Oh man, oh man......

[Truman]

Cheers Marvin,
 I think I'll let it do it's thing! I was shooting peanuts at 50m today with it (OK, So I missed more than I hit but it was fun!) I'll just keep an eye on it and thanks for the advice again!
Andy

[melloroadman]

You have it all wrong . Leave the peanuts on the ground and when the gray tails come to steal them you shoot the gray tails . LOL Marvin

[Truman]

You taunt me Marvin!! (LOL!)

[DanoInTx]

First time I shot the gun today and well, I have to agree, there's something going on.  At 15 yards I ran out of elevation with my scope and was still shooting 1" low.  Groups were all over the place.  I got the scope from a friend and it was working just fine at time of transition, so I'm gonna go back to basics, strip it all back down, get rid of the brake I have on it, get rid of the extra barrel band and spacer, and most likely shoot it with open sights a little to see what the heck is going on.  Crown looked ok on the barrel, but I'll look at that again too.  The trigger is still fantastic, and I plan on leaving that alone.  I suspect same as Timmy that the extra barrel band is giving me a banana barrel and pointing it at the ground, but I wont know for sure till I undo what I have done first.....I can't "see" any banana barrel, but that doesn't mean it's not happening.  I have a couple other PCP's, and I've owned quite a few others, but this little gun is kinda fun in a Crosman sort of way, just like my first 2260 was.  Further research reports to follow:)

[kirby999]

Dan; The Disco I had shot that way when I first got it . First thing I did was change out the barrel with a 1760 barrel I had , that had already had the crown polished . Made a world of difference . Then I changed out the hammer spring with one from a(2250) 2400 custom shop carbine I had and along with putting a little moly paste on the hammer ,got the speed into the mid 800's with IIRC a 1600psi fill , gave me a consistent 30-35 shots . Unless you get one that's been prepped from Mac1 or Mountain Air , they're like a "box of chocolates, you never know what you'll get " . You shouldn't have any scope problems , if you do , you let me know. kirby

[melloroadman]

Dan after you get it back to point a . Do your self a favor and chrony it to be sure it is consistent . I know you do not think much of what the crosman team did with the trigger but if your hammer is hanging up with the screw mod try it stock as well . If you think I was the only one that had a problem with the screw mod check out the yellow forum or pm . Doug Owens over there . He spent more time trying to figure out what was going on than I would have ever spent .Marvin

[DanoInTx]

Nopers Dave, I know it's not the scope, it worked for you and the box came to me undamaged, it's definately the gun.  I stripped it back down tonight, no brake, standard barrel weight, no extra barrel band, and I left the fill cover off to make sure it wasn't rubbing the barrel weight.  It was dark by then so I only got to shoot it in the garage at 6 lovely yards.  Now of course 6 yards is different than 15 yards that I shot this afternoon, but it was doing one hole, two mil-dots low...actually good since the scope doesn't focus at that short a distance.  If the problem was still there I would have seen at least a 1" group even at that short distance, it was all over the place this afternoon.  Almost positive it will be fine tomorrow when I get it out at a longer distance, pretty sure it was the extra barrel band and barrel spacer like Timmy was describing "banana barrel".  I started adding the pieces back with exception of the barrel band and spacer and it still kept shooting one hole, I think it's cured for the most part, although I may still pull the barrel and give it a lathe crown on Monday at work.  This one is a .177, I also have a spare 2260 barrel and bolt I may try later on for my longer distance soda can sniping:)

[DanoInTx]

Thanks Marvin, I did have that in mind.  I made sure the hammer sear wasn't dragging like you suggested.  You could definately adjust that trigger mod till it would make the hammer hang up, and MikeT. even mentions that in his included instructions with the kit.  I made sure to give my adjustments plenty of extra room for that sort of thing by backing off the adjustments a few hairs past "good".  Hehe, I adjusted a B50 trigger like that once and it did God awful things to the velocity of that gun, not to mention making it a bear to cock.....DaveD can back me up on this one, I sent the gun to him after I was tired of fooling with it and he writes me and says,"Man you had that trigger screwed up!".....hehe!!!!  I LOVE a light two stage trigger, but I've learned that there is such a thing as "too much".  It was ugly/rainy all day today, so no chance for any chrony, but I have that somewhere up at the top of my list when the weather clears up.  

If you see my reply above to David Kirby I believe I've found my culprit.....barrel band and barrel spacer creating the infamous "banana barrel".  I got a little too over excited when I got my gun and started working on it before I had time to shoot it.  I'm one of those people that enjoys taking things apart just as much or more than actually using them.  I remember as a kid my mom looking at me because I had taken the "home computer" apart....a lovely Atari 2600 game console......"Do you know how much that thing cost?????  Now it's in pieces, ...and, and...I'm not buying you another one!!!".  Well the Atari made it back together and got many more hours of gameplay.  Now on the rare visit to see my mom in California one of the first places we go is Home Depot so she can buy a bunch of new stuff so I can go to her house and fix stuff.  I guess my mom finally decided that after being a mechanic for 19 years it's safe to let me loose with tools in my hands......, but I always learn something new when it comes to airguns, lesson learned today for sure:)

Take care,

[melloroadman]

I know what you mean . I have a mechanics back ground as well and had similar experiences with my parents . But I have learned the hard way to test and be sure all is working well when I first receive it before I tear into it . I always chrony a rifle before and after I do any work on it and I try and do one mod at a time so I know what is going on . That way if I am going back wards I know right were the problem is so I do not waist days trying to figure out were I went wrong . Good luck . Marvin

[DanoInTx]

...I had planned on seeing if I solved my grouping situation today, but when I pulled the Disco off the rack it had no air in it....doh!  I gave it a shallow fill and went after it with a few drops of water in strategic places with the stock off.  Found out the fill nipple is leaking, just a bubble every few seconds or so, but leaking just the same.  This isn't the first new PCP I've bought that leaked straight from the box, so no blaming Crosman specifically, but you'd think these companies would at least fill these things and let them sit overnight, then give the pressure gauge a quick look, de-gas and box them up...I mean really, what could that cost in the grand scheme of things?  I looked on the Yellow Disco forum and search turned up all sorts of hits for leaks straight from the box........oh joy!  Springers are looking mighty nice right now:(

[Timmyj1959@yahoo.com]

That STINKS!! Dont give up on your Disco,,,, lord knows I almost did on mine!! Check your PM,,,,,,,Tim.

[melloroadman]

Well if it gets bad enough Dan I have a RWS 46 not being used . May be a trade of some kind . Marvin

[kirby999]

melloroadman - 3/15/2009  12:32 PM  Well if it gets bad enough Dan I have a RWS 46 not being used . May be a trade of some kind . Marvin

OUCH !!!! Go toward the light Dan !! escape from the darkside , the force is with you, use the FORCE!! hehehe . There's room for both at my house . I have a happy medium . You might say I sit in the shade ..... LOL BTW .. The R11 has over 250 pellets though her and she's starting to get sweeeet . kirby

[DanoInTx]

melloroadman - 3/15/2009  11:32 AM

Well if it gets bad enough Dan I have a RWS 46 not being used . May be a trade of some kind . Marvin

Marvin, I may just take you up on that...and that's no joke!

I gave it a full fill this morning and took it out back to see if the other changes I made fixed the accuracy part at least.  It's shooting square now, it was definately the barrel band and spacer causing the low shooting issues.  The groups weren't great, maybe sub-inch at 15 yards but not better, but in all fairness the only pellets I tried were the cheapo hollow points that came with the Disco, I still have a fairly large assortment or other pellets to try.  Question to anyone that knows, are those hollow points that come with the Disco heavies or just plain old CPHP's?  Maybe a trick of the eye, but they look to be larger than the regular CPHP's I had on hand.  No matter, I have shot them all now anyways, just curious.  I took the fill valve apart last night and made sure all was clean, nothing odd noted so I put it back together and teflon taped the threads to replace the rubbery yuck that Crosman uses during assembly.  It was a pretty slow leak before, so I'll have to watch it for a day or two to see if the issue is solved.   Thanks for the helpful suggestions guys!

[DanoInTx]

kirby999 - 3/15/2009  11:58 AM
........ BTW .. The R11 has over 250 pellets though her and she's starting to get sweeeet . kirby

Hey if that R11 starts leaking, you just let me know, I will gladly trade you my Disco for it.....haha!!!