G Meter - What is the highest number generated so far?
G Meter - What is the highest number generated so far?
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Discussion

TrackTwit

Original Poster:

423 posts

155 months

Wednesday 15th July 2015
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Must be a road going Porsche and cannot be generated as a result of a shunt!

I did a track day today in my 991 and could not quite get to 1.4g front, rear or side, late 1.3s for me. Anyone hit 1.4g or even 1.5g?

I would guess the GT3 has generated the most so far?

F40GT346

211 posts

196 months

Thursday 16th July 2015
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Managed 1.21g in my 997.1 GT3 at Silverstone, recorded on a vbox, normal track peak is around 1.1 to 1.15 without positive camber on the track.

PR36

341 posts

145 months

Thursday 16th July 2015
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Very curious, my aim datalogger shows my track bike generating 1.6 lateral g, I would have thought a track car would be much higher unless my readings are incorrect and I need to calibrate. Naturally I didn't read the instructions first!

fioran0

2,410 posts

201 months

Thursday 16th July 2015
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Peak values aren't much use as data points. A bump can be sufficient to give you a large value there for example.
Sustained values are more significant since this dictates how quickly you can stop or corner.
The 991 GT3 achieved sustained 1.12G max during cornering in the car and driver test on the new generation of tyres. The 997 GT2RS sustained 1.07G max during cornering on the last generation of tyres.

F40GT346

211 posts

196 months

Thursday 16th July 2015
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That correlates with my experience on track with the GT3 - usual max sustained (rather than instantaneous peak) is around 1.1 to 1.15. The 1.21 at Silverstone is through turn 2 left hander after the new start finish straight and this has some positive camber at the apex that helps.

I think 1.6 on a bike is extremely unlikely give you have no aero helping stick you to the surface.

Taffy59

107 posts

157 months

Thursday 16th July 2015
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Saw a sustained 1.15 during Chris' roundabout test after set-up at CG. Then this after a track day at Knockhill. Maybe instantaneous, who knows, didn't realise it had been logged until a few days later as had the TPM on screen during the day.

PR36

341 posts

145 months

Thursday 16th July 2015
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F40GT346 said:
I think 1.6 on a bike is extremely unlikely give you have no aero helping stick you to the surface.
very odd, i just looked on my laptop for my bike trace, gps lat acc shows highest value of 1.6g brands (druids) and 1.29 for donington (craner) with gps braking showing max 1.04 and acceleration .94. Assume the calculation must be different from yours but makes no odds either way, was just curious why the difference, sorry for hijack.

TrackTwit

Original Poster:

423 posts

155 months

Thursday 16th July 2015
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Reset before Snett on Wednesday this week.

mollytherocker

14,459 posts

238 months

Thursday 16th July 2015
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You guys are doing this wrong.

Us air cooled sandle wearing types take children out on track for 5 laps then return to the pits.

On arrival, the child falls out of the car and then we measure the projection of the vomit.

My record is 1.97 metres. Thats fast.