Main Discussion Area > Horn Bows
My horn bow build-a-long
bownarra:
DC has got it :)
Dried glue is only glue :) Measuring is done by weight.
stuckinthemud:
So if I make gellatin glue from powder the weight of the powder is the same as if it were made up and dried out glue sheets
DC:
Yes with a but. The weight of the "dry" glue will vary with RH so there will be a little difference. Not enough to worry about. You may be more anal than me ;D ;D. The only reason I mentioned it is that I went on a search for this and wound up on some luthiers sites. These guys define anal. I just didn't want to give you my opinion and have you find a luthiers site that made me look like a liar. ;D ;D ;D
DC:
How long can I leave the sinew between layers? I've cut the tip of my index finger fairly badly carving a 1/4" long eagle for my grandsons model railroad. Adam says two weeks max between layers and then says in the curing section that if, after 3 months,if it's not thick enough to add another layer. I think there is enough sinew on it now but it's close and I'm not sure how much more it's going to shrink. It's 361 grams at the moment. It was 440 right after the last layer.
stuckinthemud:
Isnt there a recommended thickness? I think the recommendation for a top-up after a few months is only in case the sinew shrinks to below the required thickness after it has cured. If you've got the right amount on there then you probably shouldnt add any more, I'd leave it cure and once its all done you'll accurately know what to add or even sand away
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