ttb

anybody have a datalog of a good lap at thunderhill? I'm trying to see what the entry/exit speeds at each turn is. i know it won't be exact, but I figure if you have some type of datalogging unit you probably can figure out your speeds at the corners.
thanks
t

reza

Hey ttb...wanna go to Lotus Club track event tommorow on 15th?
If I refer you in, you will get $25 off.
If I refer 4 people, they will get $40 each. More than 4, the will $50 off.
http://www.gglotus.org/trkdays/ggtrkday.htm

I am going there in the morning. Only 2 groups, and each groups gets up to 4 hours track time...

ttb

i plan on going tomorrow. i asked the guy and he said i can just show up in the morning and pay then. if you want me to say you referred me i can do that

ttb

hope these lotus guys aren't too fast :-p

reza

Hey...I will be there....
Tell him that I refer you, and you will get $25 off.
So you don't have to pay the membership fee.
I gotta pay $215 2 weeks ago.
Good to see other FD there. What time you are leaving? May be we can caravan....

ttb

sent u a pm.

ttb

in case anybody is also interested

http://forums.s2ki.com/forums/showth...hreadid=183403

reza

I could not read that graph posted there...

ttb

hmm..maybe you have to register to view it. i can see it fine.

Carl Byck

1=85-100 (braking from 125)
2=70-85
3=65-75
4=~60
5=55
6=70-80
7=90-100
8=80
9=~70
10=65(braking from 100+)
11=50-60
12=60 (braking from 110+)
13= 50+

This is in my 3700lb Supra two weeks ago, best times were 2:11 and change. I'll be looking for 2:08s next time. This was my first time at the Hill in the Supra, and my second time at the track. Carl Byck
Times are what I saw on the speedo, thus the range, I was not watching on my faster laps

Carl Byck

I jus went and looked at the data log link, I guess my seat of the pants is pretty close, i am faster through 10, but I pay for it in 11. Overall the red s2000 is a little faster(this time)

ttb

this was what i was able to piece together from the s2000. it's not entry/exit speed, it's just the peak speed he achived before he started braking ---> the lowest speed before he started accelerating. i assume all braking is done before the turn.

reza

Wow....you guys go that fast huh? I should come out more often.

I cannot read(understand) the graph from the S2000 website. I don't know which one is turns and which one is straights...

ttb

the straights you'll see the speed increase. you'll see 4 hard acceleration lines from 6 to 8, 9 to 10, 11 - 14 (back straight) and 15 -1 (front). the plot itself starts with him entering turn 1 at ~ 118 mph.

ttb

http://www.nocupholders.org/thill_st...hunderhill.gif

reza

ttb, thank you...now I understand, and I can relate it to yesterday....cool...thank you...