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1.) bluecat - 03/01/2016
I found an article that explains it well. At least, it finally registered to me after reading it.

[url]http://www.lancasterarchery.com/blog/the-three-axes-of-a-bow-sight/[/url]



One of the criteria I have for a sight is it must be able to be adjustable for the different axes.
2.) DParker - 03/01/2016
Yeah, that is a nice, clear explanation. Thanks for finding and posting that. I was a little disappointed that it didn't cover temporal adjustments for time dilation effects, but I guess I'll just have to stop trying to shoot deer while they're traveling at relativistic velocities.
3.) bluecat - 03/01/2016
"Space time continuum is a bitch." Albert Einstein
4.) bluecat - 03/01/2016
3rd axis tuning is basically maintaining the second axis bubble while moving the bow up or down. This can be evidenced by hanging a nut or heavy object from a strand of paracord to create a plumb line. At full draw (to account for riser or limb twist) center your pin on the plumb line while making sure your second axis bubble is centered (the bubble on your sight). As you move bow up (uphill shot) on the plumb line or down (downhill shot) on the plumb line the second axis bubble should not move left or right. If it does then your sight is not perpendicular to the riser. The sight (if 3rd axis adjustable) should be moveable like a door hinge toward or away from riser. If not...then always shoot on flat ground. :wink

Hope that wasn't too confusing.
5.) bluecat - 03/01/2016
They make some little bubble levels that clip on to your string. You can get your bow centered for the first and second axis in a bow vice. Then make sure you sight level reflects the fact that you are level. Now you are ready to check the 3rd axis.

It might make better sense if you print out the article and then follow the instructions while looking at the pictures. That's when it finally hit home for me. Of course, I had to turn down the volume on the Andy Griffith show. I just couldn't concentrate. :-)
6.) bluecat - 03/01/2016
The Spot Hogg sights (one is pictured in the article) have a wire running down the center of the sight, just for the purpose of following a plumb line while sweeping the bow up or down.


And my understanding is once you have leveled your sight, unless you jack with your settings or fall on your bow, it should be set for the duration.
7.) bluecat - 03/01/2016
If you take the leveled sight off your bow and put it on another bow then all bets are off. You'll need to redo process.
8.) bluecat - 03/01/2016
How many people own a bow vice. Show of hands?

Invaluable little gadget that bolts to a work table.
9.) bluecat - 03/02/2016
There are some gadgets on the market that work pretty well in helping you level your sight.

10.) bluecat - 03/02/2016
[url]http://www.hamskeaarchery.com/tutorials/pins-sight-instructions.html[/url]
11.) bluecat - 03/03/2016
This video is not that informative, but at the 5:00 mark it does show the person testing for 3rd axis alignment while drawing the bow. You'll need to watch up to that point but after he checks for 3rd axis alignment, it is not worth watching.

He is drawing the bow and following the plumb line while watching the sight bubble.


12.) Swamp Fox - 03/03/2016
That's good information, but neither article covered beating your pins with a hammer, so I was left wondering, "Who really rites all this stuff anyway?"


:beer:
13.) bluecat - 03/03/2016
The sound of crickets is deafening. LOL!
14.) Swamp Fox - 03/03/2016
Where's Milo the Cricket-Eating Lizard when you need him?