oh yes those air plane tires have been very very throughly thought out... your kinda new to this lsr thing but believe me its a been there done that kinda thing.... those digger tires that Willie loves are originally air plane tires... Oh yeah... 10 ply's, really cool... I've even got some 14 ply 215 knot rated skins.... hey go ahead and pick that 10 plyer up...ohhh... yep pretty heavy ain't it.... probably ok for a 190mph skip but the weight will throw itself apart on the long course... the plys are there to keep the thing from popping when the bird is slammed to the deck.... we need thinner skin with less ply's to shed heat but a really really stiff bead to keep it from lifting from the rim
kent
The 18" dia tire is 12lb unshaved. 300lb of weight deflects it less than 1/2" uninflated. Whether it would hold up at 300mph, I do not know. I'm not a mathematician, but looks like about 8,000g's of force will be applied to it at 300mph at the circumference. Assuming my math is close, that means the tire loading is not even significant, it's all RPM. So testing could be done unloaded. Mount and pressurize, then put it on an engine stand with blast shielding, take it up to 6000rpm which should be 330mph (doing the math in my head). If it lets loose, it will make for great YouTube footage. If it doesn't? I'd trust it.
The Phoenix ran aircraft tires up to 280mph successfully under huge loads if my info is right, and it was most likely about a 80lb tire.
Yup, I'm a newbie to LSR. But that doesn't mean I don't need tires. The only LSR tires that are weight rated for my truck are now discontinued, hence my searching of aircraft catalogs and other alternatives. It's mainly a sport for lightweight vehicles, so I just have to get creative.