Hi, welcome.
25 rpm is only about a 1-1/2% reduction. I don't think you'll notice the difference in performance. If it's the same frame size it should work just fine.
Jamie
He uses a laser to set his poles but a water level is a low cost way to establish a level line. I used a water level while laying the five rows of block for the foundation of my 30 x 36 attached garage. After I was done I checked my work with a transit and it was within 1/4" at the farthest...
Hi Cb-man,
"blazingnailgun" has several videos on YouTube titled "How to Build a Pole Barn". The first one goes into good detail on how to get the posts at the right height.
Jamie
Hi, I would like to know how the floor in the new Menards is finished. It looks like polished concrete with a sealer. Very smooth but not slippery.
Jamie
Hi, I bought a Starrett automatic punch to replace one that I lost. The old one had a replaceable tip, the new one doesn’t. Also the first replacement wasn’t the largest Starrett model. I ended up ordering the bigger one. If I need a lighter mark I just adjust it to suit.
Jamie