Here, I’ve borrowed a photo of one from another site for you Jim.
(Attachment Link)
Walter......do you know the backstory to this?
Awesome ...... what does the plaque say?
The original post where I found the photo said that it was used for ventilation of an underground mining operation.
Awesome ...... what does the plaque say?
The original post where I found the photo said that it was used for ventilation of an underground mining operation.
That would perhaps explain the curved blades.
Looking at the huge fan, mine doesn't look so out of scale.
I built mine larger so it wouldn't have to spin so fast. I'm thinking that is safer for fingers.