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Air Gun Home Forum Index » Rifles » spring mod Goto page 1, 2  Next    View previous topic :: View next topic  spring mod   Posted: Fri Sep 05, 2008 12:50 am xuthal Member Joined: 05 Sep 2008 Posts: 27 Hello im new to this forum and new to modding pellet guns.My question is,is there a way i can replace the spring in my pellet gun for a more powerful shot?My gun is a chinese b1-1.I bought it a few years ago from a wealthy person for $75 canadian,needless to say i got ripped off by someone who has more money than i could ever hope to make.On the bright side i can now use it for some tinkering.Can anyone tell me how to replace the spring for a more powerful shot?I'm planning on using the gun for hunting grouse and rabbits,it shoots 490 fps.   Posted: Fri Sep 05, 2008 1:16 am broommaster2000 Moderator Joined: 10 Mar 2007 Posts: 5714 Location: City of Groningen, Groningen, The Netherlands You'll want to throw the gun. I'm not sure if you want to put time and money into a B-1 though. _________________ BIG GAP   Posted: Fri Sep 05, 2008 1:26 am xuthal Member Joined: 05 Sep 2008 Posts: 27 broommaster2000 wrote: You'll want to throw the gun. I'm not sure if you want to put time and money into a B-1 though. actually its a pretty decent gun,i dont think i want to pay over $100 for a new one.I was looking at the crossman backpacker but the b1-1 has more firepower.Whats the basic outline of what i'll have to do to increase the strength on this gun?   Posted: Fri Sep 05, 2008 1:36 am broommaster2000 Moderator Joined: 10 Mar 2007 Posts: 5714 Location: City of Groningen, Groningen, The Netherlands Well, that would be a spring guide, top hat with a bit of pre-load, polishing, and a good lube-tune. I'm not sure if they respond very well to that, but I guess you could try. _________________ BIG GAP   Posted: Fri Sep 05, 2008 1:56 am xuthal Member Joined: 05 Sep 2008 Posts: 27 Can you give me a link where i can take a look?   Posted: Fri Sep 05, 2008 7:42 am thepaladin Senior Member Joined: 12 Dec 2007 Posts: 930 Location: TN USA Sorry, if you get the chance to make that choice, get the Crosman. _________________ "All that is necessary for the triumph of evil is that good men do nothing." (Edmund Burke)   Posted: Fri Sep 05, 2008 3:55 pm broommaster2000 Moderator Joined: 10 Mar 2007 Posts: 5714 Location: City of Groningen, Groningen, The Netherlands xuthal wrote: Can you give me a link where i can take a look? I think you'll have to get someone to fabricate them for you. _________________ BIG GAP   Posted: Fri Sep 05, 2008 4:10 pm Rogerflat Silver Status Member Joined: 03 Jan 2008 Posts: 2051 Xuthal, you may be wasting your time trying to upgrade and old, low quality airgun. Customizing springers takes skill and money, so unless you have both of those, you'd be better off saving up for a better rifle that is brand new. _________________ I done been assisted by the trees and rivers. Never needed any minister to figure my divinity.   Posted: Fri Sep 05, 2008 4:40 pm thepaladin Senior Member Joined: 12 Dec 2007 Posts: 930 Location: TN USA What do you want to do with your rifle? You will probably be ahead to absorb your loss, use that one to plink if it works and then save for a good hunting or target rifle. there are a range of quality guns. While it is always nice to be able to go to the top of the line, there are reliable mid-range guns. _________________ "All that is necessary for the triumph of evil is that good men do nothing." (Edmund Burke)   Posted: Fri Sep 05, 2008 5:16 pm AirGunEric Site Admin Joined: 20 Jan 2007 Posts: 6930 Location: "Out There" The B1 is, without a doubt, the most "economical" air rifle ever sold. That being said, and don't hold me to this- I believe the spring in the "QF-2" tuning kit made by Industry Brand (around $10-15) should have a slightly better spring in it that would fit the B1. This is just an estimate- not a guarantee. You might want to try polishing, lubing and then shimming the spring a bit before buying any more parts. Are their any tutorials on how to 'tune' a B1? I don't know- but it is very similar to the B2- so it shouldn't be too difficult. Anyone have a link to a B2 disassembly guide?   Posted: Fri Sep 05, 2008 5:53 pm thepaladin Senior Member Joined: 12 Dec 2007 Posts: 930 Location: TN USA Be careful if you aren't experinced with springers. Be sure you can safely compress the spring before disassembling your rifle. _________________ "All that is necessary for the triumph of evil is that good men do nothing." (Edmund Burke)   Posted: Fri Sep 05, 2008 7:58 pm Rogerflat Silver Status Member Joined: 03 Jan 2008 Posts: 2051 AND WEAR SAFETY GLASSES!!! _________________ I done been assisted by the trees and rivers. Never needed any minister to figure my divinity.   Posted: Sat Sep 06, 2008 12:10 am xuthal Member Joined: 05 Sep 2008 Posts: 27 thanks guys,after reading some of your posts i think ill have to buy a crossman phantom and keep the b1 for plinking.It doesnt seem like i can mod this gun very well. GO FOR IT!   Posted: Sun Sep 07, 2008 2:06 pm cliffspot Veteran Member Joined: 15 Jun 2007 Posts: 132 Location: Miami via Hawaii Read around the different forums, do searches on modding that B1. Give it a go; if you muck it up, no big deal! But you will gain a lot of experience and knowledge that will help you in making your NEXT gun purchase. And you will be more confident tuning up you next project! The satisfaction of knowing YOU did it is HUGE! READ AND RESEARCH FIRST! It's all out there! I got about at least 150 bookmarks for airgun stuff alone! _________________ There are no accidents; only ignorance, mechanical failure, and acts of God! I have loaded over 6 million rounds in the last 5 years and STILL have not seen it all! b1 chinese information   Posted: Mon Oct 06, 2008 8:05 am SojaMan New Member Joined: 27 Mar 2008 Posts: 1 have you ever been to this sight ? i dont know about b-1 but it has loads of info on the chinese rifles. hope this helps http://www.network54.com/Forum/113813 spring mod     Air Gun Home Forum Index » Rifles You cannot post new topics in this forum You cannot reply to topics in this forum You cannot edit your posts in this forum You cannot delete your posts in this forum You cannot vote in polls in this forum All times are GMT - 5 Hours   Page 1 of 2   Goto page 1, 2  Next All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First  Select a forum Main Forums----------------AirGunHome Q&AGeneral Air Gun Questions and TopicsPicture GalleryTarget Shooting: Casual, Fun and CompetitionHunting, Pest Control, Varminting People/Events/Airgun Issue Discussion----------------Introduce YourselfThe BS TopicClubs/Events/Regional/Political Airgun Issues Maintenance, Modification and Reviews----------------RiflesPistolsAntique, Collector and Novelty AirgunsBB GunsPellets/AmmoOpticsAccessoriesAirgun Smithing Buy, Sell or Trade Forums----------------For SaleWant to Buy   Note: If you are seeing "Please enter your username and password to log in." 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