You can get
Glenn Ridlen <gridlen@yahoo.com> wrote: You can bet a safety switch with 2
seperate contacts which will allow you to turn off 2 circuits.
Dave Dahlgren
wrote: you have to put all the power through the safety switch to turn the
car off. if
you have a fire and a dead short that pulls the main battery down all the
batteries will be dead not just the main one. If you have a battery that is not
on the main switch and it is found i don't think you will pass tech.. hey my
opinion and mine alone for what little it is worth..
Dave
"Albaugh, Neil" wrote:
>
> Dave;
>
> Not necessarily. It depends on where you place the wiring and small backup
> battery. Think of a fire suppression system as a critical system on a
> fighter that must survive battle damage-- redundency and routing systems
> through less- vulnerable areas certainly helps. The routing of hydraulic
> (brake) lines, chute release lines and critical electrical wiring, etc. all
> need to be carefully thought out with an eye toward where a fire is most
> likely to occur and where it will do the most damage at speed. Things like
> fire sleeves can help lines survive for a bit longer than if they are bare.
>
> When all is said & done, I agree with you-- I'd still like to have the
> option of a manually- operated mechanical linkage to actuate my fire-
> suppression system but it would be in addition to the automatic system. As
> they say, "Simplicity is Golden; complexity for it's own sake is a pain..."
>
> Regards, Neil Tucson, AZ
>
> -----Original Message-----
> From: Dave Dahlgren [mailto:ddahlgren@snet.net]
> Sent: Wednesday, October 31, 2001 9:18 AM
> To: Albaugh, Neil
> Cc: 'Higginbotham Land Speed Racing'; landspeedracer;
> land-speed@autox.team.net
> Subject: Re: Solid suspension and visibility comments
>
> Wouldn't common sense tell you that if there is a fire than you have to
> assume
> the electric stuff is all dead???
> I would have to also believe that a mechanical linkage or actuator would be
> mandatory for the same reason or if not at least for personal safety...
>
> Dave Dahlgren
>
> "Albaugh, Neil" wrote:
> >
> > The automatic actuation can be through a latching relay; once on it stays
> > on.
> >
> > Regards, Neil Tucson, AZ
> >
> > -----Original Message-----
> > From: Higginbotham Land Speed Racing [mailto:saltrat@pro-blend.com]
> > Sent: Tuesday, October 30, 2001 4:11 PM
> > To: landspeedracer; Albaugh, Neil; land-speed@autox.team.net
> > Subject: Re: Solid suspension and visibility comments
> >
> > And once you activate the switch it will stay on.
> > Skip
> >
> > At 05:24 PM 10/30/01 -0500, landspeedracer wrote:
> > >Remember Guys, with on/off switches or valves, as per the SCTA rule book:
> > >"The valves shall be designed to remain open once actuated."
> > >
> > >John B.
> > >----- Original Message -----
> > >From: "Skip Higginbotham"
> > >To: "Albaugh, Neil" ;
> > >Sent: Tuesday, October 30, 2001 11:08 AM
> > >Subject: RE: Solid suspension and visibility comments
> > >
> > >
> > >> Neil,
> > >> The problem with resistance wire systems is false alarms.......not a
> good
> > >> idea at 300 MPH +. Too hard on the heart! And IR systems are a little
> > >> pricey for me.
> > >> Auto fire extinguishing is OK if you don't want to control the
> > >extinguisher
> > >> manually. I do. I feel like I can turn on the fire bottles until the
> fire
> > >> is out and if I'm not stopped yet, I can turn off the fire bottles and
> > >save
> > >> the agent for later in the shut-down if the fire relights or was not
> out
> > >to
> > >> begin with. Also manual control might let me breathe in the small
> > >> cockpit!!! Too subtile?
> > >> Hard to reason with a fire that is behind you though!!! Auto system
> might
> > >> be the best in the long run. I worry about false actuation.......
> > >> Skip
> > >>
> > >>
> > >>
> > >> At 09:50 AM 10/30/01 -0600, you wrote:
> > >> >Skip;
> > >> >
> > >> >That's a good idea. You could probably wire that into a solenoid-
> > >operated
> > >> >valve to actuate the fire bottles automatically, too.
> > >> >
> > >> >I've seen some aircraft fire detection systems that are based on a
> wire
> > >that
> > >> >changes resistance. Some of the newer flame detectors sense
> ultraviolet
> > >> >radiation so they aren't confused by IR heat radiation from the
> > >collectors
> > >> >or other hot spots.
> > >> >
> > >> >Regards, Neil Tucson, AZ
> > >> >
> > >> >
> > >> >-----Original Message-----
> > >> >From: Skip Higginbotham [mailto:saltrat@pro-blend.com]
> > >> >Sent: Monday, October 29, 2001 5:54 PM
> > >> >To: Albaugh, Neil; land-speed@autox.team.net
> > >> >Subject: RE: Solid suspension and visibility comments
> > >> >
> > >> >
> > >> >Neil,
> > >> >I have a fire detection system in the liner/lakester. Turns a bright
> red
> > >> >light on in the cockpit. No false alarms yet.
> > >> >Skip
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