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Originally Posted by Hieb
I haven't put your numbers in, but I designed a spreadsheet based off of JVNs' motor calc sheets in the whitepapers, and from that I get an approximate speed of of 6.5 ft/sec for a full weight (120 lb) robot using the transimission as given. While the 8.15 ft/sec may be accurate with no load, you have to account for all of your weight as well.
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I assume your figuring on 6" wheels?
I think our assy weighs around 40lbs
I'd like to see what you're using from John's spreadsheet that adds the loss in weight.