Motorised cranes

A little extra job, to motorise the two yard cranes to avoid the need for a Hand of God.

A 12V motor is activated by a DPDT momentary (On)-Off-(On) switch to reverse polarity and change direction.

Video from underneath in the comments.

https://video.wixstatic.com/video/568dad_43dd9de042fa4ded86706c7d99036daa/1080p/mp4/file.mp4