See if there's something on this page that will work for you:
Jon Pearl - W4ABC
On 8/8/2012 11:31 PM, Steve wrote:
> Can anyone recommend an electric winch that can be used to fold over my MA550
> series US mast. I currently use the Tilt over fixture with a manual winch .
> The electric winch should have positive braking in both directions.
> Steve AA4V
TowerTalk mailing list