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Double Bass Broken bass, I blame Jake

Jan 26, 2009
686
9
Lilburn, GA
Disclosures
Ronald Sachs Violins
Jake de Villiers put plans up on his website for a "bass clamp" of which I blatantly stole for use in my shop. This design is ingenious and many of basses and cellos have been hoisted up on this clamp.

Unfortunately I put a brand-new Shen SB800 Rogeri on this clamp for some setup tweaking. The shoulders of the Rogeri model are very panormo-like. They are wide and broad. The cuts in the top of the legs for the clamp weren't cut to accomodate this so the bass was, myself not noticing, sitting on less than 1/2 an inch of the support on the front bouts. Needless to say that, while working on it, the front of the bass fell off of the two legs and the lip of the top just barely caught the leg thus pulling a big chunk out of the top. Jake owes me a new bass top! :hyper: (Jake you know I'm kidding :p)

Scratching my head, I decided to modify the clamp and share my idea with my colleagues here.

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flickr

I cut off the top of the legs that were already covered with leather/cork and reused them. I drilled holes through the pivot point of them with a drill press and tapped the leg underneath to screw the bolts into directly. I cut a slot in these bolts with a dremel so that I could use a flat head to screw them in place.

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flickr

Nestled in the clamp (Jake likes to call a spa..) is a cello, a more extreme example of making this clamp useful for a variety of instruments and sizes. My next step this morning will be to cover the bolt heads with some small circular pieces of leather..
 
Nice adaptation - you have made a monster patternmaker's vice. Every now and then I look at Jake's design and say to myself - must make one. But I keep going back to the simple ones I made based on john's post in http://www.talkbass.com/forum/f3/bass-oriented-benches-272748/index2.html#post3322287. I haven't had a bass fall off yet and if it did it wouldn't be far!


[edit] in fact, now I scroll down that thread again, i see someone else came up with an idea looking just like Jake's. So now another calamari clamp polemic begins ... who was first?

[more edit] And so now I see that Jake credits Bruce with the initial design. So no polemic. Have to put the popcorn away again.
 
I'm sorry to hear about the injured bass Cody. Maybe its karmic retribution for stealing my Bass Spa Bass Clamp (TM) design!? :D

Seriously, I like the idea of the swivelling rests - maybe I'll do that if I build a fourth one...

I've never tried a cello in the BSBC - I have a plywood top that clamps in there with some 'cello stops' screwed down on it that does the trick for me.