VisioRacer – Audi’s Audi’s Supercharged V16 racecars of the 1930s
An evening pause: Some automotive racecar history from before WWII, showing cars then capable of going more than 250 miles per hour.
Hat tip Judd Clark.
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i had to turn on the closed captions to understand the narrator, the automatic text generator has several fun translations ( as in the final type c iteration had 77 mm balls).
The inside wheel spin accelerating out of corners, caused by the massive torque (651 lb-ft at 2500 rpm) prompted Ferdinand Porsche to develop the limited slip differential. Interestingly, similar problems on the 917, after trying increasingly stiff differential springs, were solved by eliminating the differential completely. This also improved stability at high speed (also exceeding 250 mph) but caused interesting handling in the pits.