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FC Chassis Torsional Stiffness
To share some of the FC related information for the car we're building into a dedicated, stripped, track car.
We bolted the rear of the car to the concrete and measured the torsional stiffness to get a baseline reading. The baseline reading was 3031 nm with the car completely gutted. We then fabricated a rollbar and harness bar and welded it into the car and re-measured The updated measurement was 4480nm, an increase of almost 50% rigidity. We measured using various weights up to 360lbs total. It was a fun experiment, and gives us an idea of how much, or little, chassis flex we'll be working with once we get the car fully assembled. https://cimg3.ibsrv.net/gimg/www.rx7...6206905b01.jpg https://cimg2.ibsrv.net/gimg/www.rx7...e28d146e31.jpg https://cimg5.ibsrv.net/gimg/www.rx7...8a0e712782.jpg |
Interesting. Was it a sunroof car? A high mileage car? Any rust or signs of collision? Wonder how much improvement there would be with a cage. |
Originally Posted by Sgtblue
(Post 12318293)
Interesting. Was it a sunroof car? A high mileage car? Any rust or signs of collision? Wonder how much improvement there would be with a cage. I had the same thought about how much more a cage would provide, but we have no intentions of adding one at this time. |
This truly is an interesting thread, but I'm going to close it since it's a repost.
FC Chassis Torsional Stiffness (With Numbers) 1 |
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