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Old 25 Nov 2019, 08:56 (Ref:3942700)   #31
Duddha
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Duddha should be qualifying in the top 10 on the grid
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Originally Posted by SamBinfield View Post
Given that a non-homologated car should be shown to be of a correct, period specification - encompassing technical details of the engine, drivetrain, braking systems - why is it that the App J capacity can be used as the tank size for non-homologated cars? Isn't tank size another performance relevant technical detail that should be evidenced in the application process? In the same vein, it seems strange to me that gear ratios are also excluded from the HTP for non-homologated cars.
Appendix J principles were applicable for both the Homologated and Non-Homologated car, 140L for a 4700cc Shelby Cobra 289 according to Form 115 and same for a Ford GT40 which in 1965 was considered a prototype, all that according to the scale available in the document.

The difference being that in production cars, this was sometime more restrictive as based on a production model rather than something built for competition purpose only.

Gear ratios were free in period for the Non-Homologated cars and remain so today as you cannot couldn't possibly tell what each cars were running at each Competition from one specification to another, just like springs are free, etc.
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Old 25 Nov 2019, 23:05 (Ref:3942834)   #32
SamBinfield
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SamBinfield should be qualifying in the top 10 on the grid
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Originally Posted by Duddha View Post
Appendix J principles were applicable for both the Homologated and Non-Homologated car, 140L for a 4700cc Shelby Cobra 289 according to Form 115 and same for a Ford GT40 which in 1965 was considered a prototype, all that according to the scale available in the document.

The difference being that in production cars, this was sometime more restrictive as based on a production model rather than something built for competition purpose only.

Gear ratios were free in period for the Non-Homologated cars and remain so today as you cannot couldn't possibly tell what each cars were running at each Competition from one specification to another, just like springs are free, etc.
Makes sense - thanks for clarifying
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