Adventures in Lutherie #13: Bass-ic Clamps

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Blog entry by Dave Rutan posted 07-28-2017 01:36 AM 1542 reads 0 times favorited 1 comment Add to Favorites Watch
« Part 12: A few shots from my day Part 13 of Adventures in Lutherie series Part 14: Chipped cello edge »

Lately at work I’ve had to venture upwards and do some work on Double Basses. It’s mostly been just restringing and such, but today I graduated again.

Today I cut my first bass bridge. It was just a 3/4 size bridge, but it was still a bass bridge.

The other thing was that I had to glue an open seam in the bottom of a 1/4 size bass. I discovered that my cello size spool clamps were too short and had to improvise as seen in the photo above.

Below you see two of four bass sized spool clamps that I made tonight to start my collection in that area. Each spool clamp consists of a threaded rod with a nut at one end. Onto the rod is placed an end block, two 1 inch lengths of plastic tubing, a second end block, a fender washer and a wing nut. The tubing helps protect the edge of the instrument. The 1/4 inch threaded rod is 12 inches long which I believe (hope) is long enough to use even on a full size bass. Time will tell.

-- Ni faru ion el ligno!

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Dave Rutan

1786 posts in 2794 days

#1 posted 07-28-2017 02:00 AM

Not my picture, but this is how spool clamps are usually used.

-- Ni faru ion el ligno!

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