carmatic1

hi i know the title is kinda vague, but like why dont we see some of the stuff on RC on real cars? like if tyres were filled with foam , a puncture wouldnt matter so much and the tyre would also hold its shape better so the handling will improve...

also, is it true that the bodies of racing cars are very similar to rc lexan bodies? like they might not be made of lexan, but their headlights and taillights are also nothing but stickers and the whole body is one sheet of material...

rideicon

***? cars tire spin at a high rate of speed, off balance or different hardnesses on the tires surface would kill people....
horrible idea unless your cruzing low speed through the dessert or something...

something like that, race cars have fiberglass or a poly type material as the body, depending on the application and extent of body modification needed to fit the chassis and so forth....





your point?

carmatic1

surely the foam cant be so low quality that the vibrations at high speed is enough to 'kill people'? for instance it could be very easy to make it stiffer in one direction and softer in another,like so you can make the tire compress vertically and doesnt tuck under the car.... like in normal tyres its done by using fabric under the rubber to stop the tyre from squishing in the wrong directions... with foam you dont need the fabric , and the tyre can have less rotational mass because the foam's weight is closer to the center of rotation...

skylarkmk1

The Military has utilized foam tires on smaller troop vehicles to prevent flats. The problems found were short tire life (getting shorter a speed increases), extra costs and difficulty mounting/dismounting replacent tires on the rims.
I would imagine that the in aircraft, the initial contact with the runway would skid the tire as it does now, but the resulting "flat spots", as noted before would accentuate any imbalance.

A friend of mine paints race car bodies, some of metal, some of fiberglas or carbon fiber. All of his headlights are airbrushed on.

aryajet

Technology is already out there. Most of the passenger cars and light trucks are coming out of the factory with "Run-Flat" tires mounted on them.