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Air Gun Home Forum Index » Picture Gallery » My Disco Project Goto page 1, 2  Next    View previous topic :: View next topic  My Disco Project   Posted: Mon Jun 20, 2011 3:04 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 My new pack gun in coming together nicely.Just now playing with power adjustments,and running it over the Chrony... I really like this set up...It is nice,and compact for a day in the field yet,it is longer than the original Disco.... trigger pull/reach wise when unfolded,and ready to go...It comes in handy,as I'm 6' 7".I could not even get a cheek weld with the original Disco stock... I still have to reshape the fill cap to accept one of Joe's brakes I have,but that's easy enough.. A few more mods will be coming as well...a varmints nightmare in the making..... Last edited by Mark5043 on Mon Jun 20, 2011 3:28 pm; edited 2 times in total _________________   Posted: Mon Jun 20, 2011 3:24 pm oddtodd Silver Status Member Joined: 30 Dec 2008 Posts: 2029 Location: Richmond, IN USA Cool job Mark! I like the looks of this airgun porn! _________________ Airguns: Two starlings talking "Larry, did you hear that? Larry?? LARRY!!!!"   Posted: Mon Jun 20, 2011 4:20 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 Thanks Todd....this is definitely a "Mo Betta" set up for me.Light..Compact...hits like a hammer... No chrony numbers to post yet..."The Honey Do List" takes priority today...but I'm quite sure it will be @ M-Rod power levels... _________________   Posted: Mon Jun 20, 2011 4:28 pm sniper Silver Status Member Joined: 28 Nov 2008 Posts: 3752 Location: Star, Idaho Hey, folding stocks are illegal in Ca. _________________ I believe in gun control, If there's a gun around I want to be controlling it.......   Posted: Mon Jun 20, 2011 4:37 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 sniper wrote: Hey, folding stocks are illegal in Ca. ..I thought that applied to only firearms,and not airguns? _________________   Posted: Mon Jun 20, 2011 5:02 pm sniper Silver Status Member Joined: 28 Nov 2008 Posts: 3752 Location: Star, Idaho yer good. _________________ I believe in gun control, If there's a gun around I want to be controlling it.......   Posted: Mon Jun 20, 2011 5:09 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 ...I thought so...I didn't see anything,that states it's illegal on Air Guns. "Ya got me for a minute"........ _________________   Posted: Fri Jul 08, 2011 2:38 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 I finally got around to playing with the chrony today doing some initial testing on the Disco .22. Filling to 2400 PSI "with a stock hammer spring",and using 14.3 Crosman pointed pelets I fired 10 shots at full power"a half turn from coil bind on the power adjuster" for a high of 910.6 FPS=26.34 FPE At this point I was at 2000 PSI,and just for kicks I went as low as I could... a whopping 217 FPS=1.5 FPE..... I'm sure I was close to valve lock on that one.... I think I might stick with the stock hammer spring,as there is such a wide range of possibilities here.. Now that I have some numbers down for this pellet,I'm going to figure out what produces acceptable performance,a flat string,and a-lot of shots.. Then on to the next pellet..... This will take a-while...... Bob already did a-lot of this for us,but it's fun to see for oneself firsthand. _________________   Posted: Fri Jul 08, 2011 6:56 pm Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND Very nice design Mark and smart woodwork, that’s something like I’m looking for but using a 2240 as the base, also were not allowed folding stocks in the UK. Al _________________   Posted: Fri Jul 08, 2011 9:13 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 Why thank you Sir.. You guys get to play with silencers over there though,so I'll trade you laws... This thing is LOUD on full power... I plan on putting an entire upper end from Crosmods on this as funds permit. I like the idea of a shrouded set up....this thing needs it... Glad to hear you're working on another 2240...I like your work. I've also been playing with my 2300KT....it now has a 24' barrel on it.Ridiculously long,but I want to see what it chronys at.It looks kind of like like a spear gun with optics on it..... _________________   Posted: Sat Jul 09, 2011 3:44 am Alstone Moderator & Site Supporter Joined: 01 Mar 2007 Posts: 4139 Location: Linconshire, ENGLAND Mark5043 wrote: Why thank you Sir.. You guys get to play with silencers over there though,so I'll trade you laws... This thing is LOUD on full power... I plan on putting an entire upper end from Crosmods on this as funds permit. I like the idea of a shrouded set up....this thing needs it... Glad to hear you're working on another 2240...I like your work. I've also been playing with my 2300KT....it now has a 24' barrel on it.Ridiculously long,but I want to see what it chronys at.It looks kind of like like a spear gun with optics on it..... A shrouded set up would be interesting, it would look very much like a over under shotgun with a folding stock, a totally unique look. As for the 24” barrel on your 2300, I’m interested what difference an 18” barrel in .177 will make to a 2240? Al _________________   Posted: Sat Jul 09, 2011 5:30 pm kanyon Silver Status Member Joined: 09 Aug 2008 Posts: 1582 Location: New Zealand Hummm now I could carry that on the bike _________________ Career Infinity PCP .22 Webley Patriot .25 Hatsan mod 75 .22 Hatsan mod 99 .177 (Quattro & SAS) Kral underlever .177 ............................................. .   Posted: Sat Jul 09, 2011 7:38 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 ...that's why I'm building it Pete...this one goes in the pack on the mountain bike.My goal is to have a pack gun that can be adjusted from a stock 2240 pistol power level,and "nearly"up to a stock .25 Marauder at factory ..settings....pellet weight dependent of course...I think it's conceivable with the right combination of tweaks,and time for testing.Shot count isn't really my concern on high power...it's the range of adjustments I'm looking at....critters don't notice if you have 60 good shots or 10.....shot placement I can do.. Last edited by Mark5043 on Sat Jul 09, 2011 11:28 pm; edited 1 time in total _________________   Posted: Sat Jul 09, 2011 11:12 pm Mark5043 Silver Status Member Joined: 12 Apr 2009 Posts: 1379 Alstone wrote: As for the 24” barrel on your 2300, I’m interested what difference an 18” barrel in .177 will make to a 2240? Al That would be interesting to find out.Ultimately I want to order a few different barrel lengths in both calibers.I do have a 24" in .177 as well but have never done that swap yet.I did test the 2300 today with the '24 in .22 cal,and hit 609.4 FPS with a 14.3 grain Crosman pointed.The gun is bone stock internally with the exception of a hammer spring from a 1377.With the 10" barrel I was hitting a high of 500.3 FPS...almost 110 FPS difference.That being said when I did test the gun,the power adjuster was roughly 2 full turns in from the stock setting,so that 110 FPS jump isn't just from the barrel swap alone.Not a true measurement of just the barrel swap alone I know..still just playing,and I need to tighten up the testing,to get true results,as changes are made.. _________________   Posted: Sat Jul 09, 2011 11:46 pm rsterne Moderator Joined: 15 Jan 2008 Posts: 2998 Location: Coalmont, BC Quote: I’m interested what difference an 18” barrel in .177 will make to a 2240 I found that combination shot about 650 fps at 20*C (68*F) with 7.9 gr. pellets.... Bob _________________ Dominion Marksman Silver Shield - 5890 x 6000 in 1976, and downhill ever since! Airsonal: Too many to count! 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