Repair Series #24 - Working on the sides of the cello

In this, the second video of the repair of this cello, I work on the sides. I glue and reinforce the old cracks. The top went back on place and the new AcuraMeister pegs take the place of the old mechanical pegs.
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[@brahmsbratsche]

Wonderful to see a liutaio who uses new technology like the plywood patches. I presume the "conservative" luthier doesn't like at all. Thanks Kimon for this new video!!!

[@maestrokimon]

Indeed they don't but I'm planing to make a video on the matter! Thanks for the kind comment!!!

[@shmizwald]

Thanks for all you do

[@maestrokimon]

Thank you for your kind feedback!

[@charleshensley2018]

Thanks for another great video. Using the plywood to reinforce the long cracks is brilliant.

[@maestrokimon]

Thank you Charles! It does work very well!

[@حامدالعراقي30]

really your working so great thank you for that video

[@maestrokimon]

Thank you for your kind words!

[@AmandaViolinGirl]

Very good

[@maestrokimon]

Thank you!

[@AmandaViolinGirl]

@@maestrokimon looking forward to seeing the next one when you set it up with strings. I would like to know why some cellos have fine tuners?

[@Tostra1997]

Very nice work as always! I realized watching you shape the pegs how effortless it looks. I'm usually fighting with it a lot more, even if I sharpen the blade nicely. Could you at some point make a video on sharpening and setting up violin and cello peg shapers? I think I may not be the only one tired of blisters from that job! Also, another video suggestion: How to loosen a frozen bow frog or rusten screw. I have a lot of those lying around, even a really nice one. And once again, I'm probably not alone. Cheers, Tobias

[@maestrokimon]

Good quality ebony works much better indeed. I will make a couple of videos on your suggestions, thank you! Soon a video on the threading and leather of the bow. Have a good one!

[@Tostra1997]

@@maestrokimon Ohh, that is very nice! I haven't actually done that yet, but oh boy do I have a few bows that need it :-P And thanks, you too :-)

[@wouteranthierens]

Very nicely done. Could you also use cotton so enforce the sides? I am very curious to hear and see the result!

[@maestrokimon]

Hello Wouter. I think that you mean cotton cloth don't you? I know people they use linen cloth but I was never keen on it as you can't clamp it.

[@bobweiram6321]

I mix glue and a bit of vinegar and use a syringe to squirt it into the crack. It ensure a good bond. Sometime I also use a vacuum to blow the glue deep into the crack.

[@maestrokimon]

As far as I know, vinegar is a solvent of the white glue, are you sure that this method doesn't weaken the glue?

[@bobweiram6321]

@@maestrokimon Yes, it is a solvent. It only serves to lower the viscosity, but doesn't effect the bond unless it is too thin to fill in between the mating surfaces. I only use a few drops. Personally, for splits and cracks on wood I go for the big gun, epoxy. Not for its strength, but for its ability to bond the fibers without any swelling.

[@haimteicherteicher4227]

thank you. very good video as always. Can you comment in future videos on how long it has taken for the glue is dry and ready each time you remove the clamps? it would be helpful. Thanks again.

[@maestrokimon]

Thank you! You can use the guidelines mentioned on the glue, otherwise overnight waiting as sufficient to remove the clamps and 24 hours before you apply tention.

[@philipgregorysougles1744]

Great video Kimon, I'm no expert but when I try the reamer usually I apply too much stress. I've broken a few rosewood keys from overstressing

[@maestrokimon]

There are a couple of reasons why pegs brake. Poor wood the the obvious one! But a good calibrated pegscraper make is easier. You have to look out that the blade dosné extend to much and go too deep in the wood. Maybe I'll make a video about it soon.

[@philipgregorysougles1744]

@@maestrokimon Thank you Kimon, you are so helping!

[@kentuckysmallbatchstrings4569]

Where do you find such thin ply wood?

[@maestrokimon]

I buy it in a shop that sells supplies for RC airplanes. Thay also call is Airplane-plywood.

[@adamsmith786]

I wonder which one is easier to make: a big instrument - cello, or a smaller one - violin...

[@maestrokimon]

The big one needs the muscle as it is a lot of work. The smaller doesn't have so much space to move!

[@EDEPole]

Overused joke, but bear with me: "How many clamps do you need as a luthier?" "Yes."

[@maestrokimon]

There is no number! It's only a matter of money!

[@nancymilawski1048]

@@maestrokimon I thought the answer is one more than you have. 🤣🤣🤣🤣🤣🤣

[@maestrokimon]

You are always missing that last one! 🗜️🗜️🗜️🗜️

[@marcopilati7464]

hpw could Amati and Stradivari have available such a 0.5 mm wood sheet?

[@maestrokimon]

They didn't, and so they didn't have this kind of plywood.

[@michel_leblanc]

Maestro - can you tell me where I can purchase the plywood you using?

[@maestrokimon]

It's called airplane plywood and I buy it in a small model shop in my city. You will have to look online.

[@michel_leblanc]

@@maestrokimon thank you for taking the time to reply

[@RedRose4711]

Second

[@maestrokimon]

🥈

[@carlostorrecilhas3794]

First

[@maestrokimon]

Welcome! 🎉🎊 🥇

[@melissachacon2181]

I would suggest you talk about fast hair growth fortified shampoo to double hair growth.

[@maestrokimon]

Sorry? What do you mean?