Quote:
Originally Posted by Resident 2B
MnM,
Reasonable solution. That should work very well, as long as the snow is not too deep.
The belt addresses both issues with its larger area.
I hope you realize I am only trying to help. I am a retired engineering VP with too much time on my hands. I really miss design reviews where we had a constructive, positive feedback only approach.
I wish you and the team complete success! I'll be in Daytona watching the cars turn left.
R2B
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Absolutely 
Part of the fun of this thing is to toss the concept up in the air and have it banged about. If it can "keep it's wings on" then there's some slim chance "it'll fly". Originally I had though to do some track like arrangement but I'm not sure how to go about it. So should I get to constructing it, I'm thinking there's little chance to getting it all the way right on try #1 (and no real drawback to partway wrong). We always learn best from the mistakes and so it may be better to get to making them quickly.

The old build a little, test a lot, build a little, test a ... philosophy. Thus start with something like tires but have the design allow enough flexibility up front to morph into what's likely to be needed.
ps - As an engineer I miss design reviews that were actual reviews and not a mere checklist of process & procedure confirmations.