Slinging.org Forum - long bow in progress

Sarosh Funditor Offline Posts: 673	Re: long bow in progress Reply #15 - Mar 15^th, 2019 at 6:24pm haha a hammer big enough can be a solution to everything. i use this kind of scale : https://www.amazon.de/ECD-Germany-H%C3%A4ngewaage-Analog-Forstwirtschaft/dp/B07L... only difference max is 100kg
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walter Interfector Viris Spurii Offline Slinging Rocks! Posts: 2245	Re: long bow in progress Reply #16 - Mar 15^th, 2019 at 8:22pm 45lbs @ 231/2". Think I have a hinge
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Sarosh Funditor Offline Posts: 673	Re: long bow in progress Reply #17 - Mar 16^th, 2019 at 4:18am i dont see it from the photo, there might be picture distortion from camera. I don't understand 231/2".
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walter Interfector Viris Spurii Offline Slinging Rocks! Posts: 2245	Re: long bow in progress Reply #18 - Mar 16^th, 2019 at 9:57am 23 and 1/2 inches draw length. It looks like there is a slight hinge on ghe bottom (right) limb just past the fades.
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walter

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Re: long bow in progress
Reply #19 - Mar 18^th, 2019 at 10:12pm

I have to keep droppng the weight due to disc disease and a hernia patch that I have ridged. Not much pain from either physical problem, but I really do not want another hernia operation Angry

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I am at 45lbs @ 24 1/2" in this pic. Going to 27" and will sand the crap out of this bow, which is already sold. Next one too Huh

Thknk I got rid of the hinge today.

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walter

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Re: long bow in progress
Reply #20 - Apr 10^th, 2019 at 7:19pm

Hit a stone wall. aridity. serious lack of moisture in the air. Humidity as low as 26%. Highest was 51%. LOL, draw length would decrease a couple inches every day @ 45lb.
Going to get a 4" diameter pvc pipe to keep a bow I am working on. Should be able to get and hold 50% in the tube.
Pic of braced bow and drawn to 22 @ 45lbs, which I believe to really be 28".

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joe_meadmaker

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Re: long bow in progress
Reply #21 - Apr 11^th, 2019 at 9:51am

The moisture drop is a concern. If the moisture content of the wood gets too low, the bow will more liable to break. The PVC pipe idea sounds like it could work. Another thing you might try is to put a coat of oil on the bow. I don't normally oil a bow until it's finished. But I don't see why you couldn't earlier. Obviously as you're tillering, you'd need to re-oil that area when you stop for the day.

The bow is looking really good

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walter

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Re: long bow in progress
Reply #22 - Apr 11^th, 2019 at 7:08pm

Thanks joe. I want to stain this bow with cherry stain and then put several coats of some kind of varnish to slow down the evaporation rate or to keep it from sucking up too much moisture (it's supposed to be going to Minnesota).
But first, I have to rehydrate it back to 9 or 10% moisture content. Hence the pvc with several little tobacco humidifiers.
I knew I was going to have trouble with aridity, but it has dropped sooner and faster than I expected. By May and most of June, it will drop to 10 and even 6% Undecided

Right now it is

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joe_meadmaker Funditor Offline Posts: 766 PA, USA	Re: long bow in progress Reply #23 - Apr 11^th, 2019 at 8:26pm I see. The PVC chamber is a good thought. And if it does work well, that will certainly be beneficial for working on a bow over a long period of time. I look forward to seeing it once you have it finished.
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Morphy

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Re: long bow in progress
Reply #24 - Apr 20^th, 2019 at 6:38pm

The hydration chamber is a good idea. I'm convinced shifting MC is one of the biggest unseen causes of bow issues, at least in the long term. Hydration Chambers let you keep the bow at it's original performance easier.

You may have considered these options but in your part of the country hickory is king. It will shrug off all but the worst MC abuse and shoot all the faster for it. If you want to get really evil with your design you can do boo/hickory or sinew/tempered hickory (which will shrug off virtually all MC issues, or sinew/juniper etc. Boo/Osage will also be good. White Oak is also worth a shot. I've gotten away with murder with it. Avoid yew, red cedar and other such woods. Red oak is also sort of an iffy one in those conditions but that largely depends on the grade you get. I once found a dark red board of red oak that felt as least as dense and heavy as an Osage board of similar dimensions. Still kicking myself that I didn't buy it.

Do you have any other bows planned? It's hard to build just one. Wink

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walter

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Re: long bow in progress
Reply #25 - Apr 20^th, 2019 at 8:55pm

LOL, I have 3 more! Bought another board yesterday; started on it today. It's 1 1/2" wide x 3/4 x 6' southern red oak. Got the profile done today. Will work down the belly, floor tiller and cut in nocks tomorrow. That is the plan anyway.

Haven't seen any northern red oak or hickery here. Home depot does have birch, but I couldn't find a piece with close to straight grain.
What do you think would be a good finnish that would help keep moisture in?

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Morphy

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Re: long bow in progress
Reply #26 - Apr 21^st, 2019 at 2:29pm

I've always leaned towards spar urathane. It's everywhere, comes in a spray can for even applications and with 7 or so thin coats does a good enough job. That and your pvc pipe should pretty much take care of issues. When in doubt just add a few more coats.

I've seen some people who will dilute heavy duty epoxy with acetone and use a disposable spray applicator. I imagine that creates a pretty heavy duty coat. Super glue is another that takes awhile but I've seen good results with it.

Lastly you might consider marine spar varnish. Ive not used it but it's an intriguing idea.

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joe_meadmaker Funditor Offline Posts: 766 PA, USA	Re: long bow in progress Reply #27 - Apr 21^st, 2019 at 2:56pm I use a 50/50 mix of linseed oil and shellac. Although this is more of a continual process rather than a one and done. I give my bows a fresh coat every year or so. The oil mixture smells really nice and the finish builds up over time.
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walter Interfector Viris Spurii Offline Slinging Rocks! Posts: 2245	Re: long bow in progress Reply #28 - Jun 2^nd, 2019 at 4:08pm The moment finally arrived. Twenty seven inches at 47 lbs
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walter Interfector Viris Spurii Offline Slinging Rocks! Posts: 2245	Re: long bow in progress Reply #29 - Jun 2^nd, 2019 at 4:25pm Wrapped the handle area with 2mm hemp with a short wedge of wood wrapped in for a shelf. Shot it in this am. Love it! The shelf and wrapped handle work good, but look like crap. Going to try padding the belly area of the handle with leather to build it up some and wrap that with leather .
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