windvane and wind generator

[webcraft]

We have an Aerogen on our boat and I now want to put a windvane on it. The vane would only be 2 - 3 ft from the generator blades.

I can't feel any 'wind' off the genny when it is running but . . . do you think there would be any problems? Does anyone else have a wind generator and vane mounted in close proximity?

- Nick

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[Rohorn]

Hi.....I often use my Aerogen itself as a rough visual wind vane. Just a guide when sail furling or slow manouevring. Is the windvane you propose feeding info to an instrument, because you'd want precise wind direction info, which I reckon would be distorted if it was mounted behind the fan on the genny.
Also, if the genny is mounted toward the stern, so it gets the turbulence from the sails, (like mine), it wouldn't really be the ideal place for a windvane anyway.
Whereabouts on the boat is the genny?
Cheers.....R

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[webcraft]

Sorry . . . I meant a windvane for steering the boat, a Navik to be precise . . .

- Nick

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[tugboat]

I have a Monitor windvane and an Aerogen 4 which is mounted on a goalpost well above the windvane. The important issue is to make sure the windvane gets a clean airflow supply. Provided the wind generator itself is well above the windvane, the pole should not be a problem. However things like outboards and lifebuoys hung on the pushpit at the same level as the windvane can definitely cause the poor old windvane to scratch it's head. Position of people in the cockpit can also be important when going upwind. A bit of unsolicited advice - go for good quality turning blocks for the tiller/wheel lines to keep friction to a mininum. My windvane is my favourite piece of boat equipment and I love to just sit and watch it at work. Good luck with yours.

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