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Three little bridge clamps for my upcoming guitar to mandocello conversion
-- There are good ships and there are wood ships, the ships that sail the sea, but the best ships are friendships and may they always be.
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1119 posts in 646 days
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plywood and fir
3524 posts in 1486 days
#1 posted 01-13-2014 03:26 AM
Some of us are avidly awaiting the upcoming gender change!
-- Improvise.... Adapt...... Overcome!
#2 posted 01-13-2014 03:30 AM
Won’t be long now. I have all the tools and materials I need. I am probably going to be working alternately on my brother in law’s humidor and the mandocello.
892 posts in 1973 days
#3 posted 01-13-2014 10:24 PM
Nice looking clamps and the construction looks solid. I have on my long list of shop made tools some luthier clamps like these to build, only the design uses cam action leavers . I had not seen this design before using a bolt in place of the leaver. Now that has got my interest peaked, do they work as well as you hoped ?
-- Rob,Gaithersburg,MD,One mans trash is another mans wood shop treasure ! ;-)
#4 posted 01-13-2014 11:19 PM
Yes, they absolutely do. I used a metal insert for the 1/4 – 20 thumb screw you see. The spines are baltic birch plywood – 1/4” thick, so they are plenty strong. The reason you see dowels is because I made the clamps in two halves and then glued them together. The reason I did that was so I could cut the channels for the spines as a dado on each half. That way I was able to perfectly fit the spine to the dado before they were glued together. The dowels were used as a further measure to prevent the two halves of the clam from parting when I drilled and tapped for the metal insert.
#5 posted 01-14-2014 12:46 AM
Thanks for the response and info, glad to here that you are happy with their performance ! I will have to reconsider my initial direction on my proposed design. Good luck with your upcoming adventure and thanks for sharing. ;-)
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