A couple thoughts John. What about using cables to run each way to the wall?
Or cables angled down and anchored to the concrete like utility poles. They would be in the way though.
Give us some more info about how your shop is framed up and we will talk it out.

Don

Edit: A great Machinist thinks outside of the box!

Last edited by 2-Ton; 05/08/2020 6:46 PM.
1967 GMC 9500 Fire Ladder Truck
"The Flag Pole"
In the Stovebolt Gallery
1946 2-Ton grain truck
1946 3/4-ton pickup,
1953 1-ton pickup
1957 1-ton flatbed dually,
1954 Pontiac Straight Eight
Of all the things I've lost in my life, I miss my mind the most!