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I bought an NSR Porsche 997 at gaydon. My first NSR, and it's actually legal for one of our classes which the others aren't. Tried it on the track on Tuesday and it was ghastly out of the box, mainly due (I hope) to the tyres not being glued and trued. However it was also lifting the front end on acceleration.

We have a fairly tight wooden track - the old East Devon Raceway.

Now I've had a good look and can see a few dimensions for adjustment. I'd like some feedback if possible to save weeks of experimenting.

Here's my initial thoughts.

Keep the air tyres it came with, or go to Ultragrips?
Wider ultragrips?

Glue and true all four tyres.

Coat the front tyres in superglue or similar to reduce grip.

All four wheels spaced out to fill the wheelarches as far as possible without fouling

Use the four grubscrews provided to limit front axle up and down movement so that the tyres just skim the track surface and move maybe 0.5mm up from that.
Lock up the droparm with the screw provided. I'd like a little movement but the screw fouls on the hole in the chassis.

Three motor pod screws and the three body mount screws all about half a turn loose.

No lead, taken magnet out for obvious reasons!

Leave everything else alone (guide still goes up and down in its socket, motor staill rotates in its mountings).

That's it so far - is any of this wrong - is there anything further which needs doing?

Best Rob
 

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Discussion Starter · #12 ·
Thanks guys. Yes mine was a race car so came wih air system tyres.
Define ghastly - tramping all over the place, wheelies down the straight, sufficient to deslot on a kink evrery other car takes flat...
 
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