Next message: Eric Thompson: "lv-ab: Electric winch near compass"
Get a strong magnet and see if it effects the compass when you put it
where the power winch would go, Or, you can get a fluxgate compass with
the sensor in a remote location.
Bob
> Roger Crawford wrote:
>
> I figured out that with the use of sheet stoppers I can make one
> electric winch mounted on a pedestal directly in front of the
> pedestal/binnacle do all the halyards and sheets on my 37C. The motor
> for the winch would be in front of (3 to 4") the compass and 2 to 3"
> below the compass. I know because of the permanent magnets in the
> motor and the mass of metals some compensation will have to be done to
> the compass. Do you all think that the compass can be compensated with
> all that stuff so close. Also what happens to the magnatism when the
> winch is actually running?
>
> I talked to a techie at Lewmar and he said because the motor was not
> on the same plain as the compass "no problem". At $3000.00+ I'm
> seeking other opinions.
>
> Roger
> SV Yonder
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