Low rear tire pressures... Yeah, that's just what it looked like. "Oversteer
city" on an MGB...
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 6/17/11 7:01 AM, Eric Erickson at eric at erickson.on.net wrote:
>>
>
> Ouch! ;-) Thanks for the analysis.
>
> That hill and dip beyond is always a bit scary at the end of that long
> straight and on that lap I would have lifted and would have been feathering
> the throttle - the idea would have been to accelerate once the car had apexed,
> down the hill. The apex is a little further around the corner so it appears I
> had entered a little early (I was still "learning" the track).
>
> My car is a little down on power and that always makes me take a few
> additional risks (OK... some call it "over drive" ;-) I often catch other
> cars, when I am down on power, by braking a little later and getting through
> the twisty bits faster, as Barney has spotted.... I PUSH. At that time I was
> chasing a lovely and very quick bugeye Sprite, thinking if I could keep up
> with him then I must be doing decent lap times. I can remember thinking that
> I wasn't going to back off too much for that corner - and I certainly wasn't
> going to brake.
>
> I had lower pressure than normal in my rear tyres in an attempt to get them to
> warm up faster on the cold track on a very cold morning. At this time that is
> what I am putting down to right now the way the rear end broke away so easily.
> I thought I had caught it for a moment but, as they say, it all happened
> rather quickly from that point. I was more surprised than anything.
>
> It would have been easier to analyse what I was doing throttle-wise is the
> audio was better but as the guys at the Vio-POV camera place have now
> confirmed, the "internal" microphone is NOT disconnected when an "external"
> microphone is plugged in - which in my experience usually happens. The
> external mic was taped to the back of my seat so there should not have been
> that wind noise... I now know what to do to fix that.
>
> I am still a little annoyed. ;-) It will be a learning experience.
>
>
>
> Eric
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