[RCP57]

Come on, you've got this far so make up a tubeless tire! Think of all the money saved on liquid rubber. I've seen where guys have glued Clod tires to the rims and inserted valve stems. If you could put a metal ring in the bead area and cast around it you'd be set! Honestly speaking, how much harder would it be to cast a hollow tire and run a tube? Think about the tires Dad's Garage used on his haul truck. Tubes are available cheap about the size you would need. Probably better to cast solid rubber but how cool would it be to make your own pneumatic tires?