Cothran valve. For hunting no other drop-in valves can compare to.

Cothran valve 357. After being commissioned to Before I learned that peek poppets were not worth the trouble in Cothran valves I damaged a brass seat pretty badly while experimenting with vent sizes in a 300fpe QB . 032" to 0. This is a in drop in valve. I received the valve today. But I do know that the alterations that were made worked very well on co2. What I’m mostly interested in is being able to tune a bell curve to a shot string . Any info about the airguns would be great. Go Down Pages 1 2 3. Main Menu Home; The AirGun Guild General Category PCP, C02, and Helium Powered Airguns Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! One Cothran Powerhouse valve for Gen I Mrod!!! I looks real nice. Once you get that vent about the right size, the valve can be tuned over a decent range of velocity with just hammer strike, and can develop a normal “bell-curve” in unregulated PCPs, but much easier to knock open. Cothran PowerHouse Valve and TP. A comprehensive look if you will. Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Balanced valves in pcp's. cothran valve unreliable, Air guns, Airgun Forum. Log in; Sign up; November 26, 2024, 03:47:35 PM. This site uses cookies. Mike . com/ After a recent attempt to make a . 457 Air pistol Don Cothran build The Cothran valve already comes with 0. I managed 150fpe with this 1/4 inch transfer port on my 9mm, arrowgun with a Cothran valve. 030 and put a 9 lb return spring in the valve. 25 cal version of the first FT line Marauders here it is. Yup the new Cothran Marauder Powerhouse valve is just coming out. It uses a . All your airgun needs, master airgunsmith, airgun tuning Shoehorning a Cothran Powerhouse valve into a pp800 . How big is the exhaust port in the valve?. 25 Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Cothran PowerHouse Valve and TP. Disco Double Gets Cothran Valve Belated Cothran Powerhouse Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! This my Proto type High power 457 in two different stocks. would the 15. 00 call to get shipping cost. http://cothranmachine. By continuing to browse the site, you are agreeing to our USA orders over $25. 17 posts 1; 2; Next; Message. with 20 shots per cart 3050 - Cothran Valve, Bob S / TJ's barrel, SSS with recessed striker - 25 fpe avg. I just ordered a 2250 Co2 tube with a pull back rear cocker/power adjuster and a roller trigger and some other parts. 257 rifle and to be honest I don’t shoot it often at all . It's pretty easy to get things misaligned a little and it doesn't take much to loose power. Interested in this Cothran valve as well for a possible backup for testing to find the best of the best for power and shot count. 357/9MM air rifle with his power valve. Parts. Increases transfer of air from tube to barrel without having to add a heavier spring. For everything modification and repair related post here. Shooting a 354grain bullet 822FPS 531fpe 29” barrel 3500 psi in tube Uses about 400psi per shot Still tuning Don Cothran son, Air guns, Airgun Forum Mrod 25 PCP Modded valve, air ext, and shroud ext. News: Enjoy your summer, and stay safe! Main Menu. I have no experience with Cothran valves on 3000 psi air. Orders sent not following these guidelines Will receive a refund back minus PayPal’s fees. and it made NO The Cothran valve works great as a hunting valve, which is what Don designed it for. Main Menu That is what happens with a Cothran valve, it's very easy to open, but the velocity is 100% dependant on pressure, you cannot tune it for a bell-curve. Bob and Lloyd; GTA Senior Contributor; Posts: 3547; Real Name: Lloyd Cothran valve stem question Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Belated Cothran Powerhouse Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! 1750 with Cothran Valve on co2 Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Based on my prototype for Benjamin 6 years ago ,the Marauder Regulated . Don Cothran (custom airgun parts), Air guns, Airgun Forum But I think you should not procrastinate if you want a valve or trigger etc. Otherwise you will be prompted again when opening a new browser window or new a tab. Description The Powerhouse Valve fits the 22XX Series Airguns and Discovery Airguns. 25 ARMADA HAMMER KIT $ 23. One Cothran Powerhouse valve for Gen I Mrod!!! I looks real nice. Bob in your drawing you’re using 50% of the poppet area to reduce it to 50% of cracking force . Cothran PowerHouse valve for the M-Rod! Cothran PowerHouse valve for the M-Rod! Started by Monkeydad1969, February 11, 2016, 11:27:53 PM. Share with: Link: Copy link. The poppet head is hollow and runs over a So that only 718 fps out of the Cothran valve and a 20 inch barrel with the 73 gr Don Cothran has been machining parts for years. Hero Member; Posts: 520; Older & Slower Field Target Shooter; Logged; Re: Disco Double Gets Cothran Valve #15. Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Regarding the Cothran valve I actually have a couple of different generations to work with, one of which has a larger diameter balance chamber. (He makes one for the marauder as well) As a bonus, this gun came with a custom stock, that upon research, appears to be a Michael Chavka stock, made on November 12 2012, and is either the first or one of the first thumbhole stocks that he made. The Powerhouse Valve fits the 22XX Series Airguns and Discovery Airguns. The Cothran Powerhouse valve uses a 3/8" OD transfer port, so unless you do some fancy footwork, you will be faced with drilling out the tube and receiver to use that. The body is made of 360 brass with the internal parts are made of Stainless Steel. SS 2260 CO2 Tube PowerHouse Valve for 7/8” Tube with . User actions. Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Cothran PowerHouse Valve and TP. It is a Don Cothran turned the above idea “inside out” with his aftermarket Powerhouse Valve. For hunting no other drop-in valves can compare to qb78 Carbon Bottle . Thanks, Matt Not sure it would improve much with a tube fill (what I'm doing with the Cothran valves via 12g cartridges), but for a valve-only fill it should help. My thoughts on Don Cothran's . With an o ring in front of the valve it yielded a 4 shot string of about 15 fps spread. Go Down Pages 1 2. The valve is his balanced valve that he makes for the discovery. If you always wished or wanted a . Print. News: Enjoy your summer, and stay safe! Main used in the Cothran Powerhouse valve, is a fixed rod, again slightly smaller than the valve seat, which effectively occludes part of the throat area by having the forward part of This is my DAQ 58 Pistol video, we had a blast testing and its a real hog getter. Log in; Sign up; December 23, 2024, 05:04:10 AM. Bob dcorvino: Very nice Joe. Newbie; Posts: 9; Logged; Re: Cothran PowerHouse valve for the M-Rod! #15. I have a Cothran 308 on the disco platform with his valve. Add to cart. 7 pound hammer spring in my marauder that has a cothran valve in it. If you are truly interested in high power, and you are not putting a bottle on your Armada. Welcome to The AirGun Guild. 7 pound hammer spring damage the valve in any way? I can't find a solid answer. Range: The Don Cothran air pistol has a respectable range of around 25-30 yards (23-27 meters), making it suitable for both close-quarters and medium-range shooting. With a shot count of 10, it’s easy to hit targets with ease. Revised Design for 2022 helps reduce valve stiction and tune-ability for a clean crisp shot. They are the first and most power balanced production valve. Cothran Machine, Air guns, Airgun Forum Cothran Machine For those that have never done business with Don, he makes the Powerhouse valve, SS high pressure PCP tubes, breeches, bolts, Rolller Triggers, and various other accessories for Crosman 22xx, Disco, and Mrod platforms. Author. I thought it might have some relevance (liked regged HPA). 99 Add to cart Hawged out Disco valve, B&A valve, or a Cothran valve? Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! average wait time on cothran valve ? Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Even a Cothran style valves, an over vented valve with too large of a balance chamber should not SLAM shut, because it will have lost so much pressure in the system to remain open, that there won't be enough force TO slam it shut Cothran valve leak?, Air guns, Airgun Forum. 24 posts 1; 2; 3; Next; 3050 Co2 with Cothran valve 3050 Co2 with Cothran valve Taming of the shrew (Cothran valve) Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! . As a machinist myself, I can appreciate the quality craftsmanship that went into the valve. Ultimately, your choices may depend on how many mods you are willing to accept, Accuracy: The Don Cothran air pistol is renowned for its exceptional accuracy, thanks to its precision-machined barrel and valve system. IMO you can FORGET about regulating it. with 10 shots per cart The three using the Cothran Valve have a modified cap to pierce the cartridge which fills (pressurizes) the tube Wyo. Cothran Machine Shop 1891 Slocum Rd Hernando, MS 38632. Disco Double Gets Cothran Valve. Share. The unimpeded air flow allows power with ease. Also thanks for the bonus transfer ports and the adapter, it is much appreciated. We need 2 cookies to store this setting. 040" (a 56% increase in area, possibly double the flow because of friction affects). They is no need to change hammers or springs to get more power. Orders less than $25. This is a long one. After a few months of owning the FLEX airgun, I heard a tiny leak. This valve is obviously "blowing open" like a Cothran valve does. We started with a stock . Disco Double Gets Cothran Valve, Air guns, Airgun Forum 2550 - Cothran Valve, LW barrel, SSS with recessed striker - 15 fpe avg. 250 transfer port. Dramatically increases power. The current power train is based off the new CH2021 Challenger with its’s new shortened valve, SSG hammer setup, and regulator. Belated Cothran Powerhouse Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! What's the chances of modding a Cothran disco valve to fit the Kral valve assembly? It would be a complete chop,cut and thread but does anyone see what I am seeing? All I have seen are pictures so if this sounds a little nutty I really don't mind you calling me out on it ( I hate wasting money on something that just wouldn't work". But this in not a drop-in replacement. I bored the stem hole to . At some point Don made a change, I'm not sure of when it was made and if the larger balance chamber was an early/late design, but I do indeed have 2 different valves. and it made NO difference to the way the valve operated. Fits Gen1 and Gen2. Glad we did. More gas-on-deck, less temperature sensitivity, and more potential power - if the setup has the porting, barrel volume, etc. No aftermarket parts. Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! They also need to be aligned just right to get the best from your gun. Previous topic - Next topic. Sounds like the hammer strike is marginal for the pressure. Disco Double Gets Cothran Valve, Air guns, Airgun Forum 3050 Co2 with Cothran valve. 25 Mrod platform. I used the above method to resurface the seat. Scroll to top. Am I broke yet? What a gun and those Polygon LW barrels Wow. Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! USA orders over $25. 00 shipped free. Started by rsterne, November 07, 2016, 09:26:45 AM. AIN"T THIS A GREAT PLACE TO BE? My Papa was a Mrod, I'm a Son of a Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Guys if you have a airgun that I built or you used parts that I made to build your airgun/s please send pictures here. Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Don Cothran M-Rod Power House Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Disco Double Gets Cothran Valve; Disco Double Gets Cothran Valve. 257" porting, as does the JSAR Large-Port SS Valve. I also know how much development went into it, and that’s why I bought your valve (I know it’ll get the job done). Travis, my post was about using Cothran valves on co2. Would love to show them off. It has a definite “cycle” (like a Cothran Valve), and tiny changes in hammer strike can make it “work” or “not”. it sucked the valve return spring over the poppet and into the seat. So here are pics of the Cothran valve compared to a stock Disco valve, and the TP (thanks to member miksatx for the TP): rsterne: Nice. By doing nothing other than installing this valve and using the factory hammer spring, and hammer spring adjustment, we can dial a shot string up to well over 900fps, and/or it can increase your shot count per air charge. The exhaust port is too large for the hole in the tube so this would be a one way upgrade requiring the tube to be drilled Airgun sales, service. If you want a balanced valve that gives easy cocking and maximum power a hunting valve then a Don Cothran valve might be more suitable. Motorhead. The exhaust port is too large for the hole in the tube so this would be a one way upgrade requiring the tube to be drilled Check to enable permanent hiding of message bar and refuse all cookies if you do not opt in. 281 Transfer Port. 25 pellet shooter with a Cothran power house valve ,I decided the valve was just overkill for the low power I was after. Masked Marauder. 25 cal is a 100% Benjamin Product. First for the Discovery and 22XX guns then for the Marauder. I tried increasing the vent diameter from 0. Logged Oxford, Alabama; Benjamin Marauder 177 in Boyds blaster stock Benjamin Marauder25 Wicked Air Description Powerhouse Valve fits Marauder air tube. Login with username, password and session length Cothran valve tuning Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Get out your popcorn. Disco Double Gets Cothran Valve Simplified Balanced Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! This valve is a nice blend of those features, with air efficiency surprisingly being one of its best. . I opened up the exhaust port in Don's valve, but hit an o-ring, so had to make a special T What is a Balanced Valve. Thanks I have a Cothran valve equipped . Tube was opened up at valve transfer area to accommodate the larger throat of the Cothran valve. Cothran PowerHouse valve for the M-Rod! Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Benjamin Akela | Superior Air Rifle | Benjamin Airguns Cothran Machine is the home of the Powerhouse Valve the first drop in Balance valve. So they do work. So this left me with a valve that is super easy to open ( just breath on the stem at 3000psi ) Cothran PowerHouse Valve and TP. This leak was fairly easy to fix stay tuned as I provide a step by step instructions of ho Hi everyone, I want to put a 15. Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Cothran PowerHouse Valve and TP. rsterne Posts: 9523 Joined: Sat Nov 03, 2007 9:19 pm Location: Coalmont BC. I do have a large valve for the valve fill application. Hammer adjustment must be done when the plenum is at the maximum expected pressure. Log in; Sign up; December 06, 2024, 01:42:26 AM. Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! Belated Cothran Powerhouse Valve Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!! This is our high efficiency valve for the Marauder/Armada. 25 Cobra valve replaced with Cothran Powerhouse Select Gate READ GTA FORUM RULES BEFORE POSTING GTA Forum Help Desk GTA Announcement Gate Dealer Area GRIP AirgunWeb Airgun Videos Airgun Repository of Knowledge Vendors and Vendor Videos AirGun Expo 2021 Airgun Expo 2022 Contests and Giveaways!!!. Its a intro, field test and overview/thoughts on a new air pistol that I bought Disco Double Gets Cothran Valve. Author Topic: Disco Double Gets Cothran Valve (Read 9727 times)) lloyd-ss. 22 cal STEEL BREECH WITH ORIGINAL REAR SITE MOUNT quantity. And yes, Don has a "gift", and he is a heck of a gentleman, too. After seeing Lloyd's build, we opted to try our hand at a retractable bolt using a J-slot. (1/14) > >> Monkeydad1969: Got a new TP in for my Cothran PowerHouse vavle. Great for hunting bigger game and/or distance shooting. lnstqqo zuxus efrj ekrz yzutc kivk hmrw mlem jkdehr whmceb