Alto and Tenor, prefer Martins Began playing March 2022
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386 Posts
I wondered how to do this. My bumper felts are as flat as fritters. I will need some felt though and I don't have a leather punch but that can be rectified.Time to make the bumpers and cork behind the octave key touch.
From some bulk felt I cut the bumper rounds out with a 1/2” punch. this can be made from a steel round tube. Sharpen the inside with a ball grinder or cone shape abrasive bit. View attachment 145276
Makes no difference if you cut off a slice. The material compress is the same for the cuts. View attachment 145277
Using a hole punch just inside the edge for making the notch to clear the screw. View attachment 145278
With a gently warmed pad slick I iron the piece flat so it glides into the clamp easily. too much heat will burn the felt. If your cutter is not sharp you will end up with fuzzy edges. Those can be burned off with a lightning fast pass of your torch.
View attachment 145279
I checked the part for it and then applied a coating of contact cement to just the flat edge. Quickly inserted the piece and pulled it back out. This coats the metal side. I applied a second coat to the felt and let it dry a few minutes. View attachment 145280
The screws hold the clamp onto the wire guard. These are not for clamping / holding the felt! View attachment 145281 View attachment 145282 View attachment 145283
A minor improvement from the original look at start of project. View attachment 145290