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Brace height

546 views 33 replies 10 participants last post by  Grizz67  
#1 ·
How much is too much height? I've read both ways online ...will it hurt bow if its 1" over recommended height?
 
#2 ·
Don't think it's going to cause any damage on a Modern Bow. Doubt that I would leave it strung all the time. Leaving a Bow strung and leaning it against the wall may eventually cause limb distortion because the weight on the bottom limb. Better to sit them in a Rack horizontal in temp controlled environment but best Sage advice is to unstring using a stringer.
 
#7 ·
Your DL is 26 1/2”, so you're starting with a power stroke 1 1/2” less than someone who has a DL of 28”. You want to shorten that by another inch? Do you realize what that does to the energy available to shoot the arrow? I suppose that if someone was able to miraculously shoot bullseyes with a higher than usual BH it would be worth it, but because your string is too short? Drink Coors Light for a week rather than the premium beer, and treat yourself to a new bowstring. Believe me, you'll thank me later.
 
#17 ·
If arrow speed is important to you, as low a brace height as possible and still be quiet for your needs would be best.
I played with very high and very low brace heights on a particular bow and the difference in arrow speed due to the shorter/longer strokes was noticeable and substantial.

starting out with a less than 28" draw and with a higher BH one loses a good deal of the bows powerstroke and what McDave says comes well into play.

proper shot placement however supersedes arrow speed and if you are only going to shoot short shots with it - i dont see an issue with using it.
 
#18 ·
a good read. thanks for starting it Grizz. I'm with the guys saying get it closer to "right". jmho.
I just put together an odd DAS Provantage warf riser and some old Samick Black Max shorts. 65" bow.
string off my wall goes 9" brace .......I plan to take the advice above and get it down around 8-1/2".
THANKS JIM Casto Jr. for loaning us your 13% brace rule.
 
#19 ·
LOL , Coors lite ? Heck no I rather keep drinking Heineken or Becks and leave less in my will to my Secretary !
I once worked with a guy that would buy and drink the cheapest rot gut beer on special from wherever. Last I heard he turned into a " St Pauli Girl " .

Confucius say : never bring a short string to your " Honeymoon " ! ......
 
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#21 ·
13% of AMO bow length should get close to right brace height. Jim Casto Jr. first posted it up, far as I know.
13% is barely over 1/8 so I often divide bow length mentally by 8 to get a starting brace.
THANKS JIM.
 
#25 ·
The increase in noise could be because you have a few more horses under the hood now. It would be interesting to know what a bare shaft would show about your left impacts. If you don't want to bare shaft, you could try arrows with slightly higher and lower spine, and see what happens.
 
#28 ·
Have an arrow showing a tad weak, raise BH a tad. Adding a lot of twists to a Bow string raises BH but may cause the string to have a coil spring effect. Generally better to build a string to proper length with no more than 3-4 twists per inch is preferable.
The string grooves in a Recurve limb can be a reference point. I usually twist the BH till string is about to lift out or a tad higher.
String hitting the recurves is more of an issue with Dacron than non-stretch like D-97.
Have put Mole skin on the curves to help silence them. The late Sid Ball shared a good way to silence the string in the curves when the string hits brace after the shot.
A square of soft Velcro sticky back about an inch square placed were the string meets the curve in static position and allowing it to touch the string about 3/16's of an inch.
Contrary to what most think, the string only makes contact in this area dynamically when the string bottoms out after the shot. I've heard of people using brush busters at the same point to cushion the string along with other rubber like string cushioned like these.
 

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#33 ·
I dunno, I don't notice anything unusual about your equipment that would explain why it should be so far away from the norm. I was chatting with Rick Barbee about 10 years ago when he was experimenting with ultra high BH's on Black Widows. The high end on a BW was 9”, and he was experimenting with about a half inch higher than that and getting good results. Nobody thought it was a good idea, and it violated BW's warranty, but he wanted to do it anyway. I don't remember if he took it any further than that.
 
#34 ·
I know it should be slower but those 500 gr arrows don't seem much difference between both brace heights..and its super quiet,love it .arrows just dropin right it at 15-20.super forgiving ,no hand shock..really smooth draw..gonna weight it tomorrow, see what actual draw at my length is.