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It is amazing how much difference .2 or even .1 millimeters can make! Take it down to .0825 (about 2.1 mm) and you'll see/hear/feel a world of difference.
Good luck.
-j.

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“If God dwells inside us like some people say, I sure hope He likes enchiladas, because that's what He's getting”
-jack handy

I take it you are bending a venetian as well ?? I would go more like 70 thou there, more if its a tight one.

If this is a dry wood, ie loses moisture easy when bending, I would wrap in foil ( i always do anyway, I have blue spring steel which stains if I dont), forget the paper. The moisture cant really escape the foil, and the bend will be easier. In the fox, I am a bit slower then mentioned above, more like 1/2 to 3/4 turn every 30 seconds or so. Then go really slow with the spring caul on the upper bout - the lower never seems to be a problem, it can go much faster.

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Tony Karol
www.karol-guitars.com
"let my passion .. fulfill yours"

Also are using a backing slat? I mean a piece of steel on top of the wood to give support. This wouldn't help with the waist cracks you show but it will with the cut away.

I will also second several motions made here;
Try HHG or even white glue for a more invisible repair.
Wrap your sides in tin foil it seems to help keep the moisture in.
Make em thinner. Much thinner at the cutaway.
Go slow.

I had similar trouble with bubinga sides and the above steps help me get the job done.

Good luck

Thin the sides more, (.075" - .080") Don't use too much water as this will tend to weaken the crossgrain in the figure but do use the craft paper slightly wet. Use good heat 280°-300° and most of all, take your time and go slow. Are using spring support on the waist and cutaway? If not, I highly recommend it for figured wood.

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Tickle your guitar daily, and it'll tickle you back.

Thanks guys for all your input. I am using slats and next time will thin the wood a bit more.... The Zootman is sending me another set....don't think I'll be able to salvage this one!

live and learn....

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Peter M.
Cornerstone Guitars
http://www.cornerstoneukes.com

Peter, i'd go with Tony's advice, 0.070" wrapped in foil and maybe some kraft paper inside the wrap as well if that woood loses it's humidity fast, just a thought!

Good luck with the cutaway bro!