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Minimum wind speed
Posted: Sun Feb 13, 2022 11:13 am
by bizzysguy
I’m curious to know what the minimum wind speed That my vintage windmill would need to begin turning? It’s a Dempster number 12. Thanks.
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 11:14 am
by bizzysguy
To me, it seems to be windy enough for it to turn. I climbed up the tower with the brake off and it doesn’t seem to turn. I don’t see anything unattached. I’m a rookie, however.
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 11:28 am
by Windcatcher530 Dan
Cory it could be a number of things we need more info. Is it a open gear, oil bath, is it hooked up to a pump,is the brake working properly, etc
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 11:47 am
by bizzysguy
The brake is working properly. It is not hooked up to a pump. Open gear versus oil bath… Not sure
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 11:59 am
by Windcatcher530 Dan
Can you post a couple pics
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 12:31 pm
by bizzysguy
Here are some
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 12:43 pm
by Windcatcher530 Dan
What you have is a oil bath Mill. If you can't spin the wheel by hand most likely there's a problem in the gear box which means the head has to come off the tower to be worked on
Re: Minimum wind speed
Posted: Sun Feb 13, 2022 1:20 pm
by CTXmiller
If you can climb the tower safely and remove the bonnet, consider taking a few photos of the gearbox with the bonnet off.