Landing Light CB

Hankal wrote:

In the meantime can any one give some advise.

My guess is a bad ground for the landing light.

George Patterson
If you want to know God's opinion of money, just look at the people
he gives it to.

Hankal wrote:

In the meantime can any one give some advise.

If you are stationary and not in transit and engine off, does it still
trip the breaker? If not, sounds like a chaffed line that might be
shorting out somewhere along its path to the light - from the switch...

Darrel Toepfer wrote:

Hankal wrote:

In the meantime can any one give some advise.

If you are stationary and not in transit and engine off, does it still
trip the breaker? If not, sounds like a chaffed line that might be
shorting out somewhere along its path to the light - from the switch...

Unless it's an erratic short caused by vibration, that will result in the immediate
tripping of the breaker. Sounds to me (as someone else also said) that something's
heating up and causing the delayed trip. In my experience, that's frequently caused
by a poor ground connection.

I do agree with you that the problem is between the breaker and the light ground
connection. Could also be the switch.

I usually troubleshoot these things by moving the load further up the circuit until
the problem disappears. At that point, I've isolated the problem. In this case, I
would use sandpaper to polish the ground connections. If that didn't correct the
problem, I would remove the bulb, attach temporary leads, and hook it up directly to
the switch. If the breaker doesn't trip after a reasonable period of time, the
problem is in the wiring to the light fixture. If it trips, disconnect the switch and
hook the light up to the switch wire. If the breaker doesn't trip, the switch is the
problem. And so forth.

Now. If you wind up with the light hooked directly to a brand new breaker and the
breaker trips, I would be somewhat at a loss.

George Patterson
If you want to know God's opinion of money, just look at the people
he gives it to.

G.R. Patterson III wrote:
Hankal wrote:

In the meantime can any one give some advise.

Now. If you wind up with the light hooked directly to a brand new
breaker and the breaker trips, I would be somewhat at a loss.

I think he needs to give me his Avcon conversion for our tried and true
Cont. 0-300D... I'll even throw in a Q-Beam... ;-)

I think he needs to give me his Avcon conversion for our tried and true
Cont. 0-300D... I'll even throw in a Q-Beam... ;-)

That would be the sweetest deal you have ever got. I would rather not have a
landing light and keep my 180 Hp Lycoming with constant speed prop.
Hank

Hankal wrote:

I think he needs to give me his Avcon conversion for our tried and true
Cont. 0-300D... I'll even throw in a Q-Beam... ;-)

That would be the sweetest deal you have ever got. I would rather not have a
landing light and keep my 180 Hp Lycoming with constant speed prop.

Thanks Hank, lemme kneaux if you change you mind... G

Thanks Hank, lemme kneaux if you change you mind... G


You will be the first to know.
Hank

On Fri, 20 Aug 2004 22:01:19 -0500, Darrel Toepfer
wrote:

Hankal wrote:

In the meantime can any one give some advise.

If you are stationary and not in transit and engine off, does it still
trip the breaker? If not, sounds like a chaffed line that might be
shorting out somewhere along its path to the light - from the switch...

That's my guess. Try replacing the wire.

"G.R. Patterson III" writes:



Hankal wrote:

In the meantime can any one give some advise.

My guess is a bad ground for the landing light.

Huh? At worse, a bad ground will lead to little/no lamp output.

I suspect a chaffed/worn wire between the breaker and the lamp.
Usual technique is to put a test lamp in series, at the breaker.
Then wiggle/twist/gently yank/ the wiring. When the test lamp goes
to full brillance; you've found the short.

The trouble here is the landing lamp will pull so much current that
you'll need to use a similar lamp for the tester. Your old one
would do.


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