Autocross vid

[slngsht]

What a frustrating day...



I must have something stuck in my fuel filter, or my pump must be failing. Some of the runs had to be scrapped b/c of fuel starvation. Finally figured out if I shut down for a minute before the run, I can make a clean run.



Also had bad axle hop accelerating out of corners - my day ended with a broken panhard rod



Managed to nurse her home... now on with the fixes.



This vid has my spin on the first afternoon run (Track run in reverse), and one of my better runs.







>http://video.google.com/videoplay?docid=-1749421050705320395 &pr=goog-sl (http://video.google.com/videoplay?docid=-1749421050705320395 &pr=goog-sl)



Edit... this is the acceleration data (lateral and longitudinal) for the 2nd run in the video. Didn't feel like doing the work to overlay the video...

http://www.usa7s.com/forum/uploads/slngsht/2006-05-29_214533_Gs.JPG<edited><editID>slngsht</editID><editDate>38866.9071990741</editDate></edited>

[solder_guy]

I see some pretty good accels there! I hope that you get the fuel situation and panhard rod fixed.



So how do you get your data from the car to your computer?



Rob Mitchell

(got a pic of the panhard rod and what it does?)<edited><editID>solder_guy</editID><editDate>38867.278900463</editDate></edited>

[slngsht]

The data from the graph is from an accelerometer that's hooked up to the PC in the dash.



This time I did not record engine telemetry off the car because I had so many other problems to work on (fuel, axle hop, etc...). Normally I would capture that too, and do a video overlay.



I'm capturing the engine parameters via the OBD-II interface, using hardware by HPTuners.

[slngsht]

(got a pic of the panhard rod and what it does?)



Missed this part of your question...



The rear suspension of the rotus comprises of 7 total connections to the axle:



2 Coilover shock connections - these are vertical

2 Links that keep the rear from moving fore and aft

2 torque links that keep the rear from spinning in place as a result of the engine torque

1 panhard link that keeps the rear from moving side to side.



I haven't really paid close attention to the rear suspension setup, but that's what I recall from memory.