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My String Stretching Jig!

Started by Keefer, May 10, 2014, 10:34:00 AM

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Keefer

I just wanted to share a few pics of a String Stretcher/string set up jig I just completed this week with some who might like to Tinker in their shops..Enjoy! Keefers <")))><


   
   
before the paint job and bow scale
   
   
   
   
 

macbow

United Bowhunters of Mo
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"A man shares his Buffalo". Ed Pitchkites

South MS Bowhunter

Agree very nice!  What are all of the component used and if you don't mind the cost to put it all together   :readit:
Everything I have and have become is due to the Lord and his great mercy.

LBR


Keefer

John,
1-5/8"x10' 12 gauge strut was $19.73
Super strut "L" Bracket 3"x4" $ 2.82
1/2"x 4"eye bolt w/nut        $ 1.56
Channel cone strut nuts 5 pc. $ 4.36
Trailer Winch with strap      $32.00
72"swanson straight edge rule $10.98
1"x2"x6' select pine          $ 3.72
other hardware like bolts etc.$15.00
Total about $90.17 but if you had to buy the Hanson scale they can cost quite a bit depending where you buy it...Mine was given to me by a friend
I will post some pics of a build along but maybe on the "How To" forum if people respond they really  want one...

Ryan Sanpei


Keefer

Ryan,
Give yourself a pat on the back cause when I saw yours in your video about a year ago I have been burning my brains out on building one like yours buddy...See you inspired me with your tie on nock video and the idea started there...Thank you Ryan you have helped "Many" here..    :thumbsup:

P.S. Guess that's why you are a "TEACHER" Ryan   :)

Ryan Sanpei

Aww man, I wish you contacted me! I would've helped you in any way possible!

Anyways, I like yours better!     :thumbsup:  

Have fun with it!!!

Aloha!
Ryan

Keefer

This was a 1-5/8" x 10' length of Unistrut 12 gauge but I cut it down to 8'
 

Here is the 1/4" L" bracket that is 3"x4" with a 1/2" hole drilled for the Eye bolt
 
Next pic is the channel coned strut nuts that will glide in the curved section of the strut and except the bolts from above the "L" Bracket
notice one has snapped from cranking too hard on the rachet  
What it looks like attached


Caughtandhobble

That's nice, very nice. Mine is not as fancy, we'll say trampoline spring and rope is the way I roll.   :D

Ryan's video helped me to get started making strings. You fellows are awesome.   :thumbsup:    

Thanks,
Ben

Keefer

Next few pics will be some other material I used

2"x4"x12"long legs for the rail to sit in

Swanson 72" straight edge rule

Sewn on a smaller snap hook from this one

To this one
 

Keefer

In this picture there is a 2"x3"x10" board that the Hanson scale has velcro under it just to keep it balanced on the 2"x3" but really the scale is held tight to the "EYE" bolt. The leather wrap is to keep the board on the rail and the board also has a 3/4" piece of oak 10" long glued under the 2x3x10 so it sits inside the rail.
 
You can see that 3/4" piece glued under in this pic.
   
The flouresent orange needle is just to show where the string loop starts as I crank on the winch and if I want to measure the string etc.
I also have a 1"x2"x6' piece of pine screwed under the Swanson Straight Edge and it can be removed easy just by lifting it out and the needle swings from left to right out of the way so the scale can slide as I crank the winch handle.  

Keefer

Last few pics and the first shows what the coned strut nut looks like under the winch..
 
Last pic of a few bows resting beside the rail just to show how big this thing is...Hope you Enjoy and feel free to ask any questions..God Bless Everyone <")))><
 
 

Keefer

Forgot to mention the paint I used is called "Por 15" and is used on engine blocks and places where it covers rust from what a friend told me...It sets up really hard that you cann't peel it with a fingernail in about 6 hours of drying time..
It really didn't need anything done to the rail but I just wanted to "TINKER" as I was building it.

Troy D. Breeding

Basically the same design as the one I have. The only difference is the main beam on mine is made using two different sizes of steel box beam. That way when not in use I can slide them together to take up less room in the corner.
Troy D. Breeding
www.WoodGallery295.net

Retirement ain't what it's cracked up to be.

NittanyRider

QuoteOriginally posted by Keefer:
Thank you Ryan you have helped "Many" here..     :thumbsup:  
I know you've helped me, Ryan, so thank you very much for taking the time to make and post the videos!    :notworthy:  

Keefer: great job on the string stretcher!  I'm just about finished making a flemish string jig and will be twisting my first string shortly!

T Folts

I made one similar and used a compression spring. 1/2 inch of compression equals 300 lbs. I stretch my to 300lbs and let it set awhile.
US ARMY 1984-1988

Ryan Sanpei

David, you're welcome and thank you for the kind words. Hopefully one day soon South and I will get around to re-filming some of them. A few need to be updated.

Aloha!
Ryan


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