast Drive" tensioner. Loosen mounting hardware, slide bearing block until chain/belt is tight, re-tighten (works even better with cam bolts or some sort of lead-screw to help keep the block in place once tensioned).
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Re: pic: A little CAD practice
My team has never made a chassis that has the wheels on the other side of the frame. I was wondering how you do this? Is it using a hex shaft or what? Could you possibly explain all of this or maybe put up a CAD design to download or even a close up picture. That way i could see how it works and maybe use a drivetrain like this in the future.
Thanks :) |
Re: pic: A little CAD practice
There are a lot of great tensioning systems you could use. Obviously the easiest set-up would be just adding the kop tensioning system. But interesting systems are also around you could look at cam tension systems for the outside wheels. Making the center wheel direct driven would allow only the outside wheels that would need tensioning. I came up with a lot of crazy systems that would all yield the same result. My favorite one used surgical tubing to move the outside wheels farther out. In the end there is no true answer but a endless supply of them. You have all summer, I would say to experiment a little and find a unique solution that is your design. Keep it up.
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Do you still want up close pictures? |
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And is the only thing holding the shaft straight the brace on the side of the tubing + the tube? |
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