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Old 07-29-2008 | 11:08 AM
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Rob/PA Bowyer
Boone & Crockett
 
Joined: Oct 1998
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From: Hughesville, PA USA
Default RE: Compound bow - set up question

ORIGINAL: GMMAT

The arrows elevation on the bow at rest is set in readings that are 90 degrees to the string. The string however would not be perpendicular to the ground if you were shooting at a target 20 yards out shoulder high. The arrow would also not be parellel to the ground.
The string can't be perpendicular to the ground when you're at full draw. Gotcha. And really.....my original question was more from the set-up. But for S's and G's.......why couldn't your arrow be level .....shooting at a 20yd target? Is there nowhere that target could be that would find your arrow level (parallel) to the gorund?

Rob said....

The bow/arrow is set up at level/plumb/center in a vice, not when your holding it. That is designed for the arrow to come out of the bow as straight as possible. Then you pick up the bow, and your raising it to shoot down range.
Tell that to the bubbles on your level They won't read plumb/level if the bowstring/arrow isn't/aren't.

And this....

Think about this Jeff, when you shoot 40 yards, do you not raise your bow? If you were to shoot 60 yards, do you not raise your bow higher? If you put your bow in a shooting machine, plumbed and leveled it so the arrow is level and shot it, it would not make the spot on the 20 yard target. It would not arch up, it would come straight out of the bow and start to drop immediately.
NOW you're going where I wanted you to go. I'm simply "asking"......WHY can't the sight line line (from eye to target) and the arrow line intersect and then reconnect at 20 yds. What I'm saying is the bottome or "arrow" line......isn't a line, at all. "I" theorizing they meet at 8 or so yds (per Matt/PA).....and from there the "arrow" line is above the sight line......and it arches to meet the sight line....at 20yds. I believe it DOES start to drop fairly "immediately".....crosses the other line.....then arches to the target.

I'm not sure it "rises", though......unless someone can explain to me why it has to be set up UNlevel.

When your shooting 20 yards, your not holding the arrow level, your bow is level side to side not front to back.
It certainly "could" be. BUT.....This will help illustrate what I'm saying.....

What if your arrow was perfectly level.......on a parallel line with a line coming from your 20yd target. Now....."I" think your arrow line would be above your 20yd target line.....and the fact that you're looking down from your sight line would make this compensation.

Heck I'm gonna draw it.....I know this is confusing...
No kidding it could be if the target is lower than the shooter but I didn't think we were talking in could be's.

I was explaining as if both shooter and target are on the same level ground at the same elevation.
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