Auto World 4Gear NHRA R27 Doug Kalitta - Mac Tools Top Fuel Dragster iWheels HO Scale Slot Car. SFI Race Suit Spec-TPP-Time to Second Degree Burnģ.2A/1-6-3 Secondsģ.2A/5-19-10 Secondsģ. Auto World 4 Gear Deluxe Pit Kit (w/1970s Chevy Camaro Funny Car Body) HO Scale. The higher the SFI Spec and TPP Rating, the more protection the racing suit will provide. As shown in the chart below, there are several SFI ratings for driver's racing suits with different TPP ratings. To calculate the protection time of a particular race suit, simply divide the TPP number by two to establish the approximate protection time in seconds.
#Auto race gear driver
DRIVER GEAR RACECAR GEAR WHEELS KARTING GEAR CLOSEOUT PRODUCTS. The TPP rating measures the length of time the person wearing the garment can be exposed to a heat source (direct flame or radiant heat) before incurring a second degree (skin blistering) burn. My Account Sign In Register Gift Certificates. The test performed by SFI on suits determines the Thermal Protection Performance (TPP) of the garment. The SFI ratings are calculated in calories per unit area per time of exposure. HRX is represented around the world by some of motorsports. This classification rates the length of time the selected racing suit offers protection from second degree burns in an approximation of a raging gasoline fire between 1,800 and 2,100 degrees Fahrenheit. HRX are specialists in bespoke and customised racewear for club and professional level drivers. The SFI specification for driver's auto racing suits is 3.2A. With a focus on driver safety, we proudly stock a broad lineup of products for racing and karting from brands like Alpinestars, Bell Racing, Racequip, HANS, as well as other niche brands.
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