I had a failure of one side of the DPDT switch (double pole, double
throw), and that story is at the bottom of the link y'all are referring to,
http://www.n56ml.com/electrical/index.html .
I've learned that lesson, and my answer is "use super high quality parts
for critical items", hence the H
Larry wrote: " I've seen DT/ center off switches, both SP and DP fail in
one "throw" cause both "throws" to fail or become inop. "
I agree. I have seen those fails also.
If you put two or more functions on one switch, be prepared to loose all
the functions upon failure of the switch. You
On 11/30/2021 12:13 PM, Michael wrote:
I have been reading Mark's electrical blog and did a bit of re-drawing
purely for my own use and logbook but have attached if you find value in
it.
++
I can't seem to open your attached fil
On 11/30/2021 2:29 PM, John Gotschall wrote:
In my Cessna 172 the master solenoid isolated everything. Really,
everything. Including the starter solenoid. The only thing not isolated
by the master solenoid was one lonely fuse feeding the master switch
contact that fed only the master solenoid
In my Cessna 172 the master solenoid isolated everything. Really,
everything. Including the starter solenoid. The only thing not isolated
by the master solenoid was one lonely fuse feeding the master switch
contact that fed only the master solenoid coil.
That way when the master was off, there
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