- 1 vote per person (just like in the real world).
- Make the ballot private (just like in the real world).
If your bike wins great. If it doesn't and you are bummed you built it for the wrong reason.
Simple. 
x 2
What a great booby prize ... if you get no votes you have to be bummed by the winner 
should be winner's decision to be the bummer or bummee