Whining noise and GPS looses signal - SailNet Community
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post #1 of 6 Old 07-15-2019 Thread Starter
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Whining noise and GPS looses signal

So, I have had a whining from by Westerbeke 27 mostly soon after starting. I thought it was a slipping belt that I have not gotten around to tightening. However, twice while underway when the noise started, the GPS lost it's signal, and the tiller pilot lost it's setting (compass only, not GPS). What do you think is going on? The voltage on the engine meter (not very accurate) was about 14v.

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post #2 of 6 Old 07-16-2019
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Re: Whining noise and GPS looses signal

It sickens me when NASA is too lazy to oil the satellites!


arf145 and CVAT like this.

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post #3 of 6 Old 07-16-2019
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Re: Whining noise and GPS looses signal

Got to be electrical. Alternator?
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post #4 of 6 Old 07-16-2019
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Re: Whining noise and GPS looses signal

Fuel pumps can whine
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post #5 of 6 Old 07-16-2019
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Re: Whining noise and GPS looses signal

Hey,

My guess would be something wrong with the alternator. Perhaps a ferrite has failed or fallen off?

Barry

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post #6 of 6 Old 07-17-2019
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Re: Whining noise and GPS looses signal

I dont think the GPS and compass issue can be related to the engine noise. As for the engine, if it isnt a belt then it is a idler pulley or a bearing from something the belt is turning. But usually its an idler. Take the belt off and spin all the pulley wheels. They should be free, and not wobble at all. It is something i would address soon. Once bearings start to go their wear will accelerate. Best I can do from OPs description of the sound.
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