Leadfoot Festival

Shooting the bull on historic motor racing and motorsport history.
RogerH
Semi-Pro Racer
Posts: 436
Joined: Tue Apr 26, 2011 7:22 pm

Re: Leadfoot Festival

Post by RogerH »

Until everything gets transferred to the new tread - the MSNZ Historic regulations for roll bar height is 50mm above the helmet - not 100mm - Appendix Six, Schedule AA 4.4 (3) (c) "Open Vehicles - the height of the main rollbar should be at least 50mm above the top of the helmet of the normally seated vehicle occupant".
The question is what is a "normally seated vehicle occupant"? A driver who is 5' 2" tall or one who is 6' 2" tall? Do you need to rebuilt the height of the rollbar every time a different sized driver gets in? Or do you build one for an average sized person (say 5' 9") and leave it at that?
Oldfart
World Champion
Posts: 2345
Joined: Mon Aug 29, 2011 6:35 am

Re: Leadfoot Festival

Post by Oldfart »

Sorry Roger, don't know where my roll bar maker got the 100!
In regards "normally seated occupant" I would think that is very simple, it does not say "A" ... it says "the", so legal argument should it ever come to that would say is this "the" occupant right now, end of discussion I would believe.
GeebeeNZ
Semi-Pro Racer
Posts: 216
Joined: Mon Sep 19, 2011 6:56 am
Location: Auckland North Shore

Re: Leadfoot Festival

Post by GeebeeNZ »

Oldfart, Sometimes it pays not to be tall
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