[Land-speed] Inertia Activated Fuel Cut Off Swiches

[drmayf]

Well, dang! Why didn't I think of that? It would be even better if I 
leave it in the shop on the jack stands!  It may come to that, lol.

mayf
NT788 at comcast.net wrote:

> 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 at vetteracing.com>
> To: drmayf at mayfco.com, "LSR" <land-speed at 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 at 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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