I picked up the leather at micheal' s crafts it was a square about 12"x12" about an 1/8th thick smooth on 1 side rough on the other
what you need:
All pipe is Schedule 80
1.5 " dia section of dredge body make sure it is squared ( cut straight) on both ends about 1 foot long is good. You can make 2 at a time this way
1" dia pvc pipe again make sure it is cut square 2 6" pieces
1/2 inch threaded rod 3 feet or so you cut it to length when your done
2 1" dia metal washers
2 circles of cut leather the leather circle is about 1.25 " larger diameter then the dredge body tube
1 circle of leather 1.25" in dia. This should fit a bit snug in the tube.
using a section of dredge body as the mold mine is 1.5 " od so the ID is 1.25. cut out a circle of leather about 1 to 1.25 inches diameter larger then the dia of the mold your using.
soak your leather circles in hot water for about 15 min.
Now place the leather over the opening of the dredge body section you cut and center it.
Take the 1 " PVC and push it into the center of the 1.5" section. Tap it into the the 1.5" until it is all the way in, flip over and do it again on other side. Put in the sun until leather is dried. You now have a leather cup. I trimmed mine down to about 3/4" to 1" sides on the cup.
I used a threaded rod.
I made an attempt at drawing this for you. I am attaching 2 hand drawn pictures and I never ever claimed to be an artist~!!
I think you should be able to understand my concept. It works great even better once the seals are wetted and swell a little
