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pfstelwagon(at)earthlink.
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 Posted: Fri Nov 18, 2011 5:26 pm Post subject: panel compass |
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Another place to check, in the power distribution box behind the pilots seat is a selenium rectifier. they do tend to fail with age. Have one of your electronics friends replace it with a modern silicon bridge rectifier. I don't have the schematic here but it is involved in the compass.
Frank CJ6-A
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brian(at)lloyd.com
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| Posted: Fri Nov 18, 2011 5:52 pm Post subject: panel compass |
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On Fri, Nov 18, 2011 at 5:22 PM, Frank Stelwagon <pfstelwagon(at)earthlink.net (pfstelwagon(at)earthlink.net)> wrote:
| Quote: | Another place to check, in the power distribution box behind the pilots seat is a selenium rectifier. they do tend to fail with age. Have one of your electronics friends replace it with a modern silicon bridge rectifier. I don't have the schematic here but it is involved in the compass.
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Looking at the schematics, the selenium rectifier is associated with the VHF transceiver, not the gyro compass. I don't think that would help his problem.
Of all the systems in the CJ6A, the slaved gyro compass is far-and-away the most complex. Once it dies it really is time to go in a different direction. You can get rid of an amazing amount of weight by punting the gyro compass and replacing it with something solid-state.
--
Brian Lloyd, WB6RQN/J79BPL
3191 Western Dr.
Cameron Park, CA 95682
brian(at)lloyd.com (brian(at)lloyd.com)
+1.767.617.1365 (Dominica)
+1.916.877.5067 (USA)
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