New Bow confusion

[McDave]

Didn't notice if this is a three piece bow, but if it is you can get a lot of vibrating noise from the limb bushings.  If this is happening you should be able to hear it if you pound on the riser with your fist when it is braced but not drawn.  To diminish it, wrap the non-threaded parts and beveled heads of the limb bolts with the Teflon tape you use to seal pipe joints.

Another thing that sometimes happens is a defect where the limbs are not in alignment with the center line of the bow.  If this is present, it can cause all kinds of problems and the bow should be returned to the bowyer.  This is different from limb twist, which shouldn't be a problem on a r/d longbow.  This photo shows limbs that are in alignment with the centerline of the bow; if they were not, the string would be to one side or the other of one of the centerline markers.

[Alexander Traditional]

Unless that bow is cut past center,I can't imagine with the arrows cut down that short,and that light of point weight that those arrows aren't stiff. If they are flying good though I would just work on ways to get it more quiet. It seems like the .600 should have worked well.

I was thinking 600 would have been the ones too but they showed nock left BAD left all the way down to 29".  500's full length with the 150 was slightly nock right.

I guess you have to do whatever works for ya,but your thread got me to thinking. I took a bow I have that is cut to center and is 43@28. I took some .600 full length,and put 145 up front and got perfect flight. I haven't had this bow out in a while,but got that combo to work very well. I will be very interested to hear what happens with your set up. I hope you don't have something more serious at work.

[JAH518]

Sounds like you have tried about everthing any sensible experienced archer would try.

Too have that much noise is weird and the severe string slap is unusual.I have had some bows have a tendancy to bite my forarm a bit.But nothing severe.I typically would raise the brace height for that  problem a bit.

Just for an experiment try rotating your bow arm out a bit more and bend your arm a bit more (Kinda hill style) and see what happens to the noise without the string slap?

I was thinking it might be out of tiller as well and the limbs are not recovering as they should.

I've tried this a few time and again this evening. It takes a small bit of the noise away but none of the extremely loud dry fire twang. It's puzzling.

[JAH518]

McDave,
  Great information! I haven't thought of checking this. The bow is a 2pc takedown bow bolt system. I noticed tonight the if I wrap a piece of cloth around the joint and grip it extremely tight it dampened the sound more than anything thing else I've tried yet.

[JAH518]

Unless that bow is cut past center,I can't imagine with the arrows cut down that short,and that light of point weight that those arrows aren't stiff. If they are flying good though I would just work on ways to get it more quiet. It seems like the .600 should have worked well.

I was thinking 600 would have been the ones too but they showed nock left BAD left all the way down to 29".  500's full length with the 150 was slightly nock right.

I guess you have to do whatever works for ya,but your thread got me to thinking. I took a bow I have that is cut to center and is 43@28. I took some .600 full length,and put 145 up front and got perfect flight. I haven't had this bow out in a while,but got that combo to work very well. I will be very interested to hear what happens with your set up. I hope you don't have something more serious at work.

with a few thinking I could be a little off with the 500's I took a fresh 31" 600 and started shooting and trimming again. I came to the same result again, all the way down to 28.5" this time and still weak. 

[Alexander Traditional]

I'll be!

[Steelhead]

So do you think their is a little bit of play in the bowbolt?Causing the 2 halves to vibrate against each other.

I would check the joint both strung and unstrung holding it up against the light might help to see if any light is shining through the joint.

Can you get a piece of electrical tape around the bolt on one of the surfaces and still get it to do the quarter twist without the tape coming off.Then test it to see if it muffles the noise?

[JAH518]

So do you think their is a little bit of play in the bowbolt?Causing the 2 halves to vibrate against each other.

I would check the joint both strung and unstrung holding it up against the light might help to see if any light is shining through the joint.

Can you get a piece of electrical tape around the bolt on one of the surfaces and still get it to do the quarter twist without the tape coming off.Then test it to see if it muffles the noise?

When it is unstrung the joint looks perfect all the way around. When strung you can see a gap about the thickness of a piece of paper in the front and a quarter of the way back on both sides. I a picture of it but can't get it to post.

[nineworlds9]

Unless the tiller is off that tiny gap in the bow bolt mating surfaces shouldnt hurt a thing.  I have owned a number of bow bolt bows and some had that tiny gap at the back when strung and it never causes a noise, at proper BH the limbs stopping on the shot should prevent any movement there. 

Speaking from experience with many bows and bowyers I can tell you for certain that "stock" strings on new bows are an afterthought for most bowyers. They are mostly there to get the bow out the door in a shootable condition. Some bowyers do a decent job making the strings themselves others are atrocious, some farm the making out with similar mixed results.  There are only a handful of bowyers out there who truly give the string making the attention it deserves or farm it out to someone truly competent.   Flemish string making is an art unto itself contrary to what some will say.  The string makes the bow, it is like the tires on a car.  I think you should strongly consider ditching that stock string for a custom.  I can emphatically recommend the following three makers who are my go tos Ten Ring Strings, Mountain Muffler Strings, and RMSGear.  Material wise it is largely personal preference but Id recommend against any of the older materials and go with something from the newer gen and not too skinny.  Measure your string length in a manner where your string wont end up with too many twists or not enough, both ends of the spectrum can contribute to noise IMO. 

[Crittergetter]

Unless the tiller is off that tiny gap in the bow bolt mating surfaces shouldnt hurt a thing.  I have owned a number of bow bolt bows and some had that tiny gap at the back when strung and it never causes a noise, at proper BH the limbs stopping on the shot should prevent any movement there. 

Speaking from experience with many bows and bowyers I can tell you for certain that "stock" strings on new bows are an afterthought for most bowyers. They are mostly there to get the bow out the door in a shootable condition. Some bowyers do a decent job making the strings themselves others are atrocious, some farm the making out with similar mixed results.  There are only a handful of bowyers out there who truly give the string making the attention it deserves or farm it out to someone truly competent.   Flemish string making is an art unto itself contrary to what some will say.  The string makes the bow, it is like the tires on a car.  I think you should strongly consider ditching that stock string for a custom.  I can emphatically recommend the following three makers who are my go tos Ten Ring Strings, Mountain Muffler Strings, and RMSGear.  Material wise it is largely personal preference but Id recommend against any of the older materials and go with something from the newer gen and not too skinny.  Measure your string length in a manner where your string wont end up with too many twists or not enough, both ends of the spectrum can contribute to noise IMO.

This^^^^^^
Can’t put enough emphasis on the benefit of a quality string.
I also played with different materials till I found the one that performed the best with my bows. The material chosen and number of strands can make a huge difference in its self!

[CEW]

I've had that happen before. Turned out the way I was gripping the bow didn't get along with the bow. Went to a gripping it with a higher wrist and it smoothed out.

[JAH518]

So do you think their is a little bit of play in the bowbolt?Causing the 2 halves to vibrate against each other.

I would check the joint both strung and unstrung holding it up against the light might help to see if any light is shining through the joint.

Can you get a piece of electrical tape around the bolt on one of the surfaces and still get it to do the quarter twist without the tape coming off.Then test it to see if it muffles the noise?

So I decided to try putting electrical tape between the two halves where the gap is when strung tonight. Very first shot I could notice a big difference. So I put 20 -30 arrows through it and the results were amazing. All of the harmonic twangy dry fire ringing sound was gone. I could now actually hear the arrows impacting the target. The only sound left is the string sounding like it needs a good pair of wool puffs and not the cat whispers. As happy as I am now that I know I can quite this thing down I'm just as disappointed that this is the issue.

[Steelhead]

Glad to hear my suggestion worked.It was a shot in the dark and kinda a hunch I had with all the noise feedback you were getting.I have never had to that with any of my bowbolt bows personally.I did put some felt between a connexion hinge 2 piece T.D once.

I understand your happy and bummed at the same time.New bow after all.Talk to bowyer.Some tolerances must be off a bit with installation

Yaa,wool puffs thier my favorite.Nice really dense smaller ones trimmed into the perfect circle!:)

[Orion]

When I offered my input, I didn't know you were shooting a two-piece bow.  Anytime there's excessive noise from a two- or three-piece bow, the joining/attachment system is the first place I look.  Glad you found the problem. 

[trad_bowhunter1965]

So I decided to try putting electrical tape between the two halves where the gap is when strung tonight. Very first shot I could notice a big difference. So I put 20 -30 arrows through it and the results were amazing. All of the harmonic twangy dry fire ringing sound was gone. I could now actually hear the arrows impacting the target. The only sound left is the string sounding like it needs a good pair of wool puffs and not the cat whispers. As happy as I am now that I know I can quite this thing down I'm just as disappointed that this is the issue.
[/quote]
I would call the bowyer to see if he would fix it.

[Deno]

Jeff
I would contact the bowyer asap before any warranty or replacement time flies by. It's a new custom bow.  It shouldn't do anything like you're describing.

Deno

[Petrichor]

Jeff
I would contact the bowyer asap before any warranty or replacement time flies by. It's a new custom bow.  It shouldn't do anything like you're describing.

Deno

X2

[JAH518]

Jeff
I would contact the bowyer asap before any warranty or replacement time flies by. It's a new custom bow.  It shouldn't do anything like you're describing.

Deno

X2

Thank you to everyone who gave input even tho I didn't provide all the need info upfront.  Sorry Orion. I'm contacting the bowyer today.

[nineworlds9]

I still think you should get a new/better string. 

Also, a tapes thickness gap in the bow bolt doesnt account for the arm guard and face issue, hows that going?

[JAH518]

I still think you should get a new/better string. 

Also, a tapes thickness gap in the bow bolt doesnt account for the arm guard and face issue, hows that going?

Both are still there although last night with the tape in place I was not striking the arm guard as bad. I've been placing blue painters tape on the guard to track it and last night 1 piece of tape lasted the hole time I shot. it did show strikes but before i was replacing the arm guard tape every 2 or 3 shots. I don't know how or why this was different but it was. the face strike is still there and still as confusing. I've decided to focus on the most annoying problem first in hopes it relates to a fix in the rest, this being the noise.