arrow lenght
#1
My son in law recently bought some new arrows from our local bow shop where he purchased his bow. Instead of measuring his draw lenght and cutting about 3 inches off the aluminium arrows the guy manning the store said that it was best to leave the arrows long as they would fly better. I don't really know enough about the dinamics of arrow flight but I've always had my arrows cut off so only about an inch and a half stick out past my fist. Is this bow specilist passing out bad information. Or does it really matter as long as the extra lenght doesn't bother you.
#3
He technically didn't pass out bad information, however he should've put your son into a correct arrow spine per his bow config and measurements.
Depending on the arrow your son picked, a longer arrow would be proper due to the arrows spine. IF cut the arrows spine could have been too stiff for the bow, however if that were the case, the shop worker should have recommended a fix like the properly spined arrow at the correct length optimizing the bows performance.
Sounds like a lazy shop worker unless your son was adamant about the arrow he selected.
<font color=blue>Good Luck and Good Shooting</font id=blue>
<font color=red>Rob</font id=red>
Depending on the arrow your son picked, a longer arrow would be proper due to the arrows spine. IF cut the arrows spine could have been too stiff for the bow, however if that were the case, the shop worker should have recommended a fix like the properly spined arrow at the correct length optimizing the bows performance.
Sounds like a lazy shop worker unless your son was adamant about the arrow he selected.
<font color=blue>Good Luck and Good Shooting</font id=blue>
<font color=red>Rob</font id=red>
#4
Rob is right but I would like to add something.
If an arrow is out in front of your hand that far,then the arrow isn't as forgiving as if the point of the arrow was directly above your hand.to prove this lay a pencil on top of your hand and pretend you have your bow in your hand.Now twist the hand and see where the point is.If the point is above your hand,it doesn't move as much.If way out in front,the point moves a lot.This is the direction the arrow is pointed from the start.
My point is that an arrow cut off to the right length is more forgiving than 1 way too long or 1 way to short.This is 1 of the main reasons we don't use overdraws anymore.
If an arrow is out in front of your hand that far,then the arrow isn't as forgiving as if the point of the arrow was directly above your hand.to prove this lay a pencil on top of your hand and pretend you have your bow in your hand.Now twist the hand and see where the point is.If the point is above your hand,it doesn't move as much.If way out in front,the point moves a lot.This is the direction the arrow is pointed from the start.
My point is that an arrow cut off to the right length is more forgiving than 1 way too long or 1 way to short.This is 1 of the main reasons we don't use overdraws anymore.
#6
Whackmaster,you are correct that the rest is the overiding factor but I still think that an arrow that is way too long is not as forgiving as 1 that is the right length.Notice I said forgiving and not accurate.
Why does Easton reccomend the arrow to be 1" past the rest instead of 2" or 3".I believe it has to do with the sweet spot.I know it has to do with their spine charts but I believe it is more than that.
I have discussed this with some pro's and some seem to agree and some may disagree.I could be wrong,It has happened once before.<img src=icon_smile_big.gif border=0 align=middle><img src=icon_smile_wink.gif border=0 align=middle>
Why does Easton reccomend the arrow to be 1" past the rest instead of 2" or 3".I believe it has to do with the sweet spot.I know it has to do with their spine charts but I believe it is more than that.
I have discussed this with some pro's and some seem to agree and some may disagree.I could be wrong,It has happened once before.<img src=icon_smile_big.gif border=0 align=middle><img src=icon_smile_wink.gif border=0 align=middle>
#7
Here is the way I see it.
Take an arrow that is 1" past the rest and torque the bow and watch the point of the arrow.Arrow point doesn't move that much.Now pretend that you have released the arrow and picture in your mind how much the arrow moves to bring the arrow back to a straight path.
Now do the same thing with an arrow that is 4" past the rest.You can see that the point is much farther away from center of the rest.Now pretend that you release the arrow and picture how much more movement the arrow has to go thru to get to a straight line path.
This is what is meant by forgiving.On a perfect shot it doesn't matter but a less than perfect shot will show more erratic flight.Resulting in downrange innaccuracy.
I also feel that balance is a contributer.You have put the rest closer to center of the shaft and this is going to give the arrow a tendancy to want to nose dive instead of letting the rest do it's job.This is the very thing that makes a fallaway less forgiving than a standard rest.Both are very accurate.I also use both but from experience,I can honestly say that a standard rest is more forgiving.It has been proven on machines that a rest that holds the arrow longer is the more forgiving rest.
Sorry to get off topic but everything is related and I just love this stuff.
Edited by - tfox on 09/18/2002 00:20:54
Edited by - tfox on 09/18/2002 00:21:36
Take an arrow that is 1" past the rest and torque the bow and watch the point of the arrow.Arrow point doesn't move that much.Now pretend that you have released the arrow and picture in your mind how much the arrow moves to bring the arrow back to a straight path.
Now do the same thing with an arrow that is 4" past the rest.You can see that the point is much farther away from center of the rest.Now pretend that you release the arrow and picture how much more movement the arrow has to go thru to get to a straight line path.
This is what is meant by forgiving.On a perfect shot it doesn't matter but a less than perfect shot will show more erratic flight.Resulting in downrange innaccuracy.
I also feel that balance is a contributer.You have put the rest closer to center of the shaft and this is going to give the arrow a tendancy to want to nose dive instead of letting the rest do it's job.This is the very thing that makes a fallaway less forgiving than a standard rest.Both are very accurate.I also use both but from experience,I can honestly say that a standard rest is more forgiving.It has been proven on machines that a rest that holds the arrow longer is the more forgiving rest.
Sorry to get off topic but everything is related and I just love this stuff.
Edited by - tfox on 09/18/2002 00:20:54
Edited by - tfox on 09/18/2002 00:21:36
#9
#10
Joined: Feb 2003
Posts: 3,457
Likes: 0
From: East Yapank NY USA
I have to agree with Whackmaster on this one. The longer arrow's tip moves more but it has to be on the same "line" as the shorter one.
If you tourqed the bow with the shorter arrow and then magically added 10" to it, the tip would be further off line BUT, the arrow would still be pointing in the same direction
If you tourqed the bow with the shorter arrow and then magically added 10" to it, the tip would be further off line BUT, the arrow would still be pointing in the same direction


