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Old 20 Sep 2019, 12:32 (Ref:3929077)   #26
Duddha
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Duddha should be qualifying in the top 5 on the gridDuddha should be qualifying in the top 5 on the gridDuddha should be qualifying in the top 5 on the grid
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Originally Posted by markymar93 View Post
couple of quick questions. i assume anywhere on underside of car should be seam welded? also i have a race fuel tank to fit. removed the original tank and i assume i can weld in a flat section of metal for the tank to be fitted to?
thanks mark
Fuel tank must be in original location and to the homologated capacity, same for the battery in terms of location.
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Old 27 Sep 2019, 12:27 (Ref:3930377)   #27
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Many thanks for that. I have managed to obtain a suitable fuel tank so this part should be okay. Slowly all the metal work is getting there. I promise to get some pics up soon.

thanks Mark
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Old 1 Oct 2019, 15:02 (Ref:3931311)   #28
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Fuel tank must be in original location and to the homologated capacity, same for the battery in terms of location.
Interesting, do you mean homologated capacity or the capacity permitted for racing in period?
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Old 3 Oct 2019, 09:10 (Ref:3931643)   #29
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Duddha should be qualifying in the top 5 on the gridDuddha should be qualifying in the top 5 on the gridDuddha should be qualifying in the top 5 on the grid
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Originally Posted by Peter Mallett View Post
Interesting, do you mean homologated capacity or the capacity permitted for racing in period?
Homologated cars run on homologated capacity and homologated location which was capped by Appendix J of the period anyway. As an example you can find that some cars were homologated with the maximum number on the form but reality was that that the standard fuel tank was smaller than the figure, still it permitted to fit the right capacity tank if required providing the location was respected.

On the non-homologated car, the capacity is capped by the Appendix J and location is "as it was, so it should be".
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Old 20 Nov 2019, 23:59 (Ref:3941849)   #30
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Originally Posted by Duddha View Post
Homologated cars run on homologated capacity and homologated location which was capped by Appendix J of the period anyway. As an example you can find that some cars were homologated with the maximum number on the form but reality was that that the standard fuel tank was smaller than the figure, still it permitted to fit the right capacity tank if required providing the location was respected.

On the non-homologated car, the capacity is capped by the Appendix J and location is "as it was, so it should be".
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.
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Old 25 Nov 2019, 08:56 (Ref:3942700)   #31
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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
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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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