Tuning the daystate Air Ranger and Huntsman
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Tuning the daystate Air Ranger and Huntsman
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Topic: Tuning the daystate Air Ranger and Huntsman (Read 22685 times))
squirrelnator
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Tuning the daystate Air Ranger and Huntsman
«
on:
February 09, 2013, 03:15:31 PM »
Well I got out the tools and tore it apart been posting sone stuff on here about it. Time to sum it all up and put the infor in one spot!
After takeing the rifle apart polishing the hammer and reciver tube. Makeing different hammer spring bushings and changing springs I have found that the Air Ranger Platform is very easy to change power on.
I have gotten power anywhere from 43 FPE - Up to a whoping 70FPE
with the factory hammer spring and hammer no change to the vavle.
I have gotten down to 18 FPE with a different hammer spring and bushing as well. THe fill presure will change wiht the spring and bushing changes, Mine went form a 3600 psi fill to a 2700 psi fill from 60 FPE to 43 FPE and shot count from 29 shots to 40 shots.
I found my best accuracy in the 900 and below range with 25.4 JSBS
I found 3/4 derlin rod and made different hammer spring bushings out of it. By using a table saw and miter saw. It was very easy to do. I used the table saw to cut a collar on the 3/4 rod down to 15mm pr 5/8ths. Then used the miter box saw to cut it to length. I made a assortment so I can have power adjusted from 43-70 FPE in steps to test for accuracy. I did not drill a hole in my bushings like the factory one to adjust teh hammer stroke I found no need to adjust that yet. The white bushing is the factory one.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2601.jpg
I have a step by step pic on how to take apart the rifle quickly and easily to adjust power and youtube vids as well. Takes may be 10 min total.
TOOLs needed allen wrenches only 3/16th, 3/32nd,and 1/16th.
Loosen the 2 3/32nd back brecch screws by the saftey first just til loose dont take them out yet. This will let off the pressure on the set screws to make it easier to get them out with out stripping them.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2594.jpg
Next loosen the 2 set screws back by the saftey til loose dont take out yet.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2595.jpg
Now take out the first two breech screws all the way tip gun over if you need to to get them ALL the way Out. They need to come all the way out so you can get the rotary saftey block off.
Now you need to hold the saftey on while pushing in the hammer spring will be pusing out so tension is a must. You can put the barrel on the ground and push down to help if you want to make it real easy.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2596.jpg
Now take the two 1/6th set screws all they way out. Holding the saftey tight to the gun till both set screws are out on on each side of the reciver tube. After they are out slowly let the saftey come out the hammer spring will push it out easily dont let if go flying across the room or could loose a eye or sumptin ( LOL just kidding ) but you dont want it to go flying that is for sure.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2599.jpg
Here you have the spring and bushing if the bushing doesnt come with dont worry the hammer wont come out wiht out takeing a retaining screw out just tip the rifle up in the air and out comes the bushing. Or uwse the small allen wrench to fish it out.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2600.jpg
So now you can change spring or bushing to adjust the pwoer of your ranger.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2601.jpg
TO put it back togther do in reverse order. Make sure you tighten the set screws up first then the breech screws last or binding will occur.
http://i435.photobucket.com/albums/qq78/shizzlemyfizzile/Air%20Rifles/DSCN2602.jpg
Youtube links
Power adjustment vid
Polishing Vid
part 1
part 2
part 3
Hope that helps some of you guys out thanks Jim
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Rescue35
GTA Senior Contributor
Posts: 2109
Real Name: Jody
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #1 on:
February 09, 2013, 04:32:18 PM »
I don't have an Air Ranger but I can appreciate the amount of work you put into this write up. Good job.
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Sweetwater, TN
"Research is what I'm doing when I don't know what I'm doing." -Wernher von Braun
Texan .45
TalonSS .25
2260 PCP converted
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grumpy
GTA Senior Contributor
Posts: 2264
Real Name: David
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #2 on:
February 09, 2013, 05:45:21 PM »
Excellent post Jim !
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SE Michigan
renowntwo
Expert
Posts: 1405
Real Name: Frank
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #3 on:
February 10, 2013, 12:09:04 AM »
Nice work, thanks for sharing.
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Birmingham, Al.
Qb 78
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wilsonj1018
Expert
Posts: 1526
Real Name: Josh
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #4 on:
February 10, 2013, 02:03:41 AM »
wicked post Jim. it will never help me, being that im so poor lol. wish more people posted informative stuff like this!!!!
Josh
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Hickory, NC
jmcuesta
Shooter
Posts: 2
yes
Real Name: Jose Miguel
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #5 on:
April 22, 2015, 12:58:22 PM »
Thanks Squirrelnator, great job!!!
Can you help where to buy a stiffer spring plssss.
Thanks
Best regards
JMCUESTA
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Santiago, RM
Jking
Marksman
Posts: 342
yes
Real Name: Jimmy
Re: Tuning the daystate Air Ranger and Huntsman
«
Reply #6 on:
April 29, 2015, 01:17:57 AM »
I'd seen Jim's videos before and watched with interest as I have a Daystate Regal. I'd been seeing my velocity fall off a little over time and recent chrony shots showed my gun was only achieving 27fpe with JSB 18.1's or 835-845 fps. I'd tinkered with the hammer throw adjustment a while back with mixed results. While waiting on a hammer spring bushing I decided once again to adjust the power with the stroke length adjuster. I ended up pulling the hammer and inspecting its condition and get a better feel for how the adjuster works. Apparently the last time I tried it I turned it CCW which is the normal direction for my past experiences with my Mrods to increase stroke length. Not so with the slingshot hammer! This time I readjusted so that the striker was flush with the face of the outer hammer and reinstalled it back in the gun. From this flush setting I ended up on turning it approximately 1 full turn CW and the gun went from shooting the low 840's to over 900fps. After a couple of further adjustments I left it at a 870-875 average. My fill pressure did go up from 200 to 240 though to get a nice bell curve. The gun is louder but what the heck. It's beats sending the gun in for repairs and having to wait on it. Plus I'm getting a lot of knowledge on my Regal. Thanks for the video's Jim.
Jimmy
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NM, Hobbs
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Tuning the daystate Air Ranger and Huntsman