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My horn bow build-a-long

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bownarra:
If you are close to using your allotted amount of sinew then make sure to reflex it more after the last layer is added. The tips should be close to touching. This also helps with stopping delamination between the sinew layers.
The trick with sinewing is to try and establish the shape you want after the first layer then you only have fine adjustments to make on subsequent layers.

stuckinthemud:
Thanks for posting this thread, I've been saving it up to read in one go, my build stopped when I could not get perfect core wood, changed jobs, life got hectic, blah, blah, blah.  I have a copy of The Book and I have read it many times and still struggle with lots of information I need as a novice that is missing - the earlier explanation of glue percentages, for instance, finally answered a question I have been unable to get my head around since I first read The Book three or four years ago.  Anyway, this thread is really inspirational and very, very useful, so many thanks.
Andrew

bownarra:
Once you have read the book AND made a few bows you will realize that ALL the info you need (and more) is there. You may not realize it but it is there :)
Practical experience trumps all when it comes to learning the intricacies. You simply need to roll the sleeves up and have a go to start the real journey :)

stuckinthemud:
I agree that the information and more is there and find the book excellent in almost every way, I have unreservedly recommended it and even managed to print off a hard copy, but, it is not without its frustrations, and that is where threads like this come in, coming back to the glue issue, for instance, I mix glue from powder, so, 30% is a bit tricky to understand, is that by weight, by volume or by made and dried glue? Is made and dried glue always the same strength? So, when the solution (sorry couldn't resist that pun) pops up in a thread like this it just fills in the holes that the writer assumed we all know.

DC:
When I made a 35% glue I used 35 grams of dried glue and 65 grams of water. I'm thinking that within 5-10% is close enough. As it's sitting in the pot the water is evaporating and then you add "a bit" of water to thin it out again I'm sure the concentration drifts around that much. Made and dried glue depends on your definition of the word "strength". If you mean "concentration" then dried glue is dried glue. When you make glue the first pour will be a stronger(physical strength) glue than subsequent pours.

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