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9 Apr 2012, 15:20
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#46
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Rookie
Join Date: Mar 2008
Posts: 26
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There's another little gem hidden in 5.13.5 that could spell trouble for some folks running period F-G2 cars: it's no longer permitted to attach roll cage tubes to the chassis within 10 cm of a suspension pick-up point.
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9 Apr 2012, 16:48
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#47
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Veteran
Join Date: Sep 2006
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Mostly over here,sometimes over in Ukkk. |
Posts: 11,376
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Quote:
Originally Posted by Leo Landman
There's another little gem hidden in 5.13.5 that could spell trouble for some folks running period F-G2 cars: it's no longer permitted to attach roll cage tubes to the chassis within 10 cm of a suspension pick-up point.
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Just as well mine's not in yet then!
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__________________
Racer ...... And Loving It! Heaven? It has to be an early sunny morning driving The Nurburgring,having lunch,then driving to Spa and spending three or four hours on there. Bugger,someone has to do it.LoL.
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18 Apr 2012, 08:25
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#48
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Veteran
Join Date: Apr 2002
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good old Sussex by the sea |
Posts: 7,618
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Quote:
Originally Posted by Leo Landman
There's another little gem hidden in 5.13.5 that could spell trouble for some folks running period F-G2 cars: it's no longer permitted to attach roll cage tubes to the chassis within 10 cm of a suspension pick-up point.
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Surely thats impossible, asides the fact there's not a cage maker out there who would be able to comprehend doing such a thing!
were exactly would you put the main hoop and rear stays on a MK1 Cortina Leo ? I'm sure the same would apply for a majority of saloons and production GT's with leaf sprung rear ends ? MGB?
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__________________
Joe Allenby-Byrne
trading as Zefarelly since 1985
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18 Apr 2012, 09:58
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#49
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The Honourable Mallett
20KPINAL
Join Date: Feb 1999
Posts: 28,602
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Apart from anything else what do they mean by "chassis"? Do they differentiate between separate chassis and monocoque?
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__________________
I thought "Forum Tools" was a search criteria.
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18 Apr 2012, 16:02
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#50
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Veteran
Join Date: Nov 2006
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Kent+Mojacar Spain, but not always ? |
Posts: 5,617
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Quote:
Originally Posted by Peter Mallett
Apart from anything else what do they mean by "chassis"? Do they differentiate between separate chassis and monocoque?
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The old "grey area" rears it's head again. F1 spends lots of money investigating that
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__________________
Balls of steel (knob of butter) They're Asking For Larkins. ( Proper beer) not you're Eurofizz crap. Hace más calor en España. Me han conocido a hablar un montón cojones! Send any cheques and cash to PO box 1 Lagos Nigeria Africa !
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18 Apr 2012, 16:12
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#51
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The Honourable Mallett
20KPINAL
Join Date: Feb 1999
Posts: 28,602
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Actually a lot of the touring car boys now multi point the cage to the strut tops etc. So you can see the point. Also what if the rear stays are fixed to a bulkhead but the straight line distance is 100mm or less from a suspension mount?
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__________________
I thought "Forum Tools" was a search criteria.
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24 Apr 2012, 14:04
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#52
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Subscriber
Rookie
Join Date: Dec 2006
Posts: 86
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Quote:
Originally Posted by Leo Landman
There's another little gem hidden in 5.13.5 that could spell trouble for some folks running period F-G2 cars: it's no longer permitted to attach roll cage tubes to the chassis within 10 cm of a suspension pick-up point.
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Yes there are many little gems in the ROPS section which many people appear to be still unaware of ....some already discussed at length elsewhere on this forum.
Suggest that everyone looks closely at the new requirements within Appendix K as published January 2012, and take action now.
In fact the actual wording in 5.13.5 which I think the above quote refers to reads as follows:-
"Tubes through the bulkheads or attached to the body/chassis within 10cm of suspension pickup points are not permitted unless this is a period or homologated specification" (my italics and bold)
This puts a different slant on things I think.
However any compliance problems which are insurmountable are covered,
ultimately , in 5.13.5 para (g) which states:
"cars not able to fully comply with the above requirements may be granted a special dispensation subject to approval by HMSC.Confirmation of the dispensation must be appended to the car's HTP"
Anyone who gets to this stage should join the back of the queue soon.....
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12 Nov 2012, 09:41
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#53
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Subscriber
Veteran
Join Date: Mar 2008
Posts: 1,198
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Quote:
Originally Posted by pomracer
Anyone who gets to this stage should join the back of the queue soon.....
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Men (or Womem) in white coats again?......
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__________________
Don't worry about tomorrow, you already did that yesterday!
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12 Nov 2012, 13:41
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#54
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Veteran
Join Date: Sep 2006
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Mostly over here,sometimes over in Ukkk. |
Posts: 11,376
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Quote:
Originally Posted by pomracer
Yes there are many little gems in the ROPS section which many people appear to be still unaware of ....some already discussed at length elsewhere on this forum.
Suggest that everyone looks closely at the new requirements within Appendix K as published January 2012, and take action now.
In fact the actual wording in 5.13.5 which I think the above quote refers to reads as follows:-
"Tubes through the bulkheads or attached to the body/chassis within 10cm of suspension pickup points are not permitted unless this is a period or homologated specification" (my italics and bold)
This puts a different slant on things I think.
However any compliance problems which are insurmountable are covered,
ultimately , in 5.13.5 para (g) which states:
"cars not able to fully comply with the above requirements may be granted a special dispensation subject to approval by HMSC.Confirmation of the dispensation must be appended to the car's HTP"
Anyone who gets to this stage should join the back of the queue soon.....
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HMSC being absolutely nothing to do with my company.
HONEST!
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__________________
Racer ...... And Loving It! Heaven? It has to be an early sunny morning driving The Nurburgring,having lunch,then driving to Spa and spending three or four hours on there. Bugger,someone has to do it.LoL.
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16 Nov 2012, 16:44
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#55
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Rookie
Join Date: Jul 2004
Posts: 37
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Hi, all A mate of mine is looking to put an appendix K mustang together and already has a suitable base car. We were wandering around a recent appendix K meeeting at silverstone and noticed a mustang running adjustable top mounts on the front suspension. I didnt think this was allowed, have I misinterpreted something
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Racing is life : Everything else is just finding the money!!
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16 Nov 2012, 18:17
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#56
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Rookie
Join Date: Oct 2012
Posts: 3
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Hi Tazracer.
I think the recent silverstone meeting was either the Walter Hayes or the HSCC meetings. There are classes that can run fully adjustable front suspension ie HRSR.
I hope this helps.
Jim.
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17 Nov 2012, 17:06
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#57
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Rookie
Join Date: Nov 2012
Posts: 2
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Quote:
Originally Posted by tazracer
We were wandering around a recent appendix K meeeting at silverstone and noticed a mustang running adjustable top mounts on the front suspension.

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No tazracer you are interpreting Appendix K correctly. Adjustable top mounts are a prohibited modification. If your friend used them on his Mustang then he would not get a FIA passport and therefore would not be able race in the HSCC Touring Car Championship. Are you sure you were at an Appendix K meeting not just a practice day as all entrants are closely scutineered.
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17 Nov 2012, 19:07
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#58
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Rookie
Join Date: Oct 2012
Posts: 3
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[QUOTE=Relentless;3167557]No tazracer you are interpreting Appendix K correctly. Adjustable top mounts are a prohibited modification. If your friend used them on his Mustang then he would not get a FIA passport and therefore would not be able race in the HSCC Touring Car Championship. Are you sure you were at an Appendix K meeting not just a practice day as all entrants are closely scutineered.[/QUOTE
You seem very sure relentless. Are you part of the HSCC or do you race?
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18 Nov 2012, 06:04
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#59
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Veteran
Join Date: Sep 2006
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Mostly over here,sometimes over in Ukkk. |
Posts: 11,376
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What if they are period alterations? Same could apply to many different makes,Ford,BMW for instance.
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__________________
Racer ...... And Loving It! Heaven? It has to be an early sunny morning driving The Nurburgring,having lunch,then driving to Spa and spending three or four hours on there. Bugger,someone has to do it.LoL.
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18 Nov 2012, 08:28
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#60
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Subscriber
Veteran
Join Date: Sep 2008
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Attleborough- 5 minutes from Snet! |
Posts: 4,204
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Quote:
Originally Posted by tazracer
We were wandering around a recent appendix K meeeting at silverstone and noticed a mustang running adjustable top mounts on the front suspension. I didnt think this was allowed, have I misinterpreted something
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Hi tazracer, quick search on t'internet suggests the car in your pic races with HSCC in ByBox series. The regs for this are on HSCC website and allow more freedom than AppK, although indeed there is a class for that within the series. As stated, adjustable suspension mounting points are outside the regs for AppK Production Touring Cars unless fitted as standard in period. Mustang front suspension is wishbone type, so assume your reference to top mounts is towards the spring saddles pictured, not the mounting point on inner wing?
FYI, Quote from HSCC regs-
"It is intended that the technical regulations contained herein represent a qualified and clarified interpretation of the FIA Special
Touring Cars Group 5 Definitions and Specifications, as contained in the RAC handbook for the season 1966 chapter vii, pages
251 & 252."
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