Grain runoff on board bow fix

[Ryan9273]

I've got a nice red oak board to floor tillering process but on the back there is grain runoff on both ends is there a type of lashing\glue combo to beef that weak section up during the finishing process?

[Pat B]

Its not a nice board for bow building if it has runoffs. You can band aid it with wraps but you'd be better off finding a better board.

[JW_Halverson]

Rules are rules and you shall never break those rules until you learn how to break those rules!  Ha!  So there!

That being said, post pics of the offending run-offs and we can speak more specifically to avoid these vague generalities.  For now, the answer is no, but then again, maybe yes.   

[bubby]

Post pics and dimensions
But in reality you can't fix runoffs as it's an integrity issue with the foundation of your bow but we may be able to help

[bowandarrow473]

If the runoffs are at a shallow angle and there are only one or two then you should be fine as long as the board is mostly latewood. Just my personal experience with red oak though.

[George Tsoukalas]

I allow 2 run outs per limb max for a 50-55#  selfbow.
Anymore than that and I reject it because I don't like backing bows.
But backing adds a little insurance.
More on my site.
http://georgeandjoni.home.comcast.net/~georgeandjoni/index.html
Jawge

[Ryan9273]

Well I can't seem to take a pic when I try to upload I get unable to complete process due to low memory. On a cheapie phone but very thick late growth I'm down to 1/2 in thickness with 3 late and 2 early with 1 runoff on both side both about 10" from tip

[bowandarrow473]

Sounds to me like it'll be fine with only one runoff on each limb, I've made poorly tillered red oak bows with two to three run outs on each limb back when I had no idea what I was doing.Are your limbs only 1/2in thick or did you mean you reduced the thickness by half?

[Ryan9273]

I had reduced the thickness from 3/4 to 1/2 with hand plane. So should I leave it as is and continue or to be extra sure how would u reinforce that area? Thank you guys for your help I really like this community.

[bowandarrow473]

Keep going, if not over stressed I don't think it will break. Just a word of advice though, assuming your limbs are around 2in wide tapering to 1/2in wide nocks then 1/2 in of thickness will give you a light bow under 30lb I would think. Don't know if that's what your aiming for or not just thought id let you know.

[bubby]

I think depending on the wood and length of bow and draw he can get up to 50#

[bowandarrow473]

I'm assuming his draw is average and that the bow is in the mid to upper 60s in length.

[Ryan9273]

End product will be around 68 ntn. Just got back from canoeing so time to do some work on the board. As is its half in thick 1.5 wide and tapered to 1/2 in nocks from 22in. I have a hope for around 40-45 lb @28" is that feasable? Bendy handle?

[bowandarrow473]

I would think that at those dimensions you would get more like 20-30 lb. most of my really old red oak bows are 45-55 pounds and about 1/16 in under .75in at the handle tapering to around 5/8in at the tips. Just what I think though, Bubby and all the other guys know significantly more than I do, maybe they'll chime in with what they think.

[bubby]

At those demensions and at a half inch thick with a bendy i doubt you get forty# is the whole thing 1/2" thick? Bendy handle drop the length to 62" ttt