As long as the vehicle does not move it won't activate! What's wrong with that?
Jack
----- Original Message -----
From: "Ed Van Scoy" <ed@vetteracing.com>
To: drmayf@mayfco.com, "LSR" <land-speed@autox.team.net>
Sent: Sunday, June 7, 2009 8:08:10 PM GMT -08:00 US/Canada Pacific
Subject: Re: [Land-speed] Inertia Activated Fuel Cut Off Swiches
If it is THAT sensitive, bumps from the push truck might trip it........
Ed V
-----Original Message-----
From: drmayf [mailto:drmayf@mayfco.com]
Sent: Sunday, June 7, 2009 04:54 PM
To: 'LSR'
Subject: [Land-speed] Inertia Activated Fuel Cut Off Swiches
Always the one to try and be safe, I see in the 2009 rule book that inertial
switches for fuel cut off are going to be required for 2010. So I purchased
one from Pegasus racing thinking that they sell stuff used by the formula ford
cars and SCCA cars as well. Well it came yesterday. Kinda spendy for such a
small part. However, I am surprised at just how easy it is to trigger. If I
have it in my hand and just briskly wave that hand around, it will trigger. AN
dof course, it triggers when I hold it with one hand and bump with the other.
I am really thinking that this particular unit may trigger in just a simple
spin or near spin. Of course I guess I could mount it right on the CG and just
a rotation of the unit woudl occur. The insructions for sure say not to mount
it on a panel which can vibrate as that will trigger it. My questions are
manifold. Are there going to be, if anyone knows, any kind of spec for these
items? I would think that someting akin to an SFI spec is needed here. If a
simple piece of foam requires it, then someting that might prevent a large
fire should also need a spec as well. We have approved fire extinguishers why
wouldn't this also need some kind of at least generic approval. Next question,
for you folk that have these already installed. How much of a wiggle or impact
did it or does it take to trigger yours? It may simply be that it is working
fine and that I can move it fast and hard enough to trigger. I have sent the
company an email asking what kind of g levels or just motion it would take to
trigger it under normal or not normal circumstances. When I get the answer,
I'll post it. Yes, I know that I could have gone to the junk yard and bought
one. So exclude any comments about that please. As the same questions
apply...what are the trigger levels.... comments? mayf
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