Interesting how you can read the same words and get different meanings.
I agree that wheels with cross ventilation without tires could be called solid wheels.
I also agree that wheels without cross ventilation with tires could be called solid wheels.
7.B.8 All motorcycle entries, including streamliners and sidescars, must use tires with an appropriate speed rating.
Sorta says you have to use tires, but not quite.
7.B.10 Wheels:
Wheels must have a minimum nominal diameter of 15 in. , except in the sidecar and streamliner classes. It is highly recommended that strict attention be paid to wheel alignment, wheel balance, spoke tension and tire run-out. Solid front wheels are not allowed except in the sidecar and streamliner classes if the wheel is fully enclosed by the body work. It is REQUIRED that front wheels be cross ventilated by an area equal to at least 25% of nominal rim circle area. Solid rear wheels are allowed. No wheel discs are permitted.
So yes, non-tire wheels are not specifically banned. Because of the wording about fully enclosed I would take that to mean non-cross ventilated, not without tire.
And yes, I do have the same complaint you do, the guys that write the rules tend to amend what is there instead of rewriting the rule to say what they mean.
Rewriting still works. Proposal:
7.B.10
Sentence three: Solid
non-cross ventilated front wheels are not allowed.
Sentence five: Solid
non-cross ventilated rear wheels are allowed.
New sentence:
All wheels must have tires. Refer to 7.B.8 7.B.8 Any tire deviation must be submitted to the Contest Board, with sufficient supporting data to justify a deviation, in writing 45 days prior to the meet.
This allows you to run a solid non tire wheel, rubber band or any thing else you think will work for the outside-the-box types.
