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Double Bass My DB project

#81
So I didnt have super long clamps that can reach deep into the top, so
I used Rare earth magnets.... :) I did work perfectly
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All the cleats, square shape at 45% Grain angle

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Chisel down (super sharp chisels :) ), Scraped and Sanded....

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Final Result... They look good to me... I dont know about you guys

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Couple notes....
I spoke to one of the local luthiers and he said that the old crack by the sound post looks sound... he recommended to ad a cleat in the north section of the crack and not to do a inlay patch... at least for now....
as for the lost of wood on the edges he suggest that an easy way to fix it is to use Wood epoxy.... I dont know anything about wood epoxy, sound scare sense ones the epoxy sets, I dont think I will be able to get it out in the case of a mistake.... could I use Hide glue for it, hummm...... i dont know if Hide G will build up or if it may react when I glue the top back????? :confused:... it need to study the case in deep
 
#84
Jake deVilliers said:
Hey, that looks a lot better! There's a time and a place for epoxy and that ain't it. Go ahead and repair the edging the old fashioned way by replacing it and you'll learn some good skills. ;)
Click to expand...

Thank you that's encouraging.....
I wasnt sure about epoxy sounds like the easy way out... well my concern is to remove more than necesary and makes thinks worse than actually help my bass... for me this project is like fixing a car using an manual only :S

next thing in my agenda.... a patch for the south part of the top... the portion that goes glue to the end pin block, its a real mess....
 
#86
Magnets are fun ... well done. I think you'd have more fun with a larger chisel for trimming the cleats; you can get a nice slicing action with a wider blade. Don't use epoxy. I would do an inlay soundpost patch anyway - you'll regret it if you get the top all glued back up and you get a soundpost crack opening up :-( Is your luthier friend a guitar luthier by any chance??
 
#87
Matthew Tucker said:
Magnets are fun ... well done. I think you'd have more fun with a larger chisel for trimming the cleats; you can get a nice slicing action with a wider blade. Don't use epoxy. I would do an inlay soundpost patch anyway - you'll regret it if you get the top all glued back up and you get a soundpost crack opening up :-( Is your luthier friend a guitar luthier by any chance??
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Hi Matt... I did use the smallest chisel for the first part #9 to rough shaping and then I switched to a bigger one not that big #10, I'm using metric chisels :)... my thinking was to apply the least amount of force possible using the small chisel so the cleat to it wouldn't break.... next time I try I will use a big one it will be more uniform from the start...

about the Epoxy its unanimous BAD IDEA....!
Sound post patch yes it need to be done its going to be a fun experience..... I am having some problems defining from where to where it need to cover.... you can see that the SP crack goes 5inches above the last cleat, this Luthier told me to patch the area where the last two cleats are... and to ad an cleat to the north area of the crack.

About this Luthier he got a well know Violin Shop here in Atlanta... I don't know... I am glad I have being help by every one on this forum... Cheers
 
#90
Matthew Tucker said:
you don't need to patch the whole sp crack, but you do need to provide a sound platform that will hold the pressure of the soundpost 3"-5" across; the rest of the crack just needs to be well glued and cleated just in case..
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Thats a good starting point...

by the way on the French restoration project... what is the spacing and measurements of your Cleats????

PS how u guys are holding up with the flooring over there...??? it afected you on anyway???
 
#92
Matthew Tucker said:
I'm in Sydney; the flooding is 1000km away in either direction. But it's very hot and humid at the moment. Good beach weather :-)

Cleat spacing isn't a science, it depends on the crack really. I use a different type of cleat and spacing is maybe 40-60mm between points. But it can be more or less.
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Good to know that u didn't have any trouble... i didnt know exactly where in Australia are you... by the way we have some crazy weather down here too is Atlanta Ga, 5 to 6in of snow... I know it may be not big deal for any other state but here stop everyhing for 3 days... no roads, no stores, no work Cheers... to that one....

Ohh well seems like nobody likes my Cleats on Ken's forum I am working on trying one more time (this time using Diamonds cleats and a bigger chisel for sure)... and this is just the easy part :p
 

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