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Generator Switch's

Comanche Airframes

Last Post by ICS archives 2008-2018 5 years ago

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Topic starter 26/04/2020 2:17 am

Generator Switch's

by Billy Matthews » Sat Jun 18, 2011 12:26 pm

Is it ok to leave the Generator switch's on at all times, I did this with the Alternators switch's so I would not forget to turn them on:

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Re: Generator Switch's

by Andreas Riedel » Sat Jun 18, 2011 3:54 pm

I have left mine on for the past 15 years without any problem. Had been an advice from a person who flew and owned PA30 since 1960.
Works for me
Andreas Riedel

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Re: Generator Switch's

by SLIMDREDGER » Sun Jun 19, 2011 7:47 pm

Hi Andreas,

The instructor who checked me out in my PA30 in 1967 said to leave the generator switches on all the time, and I have done so without problems, except for one experience. When the airplane came out of annual I started it and took off without problems. A half hour later the radios started giving problems.
I was about ready to turn around and go back to the shop when my checking found the both generator switches had been turned off by the shop. I now am more careful about checking generator output of each engine before take off, and I am particularly careful after any maintenance.

Warm regards, Al Powers

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Re: Generator Switch's

by Billy Matthews » Mon Jun 20, 2011 8:28 pm

Thanks for the replys I had a 69 TC that had alternators that I left the switchs on at all times. I sold it and got a 66 TC that has generators I thought I should have done the same it looks like I was correct.

Thanks

Billy

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Re: Generator Switch's

by steen » Wed Jun 22, 2011 7:48 am

I agree with you that the switches should be left on except during runup when the output should be checked for each.
I find mine go about 800-1000 hrs. and then "suddenly" fail on runup check. I also have noted that many shops turn them off, but this too is
caught on runup check.
Steen

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Re: Generator Switch's

by Billy Matthews » Wed Jun 22, 2011 5:39 pm

Thanks Steen,

I did not think about that, I am use to watching the needle on run up to see if it moves as I increase the power to 2200, I will turn them off the next time and check them one at a time.

Billy

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