> > Do you run a master switch, or are the Circuit breakers the switch. I
> > have a master switch, but its bothering me that if that if ONE switch
> > fails, it all fails. I I think I'll skip the master switch for flight
> > critical.
> >
> > Bob Mears
> > Supermarine Spitfire
> >
> > That has happened Bob. A Power Sport RV8 crashed and was destroyed
> > when the master switch failed.
> >
> > Not a problem with mags in cert airplanes. Only in these all electric
> > airplanes.
> >
> > Paul Lamar ...No rotor no motor.
>
>
> Bob,
>
> In case of an emergency landing you may want to disable the electrical
> system with one simple action. I am thinking ruptured fuel lines and
> sparking wire here. Not a pleasant image and one that has claimed
several
> SeaWind owners. Perhaps something as simple as a mechanical copper knife
> switch on the main power cable near the battery would be the ticket. You
> could rig a cable to activate or disable it.
>
> Douglas Fir

the part you want is a batery isolator switch:

www.motormite.com <http://www.motormite.com/> Part Number 85988

or:

https://www.dormanproducts.com/cgi-bin/vm91corp30r/item-dtl.w?sid=0x00c07dd5&item=85988&icrid=&clt=hwrap1&vsrch_str=85988&vsrch_brand=ALL&vsrch_cat=ALL&st_amount=&end_amount=&start=&vfrom=&prev=&vnext=&category_list=:0
<https://www.dormanproducts.com/cgi-bin/vm91corp30r/item-dtl.w?sid=0x00c07dd5&item=85988&icrid=&clt=hwrap1&vsrch_str=85988&vsrch_brand=ALL&vsrch_cat=ALL&st_amount=&end_amount=&start=&vfrom=&prev=&vnext=&category_list=:0>

the corvair guys have been using them with great success.

Michael Silvius
Scarborough, Maine
Falconar F-12 w/ NA 13B in progress

Those main line battery switches are required in many forms of racing.
You have to be able to switch off all power from outside the car.
Just a hand operated contactor really. Very simple.
Bill Jepson



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