I think there should be a minimum weight. That's the way it is in Air Racing, everyone tries hard to get it DOWN to weight. In the Biplane Class it's 600 lbs with 5 gallons of gas, normal oil and pilot must weigh 160 lbs. Usually there is a whole lot of dieting going on in August and early September.
Make it 9 pounds for 2M, 6 lbs for less than 2M.

Of course the idea that AMA Skill Class categories conform to an FAI rule is completely ridiculous. It is only appropriate for FAI.

Chris...