Porsche GT4 at Harris Hill Raceway CCW - Side-by-side run comparison
Автор: High-G Motorsports
Загружено: 2022-07-23
Просмотров: 149
This was my first day at Harris Hill Raceway (H2R) and shows two runs side-by-side using CircuitStorm and a GoPro hero 10. GPS Data is coming at 10hz using a Dual Electronics XGPS160.
Skipping laps from a warmup session, here are at-speed laps 4 and 18 (from different sessions). 18 was my fastest lap, but I hadn't realized the app was no longer recording car data so it only has the video and GPS speed. The app had lost the WiFi connection to the car data much earlier, so lap 4 was the only reasonably good lap (no traffic) where we can see data like steering angle, throttle, brake pressure, and Gs. Lap 4 is on the left and shows its data and track icon in orange, and Lap 18 is on the right showing its speed data and icon in blue.
The car is a fully stock 718 GT4 with Michelin Sport Cup 2s with about 4600 miles. The only mod is a more aggressive camber at -2.3/-1.7 degrees using only shims with no other hardware changes.
Special thanks to enduro for arranging the wonderful morning! Thanks to Petrel Data Systems for the Beta copy of CircuitStorm. Be sure to see my SoloStorm videos as well!
Turn 7 turned out to be the first key to the faster lap - I went more to the inside and just dealt with the mid-turn bump in the track rather than steering wide around it. You can see my sudden steering correction as I hit it. After that I was just able to keep more speed through the remaining turns to come out nearly 3 seconds faster at the end. That's a wicked bump at the end of the downhill straight!
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