Aston Martin AMR1 - 1989


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I was sent the following story by someone who viewed these pictures with interest.

V. interesting story about the front suspension, the two shots in the middle of the second row of piccies. See how there is a "subframe" bolted onto the original PUPs on the carbon monocoque?

Story related to me by Chris Groves, whose Geoscan company revised the suspension geometry on my Chevron/Esprit and the subsequent Cheek designs.....anyway, Chris' company were at the Birmingham Autosport showing their suspension geometry analysis software, when they were approached by major Mallock, fully armed with the drawings of the new Aston Martin Gr C challenger built by his son Ray's company.

Grudgingly, Chris ran it through his puter and found the most enormous variations of front roll centre (one of *the* critical parameters in front suspension design, back when race cars had some suspension movement). In Chris' words, the r/c shot out about half a mile laterally, then came back and biffed the suspension sideways, with applied suspension loads...got Chris explaining about this on videotape, accompanied by hoots of laughter.

Subsequently, the A-M appeared with drastically revised PUPs, front wishbones and lateral steering arms (necessitated by re-location the f suspension pivots outboard by a considerable degree.) I had not seen the actual results close up before these piccies, which certainly go to confirm Chris' story.

Doc, in Le Mans mood

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