Main Discussion Area > HowTo's and Build-a-longs
bamboo laminate build along anyone?
killir duck:
i been wondering about a bow like this as well, would love to see a build along
boughnut:
ok so last night I finished up narrowing the bamboo down to roughly 1.5 inches. it is not perfect and does not need to be at this point. Tonight I ran my plane down the belly side untill it was flat yet again it is not perfect and does not need to be at this point slightly thicker in some spots than others. I have it in the heat box now. the reason for the heat box is to temper the boo this also swells the belly in turn taking some of the crown off back making the bamboo flatter. this is not 100% necessary but does help if you are going to heat once glued to heat cure the glue. If you do not temper the boo first and heat cure the glue the boo will swell and your glue joint will fail. when it is done tempering I will show in more detail what I mean. I like to temper my boo between 180 and 200 degrees for 3 to 4 hours. my heat box will reach 300 degrees with all 4 lights running and roughly 180 with just two. I use the 300 degrees for other stuff. and if any one is wondering no 300 degrees is not a danger of fire (if you are careful with what you put in there) it does melt plastic. Paper does not even combust until it hits a little over 400 degrees. Once the boo is done tempuring and has slowly cooled I will re flatten the belly.
Oh very import and forgot to mention this bow is going to be roughly 45 pounds at 28 inches and 66 inches over all length so I have already cut the boo down to 66.5 inches leaving a little wiggle room for the glue up. It will be a deep D/R with hopefully above average speed for its poundage and a 2 to 3 inch finished out back set. This is for hunting so no need to get to much back set in there as I want her to survive the riggers of practice shooting and hunting in the field for years and years.
If you notice my plane blade was set to cut to deep at first I had to take it out and sharpen it after last night she was a bit dul did I mention I have not use it in a long time :o any way got her adjusted and you can tell big difference between the sizes of the big and little shavings. You want to make sure to go slow and only remove little bits as a time. I did not do a very good job at sharpening the blade as the shavings kept breaking over and aver only about 1/2" long each. but it got the job done. so now I wait for it to temper.
raghorns:
I'm going to be watching...thanks!
boughnut:
boy oh boy let me tell ya now if you have room for a small table top belt sander and can afford it it will sure save you lots of work I forgot just how much work this is with all hand tools I spoiled my self with all my power tools. this will bring back some memories from the past of building these in my living room as a bachelor with all hand tools before I had a shop and more tools than I know what to do with. but non the less will be fun. If you have a wife or girlfriend that lives with you I suggest not doing this in the house haha man those where the days bows buds and beers.
hedgeapple:
I am watching this build a-long closely. The site never ceases to amaze me. I get an idea in mind for a project and within a couple weeks someone does a build a-long or post to answer me questions. This happens about 85% of the time.
I have a piece of DKnight bamboo and a belly split of an osage stave that I've been thinking should come together for a R/D bow, with a hickory power lam.
I've alread learned a bunch. Tempering bamboo--I'd never thought of that. Keep it coming.
Oh, I'll be using a belt sander, so if you can throw in any advice there, I'd appreciate it.
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