All An otherwise very good 70cm yagi has a boom and clamp plate with pre-drilled quarter-inch holes: their _centers_ are 1 and 7/8 inches apart. The correct u-bolt was missing. Don't ask how how many
Assuming you've tried the manufacturer with no luck, get a length of all-thread and bend your own. The big-box home centers stock it. Drilling the holes to 1/4" shouldn't be a problem. 73, Mike NF4L
William, I recently had a similar problem; needing some ubolts for 2 3/8" outside diameter pipe. No standard sizes were available. The next smaller size was expanded to fit by whaming the center of t
William, I've used the same method as Gerald. Expand and straighten a smaller 1/4" U-bolt, but I wonder if perhaps the boom isn't designed for a metric U-bolt. 73 Roger (K8RI) _______________________
I have resized many u-bolts without issue and it is quite easy as Gerald said. Once I had a difficult size to find and I located it in a SS muffler clamp which I purchased from Summit Racing (CEO is
Many catalogs will sell 2 1/2 inch U bolts as intended for "2 inch pipe" which is 2 3/8 OD. The idea of that the U bolt supports the weight of the pipe. NOT that the U bolt prevents the pipe from rot