The Porsche That Had an Inflated Chassis

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Dec 6, 2020 at 1:16 PM
Posted By John vd Geest

Thanks to Ridge Wallet for sponsoring this video, go show them some love!
https://www.ridge.com/DRIVER61 - Use Code “DRIVER61 ” for 10% off your order!

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This Porsche had a chassis that was inflated with nitrogen. It was incredibly light, which was down to some ingenious design tricks to take weight saving to the next level.

The chassis was made of extremely thin aluminium tubes, and used the nitrogen in a really interesting way - but more on that later. Porsche used exotic materials and even filled some of the other chassis tubes with oil, saving the weight of an additional oil tank and pipes.

Weighing only 895kg and having nearly 1000bhp, it was an absolute rocket-ship.

It was 30mph quicker on the straights than anything else and absolutely dominated at Le Mans. Well, whilst it was on the tarmac. It was a real handful to drive and lead to some terrible accidents.

But Porsche managed to fix these strange problems by actually examining the pattern of splatted flies on the car.

It’s the Porsche 917, one of the most iconic cars in racing. It used some of the most advanced engineering techniques of its time and was Porsche’s first car to win Le Mans.

And with 19 overall wins and 108 class victories to their name, they are now the most successful manufacturer ever to race at Le Mans.

So what clever engineering tricks did Porsche use to forge new limits and make one of the greatest race cars ever?
00:00 The Amazing Porsche 917
01:43 Engine
02:23 The 42kg Chassis
06:55 The Ridge Wallet - Use Code DRIVER61
07:16 Flies Stopped This Car Flying
09:51 The Porsche 917K

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porsche 917k

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The Porsche That Had an Inflated Chassis