its seems interesting to me that the poll would suggest that over 50% of the racers are using HNR. that is not what the empirical evidence would suggest when i am at the track.
are the most of the ones in this thread users of HNR?
it is still relatively rare that i see a true HNR. i still see mostly horse collars (including mine).
now i did upgrade to a really good horse collar and plan to buy a HNR next year. most likely a HANS.
but i would vote for the isaac and others to be allowed as long as they have demonstrated they have a significant reduction in forces. and for me, demonstrated is a documented crash test (the designer/owner does not have to demonstrate, imho).
now perhaps the crash test should be per some identified protocol. it comes down to performance and choice. i
tom
1985 CRX Si competed in Solo II: AS, CS, DS, GS
1986 CRX Si competed in: SCCA Solo II CSP, SCCA ITA, SCCA ITB, NASA H5
1988 CRX Si competed in ITA & STL
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