saw in the minutes from the excomm that all (and the word all was underlined) that li po batteries are illegal in any car at any event including radios, propulsion, reciever packs and starter boxes. why would roar do this???

Liability and Fire Danger?

how many have you seen blow up??? we have tried to overcharge them. they are less volatile than a nimh cell.

You asked WHY...

I have never seen any battery catch fire unless they got shorted out in a car...or shorted against a chassis.

However, since the MFG's of the battery claim they can be a fire risk..and since they are considered a FIRE Risk and Not allowed to be AIR Shipped...hmmmm maybe INSURANCE Companies don't want to have to worry about them

fuel is flammable. do we outlaw nitro racing.

also dont the mfg of nimh and ni cad cells pretty much same the same thing. i am not trying to start an argument. i just want to know why. i think its crazy.

no because in a crash lithium catch es fire it it even smells air air+lithium= fire and lots of it, if you pierce a nicd/mh it will leak acid not fire..

ok if thats the case as it cant be used in a car why not in radios or starter boxes. neither of those are usually involved in crashes.

ya got a point its really for liability reasons tho

there are so many liabilities at race. whats next all marshalls must wear helmets and wait a full lap after a crash to get the cars. i believe its due to roars complete ignorance of li po batteries.

They didn't ban it from everything. This has already been discussed on rctech and Car Action forums. Its only for electric cars, and the reason they gave was the difference in voltage.

"For 2007 Lithium Polymer batteries are not permitted to compete with NiCad or NiMh batteries in electric class racing because the voltages are not equivalent nor do the pack dimensions match those currently observed by ROAR and IFMAR. This rule does not currently affect receiver packs at this time, however ROAR is concerned with the overall safety of these cells when located near or around flammable/combustible materials. ROAR will investigate this further."