Primitive Archer
Main Discussion Area => Bows => Topic started by: rps3 on January 18, 2019, 10:53:56 am
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Just got a new phone and was editing my pictures as I usually do to check my tiller, when I noticed this graph overlay that I could expand, contract, and spin around the picture. I was able to line the bow up perfectly in the graph allowing me to really hone in on the tiller. This might not be for everybody, but I really like it.
(https://i.imgur.com/HPu7Q6W.jpg)
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ooh I like that option
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yeah, I find that feature incredibly useful, they're (phones) also great for shooting video so you can watch the bow flex
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I hope I have that function on my phone. That would help me a lot. Thanks for the info.
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I use that feature a lot. I have an arrow nocked so my wife can use the arrow as a reference to line up the horizontal line with it. That keeps the grid lined up with how the bow will be held, and show you which tip is moving more than the other.
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The grid behind the tiller helps when your training your eye. After your eye is trained the grid just seams to clutter things up.
Mid limb on the right/bottom is a bit stiff. Your got a good start, but I wouldn't pull it any further untill you have the tiller fixed.
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I like the video option too. This is actually a screen shot from a video.
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How do you know where to put the graph on the picture?
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How do you know where to put the graph on the picture?
I use this app a lot, and im happy to answer, but i dont think i quite understand your question?
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The graph can be moved around the screen with two fingers and resized the same way as ant other phone screen image
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How do you orintate the grid lines to the bow or draw picture?
Maybe this is too high tech for me to understand.
DBar
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How is probably the wrong word....Where is the better wprd.
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When i do this i nock an arrow. Then line the arrow up with the horizontal line. That puts the bow pefectly square with the grid. The i line a bow tip up with one of the verticle lines. This shows me if the other, usually the lower, tip is forward or aft of the upper tip. The benefits there are self obvious, knowing which limb is stronger. Add the that you can put a 6 inch scale on the screen and take measurments to see where each limb needs adjustment. Also, you can lay tracing paper over the screen and draw one limb, then flip the paper to superimpose it over the ither limb, to check symetry. That can also be done through an app, but its too complicated for me, my wife does it when I ask her.
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I think I'd be more concerned with the vertical line.
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I think I'd be more concerned with the vertical line.
Just line it up with a bow tip.
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What are you looking for by using the grid? Tiller? Tips lining up?
I guess what I'm getting at, is that there is too many variables and to much alining to do using the grid.
Train your eye and use a tilling gizmo to tiller out to about two or three inches from full draw. For the last two or three inches take pictures or use a mirror and finish tiller with eye sight and feel the balance of the limbs in your hand. Using the grid is a good way to start but strive to get rid of it. And tiller by eye and feel. JMHO
DBar
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Most people have the nock point set a bit high, I think. I they line the grid up with the arrow the top tip will be tipped back. Wouldn't that skew the results?
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Like I said, it's not for everybody. I've made a lot of bows and think I have a pretty good eye for tiller, but I like how I have this picture available to me that I can zoom in and out and really study hours away from having the bow on a string, and get back to it later. I think I will be using it for a while to come.
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I line a horizontal grid line up with the tips and the central vertical line to cut through the hand grip
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Most people have the nock point set a bit high, I think. I they line the grid up with the arrow the top tip will be tipped back. Wouldn't that skew the results?
Not really. If thats how they are gonna shoot it, thats how they should tiller it. May as well line tje horizontal line with the arrow and adjust accordingly.
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So the tips should both be on a line that's 90° to the arrow?
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Thats pretty cool. Not sure I'm not tech saavy enough to set it up but it looks like a neat tool.
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So the tips should both be on a line that's 90° to the arrow?
Depends. If you want a symmetrical tiller, then yes. Otherwise, no. Typically, you want the upper tip on the line, and lower a tad stiffer, so it doesnt quite touch.
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Gotcha! :)