Easy there Tiger......TPAC runs it's clock on NAVAIR Certified Bearing's, (One of 7 Firms Certified in the World.......Only the Best for the USAF....and NASA......).......But those bearings are soon to be floating on a Nickel, (EIA), Magnetic Lubricant........So ...There's plenty of "time" for.......Serious Investor's Only........Might Just wanna spend a little time Doing some Diligence on This One............