Show me your Frankengun
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Show me your Frankengun
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Topic: Show me your Frankengun (Read 4997 times))
ray1377
Just one more airgun. What can it hurt? :)
Expert
Posts: 1034
Master of the 1000 inch shot.
Real Name: Ray
Re: Show me your Frankengun
«
Reply #20 on:
August 30, 2016, 06:09:26 PM »
9mm, thats makes it even more cool!
It looks great.
Thanks
Ray
Logged
Union Co, MS
All that is needed for evil to triumph is for good men to do nothing.
A government big enough to give you everything you want, is strong enough to take everything you have.
They that give up essential liberty to obtain a little temporary safety deserve neither liberty nor safety.
Gertrude
"The man who complains about the way the ball bounces is likely to be the one who dropped it."
GTA Senior Contributor
Posts: 7465
Hey LOOK ! ... I got a BULLSEYE ! ! !
Real Name: Ron
Re: Show me your Frankengun
«
Reply #21 on:
August 30, 2016, 08:15:16 PM »
Prod trigger group, 2260 tube, Steel breech, extended probe, 18" barrel, PCP converted, heavily modified 22XX valve, a couple of custom machined fittings, a little brakeline plumbing, some standard Crosman parts,
and we end up with the "Ron's Radial Rodent Reaper".
Chrony tested with the following results (using average speed of 5 shots per each pellets tested)
CPHP ------------------------14.3 gr --------1017 FPS --------- 32.85 FPE
Predator Polymag ----------- 16 gr ----------977 FPS -------- 34.13 FPE
JSB Exact Jumbo Heavy ---- 18.13 gr ------ 946 FPS -------- 35.98 FPE
H&N barracuda Match -------21.30 gr -------909 FPS -------- 39.09 FPE
Skenko Newboy Senior ----- 28.6 gr --------815 FPS -------- 42.19 FPE
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State of Confusion
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dmeguy
Sharp Shooter
Posts: 541
Aim small!
Real Name: Garry
Re: Show me your Frankengun
«
Reply #22 on:
August 30, 2016, 08:19:36 PM »
Ron - what pressure is your regulator set at and what's the shot count?
«
Last Edit: August 30, 2016, 08:25:55 PM by dmeguy
»
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Arkansas City, KS
GAMO CFX .177 | Benjamin Trail NP AW .22 | Crosman 1322 | The Reverend - Cothran Powered Reverse Bottle .30 | Benjamin Discovery .177 | Powermaster 66 | Pumpmaster 760 | Bottled 2250 BNM .22 HPA | Daisy 880 | P17 | AT-44 .177 | .25 Gen 1 Marauder
Gertrude
"The man who complains about the way the ball bounces is likely to be the one who dropped it."
GTA Senior Contributor
Posts: 7465
Hey LOOK ! ... I got a BULLSEYE ! ! !
Real Name: Ron
Re: Show me your Frankengun
«
Reply #23 on:
August 30, 2016, 08:48:24 PM »
Quote from: dmeguy on August 30, 2016, 08:19:36 PM
Ron - what pressure is your regulator set at and what's the shot count?
1720-ish / 55-ish
as a disclaimer,
I DO NOT recommend for others to go this high on the regulators, without having access and skills to precision machining and a full comprehension and understanding of ALL the components used, and their max working load capacities.
You MUST be an Experienced, and Knowledgeable Airgunsmith BEFORE Attempting This Level of Build on this type of platform.
If you Do Not have previous and extensive skills in this type of work,
DO NOT ATTEMPT TO COPY THIS BUILD.
«
Last Edit: August 30, 2016, 08:56:11 PM by tri-5-ron
»
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State of Confusion
HEY ! CHECK THIS OUT >>> FIND A LOCAL SHOOTING FRIEND ON THE GTA MEMBERS MAP ! ! !
CLICK HERE
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Feel free to place your own marker on the map.
(for your own privacy, the marker should not be placed at your exact address). just place the marker within a few miles of your home.
USE YOUR GTA SCREEN NAME WHEN PLACING YOUR MAP MARKER...So when others find you on the map, they can send you a PM here through the forum.
dmeguy
Sharp Shooter
Posts: 541
Aim small!
Real Name: Garry
Re: Show me your Frankengun
«
Reply #24 on:
August 30, 2016, 08:52:02 PM »
Those are impressive numbers!
Logged
Arkansas City, KS
GAMO CFX .177 | Benjamin Trail NP AW .22 | Crosman 1322 | The Reverend - Cothran Powered Reverse Bottle .30 | Benjamin Discovery .177 | Powermaster 66 | Pumpmaster 760 | Bottled 2250 BNM .22 HPA | Daisy 880 | P17 | AT-44 .177 | .25 Gen 1 Marauder
aPpYe
Marksman
Posts: 347
Zombie Lincolns. 50yd. Hit them in the head!
Real Name: Patrick
Re: Show me your Frankengun
«
Reply #25 on:
September 21, 2016, 04:51:12 PM »
Okay, a bit of a cross-post here ...
I wanted to post in this thread a while back, but it took me a while to get some of the kinks ironed out. The gun started life as a CCS 2400kt... It is now more of a Disco. I like my iron sights, so it sports a .050" Williams aperture rear sight with a spirit level epoxied to it and my own poor man's "globe" site up front. It has a standard Crosman .177 24" barrel (touched up using a walkthrough provided by Nervoustrigger) and a standard issue Disco tube. The Disco valve has a marauder poppet (thanks RSterne!) that has been turned down to a cone shape for aerodynamics. The oblong exhaust, transfer and barrel ports have been opened up to 100% of the bore area. The unpolished hammer floats almost completely frictionless in the tube due to an idea I got from SynrodSteve. Basically it rides on these little nylon nubs that lift it away from the tube body on all sides. Of course, it has a first gen Rsterne SSG made from a Challenger RVA that has had the degasser threads drilled out for the spring guide. I filed the front of the probe to be out of the way of the transfer port and then extended it with a broken .030" drill bit. The regulator is set at about 1475psi. All pertinent trigger/sear/hammer surfaces have been polished...
The bottle is held in place by the fitting on one end and a drilled out piece of plastic stock I had on the other. It is very solid. The hose clamp is on there to help keep the polyurethane transfer port sealed tightly. It's très chic!
I haven't had a chance (hopefully tonight!) to tune it yet, but so far it consistently blasts 16.2gr .177 JSB pellets at 978fps for over 34fpe (EDIT: Scratch that ... I don't know how 978 happened ... It is more like 940 max consistently reproducible). I was getting sub 1" groups all day long at 50 yards with the 10.34gr jsb heavies at 18fpe, we shall see how it does with some of heavier pellets. We shall see if my skinny probe causes any accuracy issues due to the small mark it puts on the backs of the pellets.
THE GUN
REAR SIGHT
FRONT SIGHT
«
Last Edit: September 22, 2016, 12:05:20 PM by aPpYe
»
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Coarsegold, CA
Slavia
Sharp Shooter
Posts: 697
Re: Show me your Frankengun
«
Reply #26 on:
September 25, 2016, 12:50:22 PM »
Springers can be frankenguns, too. The 1008 now qualifies as a single shot, break barrel, CO2 gun.
«
Last Edit: September 25, 2016, 12:54:47 PM by Slavia
»
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Waseca, Minnesota
Skinard88
Sharp Shooter
Posts: 882
yes
Real Name: Leonard
Re: Show me your Frankengun
«
Reply #27 on:
September 25, 2016, 06:01:01 PM »
Very cool! I hadn't thought of building a springer Frankengun. I think I'm about to pull the trigger on converting my Frankengun into a 25cal.
Logged
OK. Tulsa
Armada 25, Condor SS 25,22
JKhan Noblesse Krosa 22, Prod\carbine 22
Beeman San Rafael R1 177 tuned, Santa Rosa UK Beeman Kodiak 25
HW30 177 tuned, D34,177-22, tuned,
Frankengun 22 reg. bottle, BNM breech and shroud,
2400KT boss valve, larger TP, 18" barrel, TKO
IZH-46, HW45 177, P17,
Vintage crosman 130,
Walther CP99, Colt Government A1
Ozarkairgunner
Marksman
Posts: 465
yes
Real Name: C.J.
Re: Show me your Frankengun
«
Reply #28 on:
September 26, 2016, 09:28:12 AM »
Just thought I'd show off for a minute or two, why not right. It's a fairly simple design inspired by Jason's (aka nervoustrigger). Same basic design with just a few changes, mainly new valve instead of modifying the original, custom machined stock, I'm don't feel I'd be as good as Jason on making mine lol, 21" barrel, and the TKO muzzle break, this thing is ridiculously quite. I do need to track down and fix a small leak, almost positive it's coming from my valve oring now.
Logged
Harrisburg, AR
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GTA
»
All Springer/NP/PCP Air Gun Discussion General
»
PCP/CO2/HPA Air Gun Gates "The Darkside"
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Show me your Frankengun