T&T: strange alternator problem

[John Blackburn]

I have the same thing that happens to my two 135 Perkins on a 44 
DeFever.  I bump the throttles after the oil pressure comes up and the 
tachs read fine after that.

John Blackburn
44 DeFever "Yak Rack"
Deale, MD

Albin43SDtr wrote:

>'Lo Dick and all,
>
>Tachs that are driven from alternators often have a similar 
>"problem".  For example, all four tachs on the Celestial (twin 
>engines, upper and lower helms) indicate zero RPMs  and 
>voltage/current output when first starting the engines and idling. 
>After the oil pressure comes up, I bump the throttles to what is 
>about 1200 RPMs and the tachs start reading correctly as does the 
>alternator output. After that, they operate perfectly at all power 
>settings. It seems to just be the nature of the beasts.
>
>
>Take care and be safe.
>
>Wayne
>M/V Celestial
>Albin43 Sundeck 
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