Primitive Archer
Main Discussion Area => Bows => Topic started by: jeffp51 on May 21, 2019, 12:26:38 pm
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You know when you have been working a piece too long and you stop being able to see it right? That's where I am with this one. I am at my desired weight, and I have about 250 arrows through this one now, but I am thinking the bottom limb is a little weak, and I need maybe a scrape or two off the top. What do you see?
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Seems that lower limb has some deflex. It means that limb would look more worked in full draw, to seem softer. Upper should look little stiffer than lower, according to unbraced pic. Yes, I think you should scrape a little middle third of upper limb but not too much. It should look just a bit stiffer.
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my two cents,, how does it shoot,, if great,, then the tiller is ok,,
it does appear braced the bottom limb is a bit weaker,,
at full draw not so much,, so your call,, sometimes on longer bow,, that much difference is not effecting the way it shoots too much,, if you dont mind loosing a bit of weight,, you could scrape the top limb a bit,,
how are the arrows flying,,???
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+1 Brad. If that close it’s a matter of is it shooting well and holding its profile. You can end up scraping away 10 lbs chasing a perceived 1 lb issue.
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Wow, I guess I don't see what you guys see. It almost looks like the bottom fade area is a weee bit stiff at full draw.
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You could be right. So scrape the bottom limb near fade. Then you will need to scrape the top to even the tiller out. At some point you gotta call them done and this one is awfully close.
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Invert your picture and you'll see the lower is bending too much.
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If it shoots well, and no reason why it should not, it's fantastic.
Nicely done.
Jawge
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It looks pretty good to me. Bottom limb maybe a tad weak but if it shoots good I’d probably leave it alone.
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The concern is that the bottom limb is showing the stress and it may increase over time. Lots of folks are plagued by that.
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Can you turn it upside down and take another full draw picture?
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I think I'm seeing the same issue that Druid addressed. The upper limb needs to bend more going into the tip, not as much of that limb is working as is the lower.
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The concern is that the bottom limb is showing the stress and it may increase over time. Lots of folks are plagued by that.
I know I've struggled with avoiding it. Takes some real skill and foresight to end up with a bow that is perfectly balanced in the hand.
Yours looks pretty good to me though. Maybe just some careful scraping up top...
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I agree with you and a lot of people here that the top limb seems slightly stiffer than the bottom. To my eye at full draw it looks like its slightly stiffer in the first few inches out of the fade and thats what is putting the limb at a different angle. I think I am the first one to mention it being slightly stiff there, so I am prepared to be wrong.
I think DC's idea to flip the bow is a good idea, but it looks like the handle is already shaped for the current top limb to remain that way. As far as whether to give it a couple scrapes on that limb (wherever you decide it needs it), its a tough call but I would probably go down that rabbit hole. But then again, I've learned about myself that if I don't take a bow as close to perfect as my skill level allows, It'll end up not getting used.
Anyways, I'm looking forward to seeing what you decide to do, be it finish the bow up or take a couple scrapes at it.
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this bow has fought me the whole way. I tried to get past a knot at one end and ended up getting the last third a bit narrow on both sides, which caused my recurves to pull out more than I wanted and lifted a pretty good splinter on the back. I backed and wrapped with sinew, which has solved the back problem, I believe, as I have over 200 arrows through it now. So I made a new fast flight string, as the tillering string I was shooting with was too thick for my arrow knocks, but the new loops were thin and slipping from the temporary knock-grooves, so I added the horn tips I was planning on using, and somewhere in the process the tiller is now a little off. I hope it holds up and I can clean up the top limb (you all are confirming what I see in the picture) without loosing too much draw weight. I will probably do a single scraping session and then let it be and deal with it. It shoots okay, but not as smooth as I would like, there is a little jump in the hand, but that might still be slightly tight arrow knocking not allowing a clean release.
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The concern is that the bottom limb is showing the stress and it may increase over time. Lots of folks are plagued by that.
+1 ... been there done that.
Del
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ok Ill go down the rabbit hole a bit,, even though I think you done a great job,, and with proper arrow it probably shoots great ,,,
as mentioned . the bottom limb may have not settled in,, but it is bending more at rest, ,making it difficult to judge the tiller,, so really the only way for me to feel good about it is shoot it ,,
or have some one you respect shoot it,,
that being said,, if you are unhappy,, taking some off the top limb is not gonna hurt it at all,,
and if it makes you feel like it is shooting better,, then great,, all your options are open and it should be a great bow,, nice save on the splinter,,
here is where I go down the rabbit hole,, it looks like you may be gripping the bow a bit hard, ,this could cause the thump you are experiencing,,try shooting with a loose grip,, proper string and arrow,, dont judge the bow till you have the proper string arrow and grip it likes,, :) and I guess the poinit is,, how it is shooting trumps,, how you think the tiller looks,, on a stave bow,, the way the wood is bending can be decieving to the eye, but not how the arrow flys ..
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You have any profile pics before you shot all those arrows?
That’ll tell you straight up if your bottom limb has gotten weaker
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Both limbs have taken some set, for sure. The stave was verystraight until the last 6 inches or so, which had some reflex. That is where the trouble actually began. I tried to put in the hooks a little early, before it was bending much. Which led to hooks out of alignment, which made bracing hard, which (along with trying to get past a knot that I should have left in) led to taking too much off the tips too early, which led to the splinter. . . I am surprised it shoots at all.
And yes I am gripping too tight. I was focused on keeping the limbs upright and not so much on my form.
I took a couple of scrapes (enough for one pencil mark) in the two areas on the top that looked stiff to me. I also sanded a bit. I think it looks better, but the photos didn't turn out well (background clutter). I'll take another picture, and shoot some more when it stops raining. But I am probably close enough to leave it alone. I hate fixing stuff till it's broke. . .
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If to pull the bow to the full draw by the mirror, the grip moveing should show You which limb is stiffer.
My bad english... do You understand what i mean .. :D?
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So since you started with a straight stave and it is showing some set I would not cut off a piece of the top limb. If you are concerned about loosing weight you can try to heat treat the bottom limb a bit. I did the same thing with my last yew bow and it holds up perfectly after a few thousand arrows
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If you are concerned about loosing weight you can try to heat treat the bottom limb a bit. I did the same thing with my last yew bow and it holds up perfectly after a few thousand arrows
Did You heat treat sinew backed bow?