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bonanza
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Reged: 17/05/04
Posts: 2335
Loc: South Carolina
Purdey cock on close.
      #208101 - 07/05/12 12:56 AM

I was reading about the Purdey cock on close sidelock action and was wondering that's such a good design for a dangerous game double rifle.

I had the pleasure of playing with one at Champlins a few years back and it was a bugger to get closed.

I guess most times one would not need the 3rd and 4th shot immediately like the 1st and second.

--------------------


"Speak Precisely" G. Gordon Liddy.

"Life is absurd, chaotic and we must define its purpose with our actions" Abert Camus

"I''m the dude playing a dude disguised as another dude."

"Yo! Mr. White"


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DUGABOY1
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Re: Purdey cock on close. [Re: bonanza]
      #208104 - 07/05/12 03:10 AM

Quote:

I was reading about the Purdey cock on close sidelock action and was wondering that's such a good design for a dangerous game double rifle.

I had the pleasure of playing with one at Champlins a few years back and it was a bugger to get closed.

I guess most times one would not need the 3rd and 4th shot immediately like the 1st and second.




I think you are right in wondering if that is a good idea in a double rifle used for dangerous game! The Purdey cock on closing is very hard to close because it is not only cocking the locks, but the ejector springs as well.

The normal cocking on opening not only separates the cocking operations but makes the cocking of the locks easier for two reasons. #1 it is only cocking the locks, and #2 the weight of the barrels assists in the cocking of the locks on opening and on closeing all that is cocked is the ejector springs. Even if the rifle has only extractors, the cock on opening is still is still easier, again because of the weight of the barrels giving assist in the cocking of the locks!

……………………..Just one man’s opinion, but the last thing I want is anything that hinders a quick closing of my rifle after a re=loading of chambers!

--------------------
..........Mac >>>===(x)===>
DUGABOY1, and MacD37 founding member of DRSS www.doublerifleshooterssociety.com
"If I die today, I have had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"


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Mike_Bailey
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Re: Purdey cock on close. [Re: DUGABOY1]
      #208223 - 10/05/12 07:52 PM

Sorry, been on holiday in the UK (weather awful as usual). I just saw this thread, I mentioned here a long time ago that this was one factor (there were others) which made me go for the Holland. I handled a Purdey at the shop (made for the Queen on her coronation so it obviously had never been used much) but it was VERY hard to close. best, Mike p.s. so are their shotguns but not to the same extent and they surely do fling themselves open but as Purdey used to say "a gentleman doesn't close his own guns"

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CptCurlAdministrator
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Re: Purdey cock on close. [Re: Mike_Bailey]
      #208228 - 10/05/12 09:47 PM

I have two Purdeys with the Beesley action (cock on close). One is a 12b shotgun; the other a .303 double rifle. The shotty has ejectors, but the rifle does not.









I would never insult any of you fine people here, but I must say if you find it difficult to close a Purdey gun or rifle you need to go on a physical training program. You must be little wimpy girly-boys with spaghetti arms.

I own and have owned numerous sidelock ejector guns and rifles built on the H&H locks. Given a choice I prefer the Beesley. Overall operation is smoother. They open like butter and eject without effort. They reload like any other, and there's no noticeable extra effort required to close them. Sure, at a table in a gunshow or at the maker's the Beesley will seem to close stiffer, but in the field or on the skeet range you will forget that.

I first noticed my preference on the skeet field when shooting rounds with my Purdey and alternating rounds with two other best quality SLE's with H&H locks. The Purdey is better over-all in my hands.

I'm just such a snob!

Try them, you will like them.

Curl

--------------------
RoscoeStephenson.com

YOUR DOUBLE RIFLE IS YOUR BEST FRIEND.



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bonanza
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Re: Purdey cock on close. [Re: CptCurl]
      #208230 - 10/05/12 10:13 PM

We can always find someone with first hand experience on this forum. Thanks Curl!

--------------------


"Speak Precisely" G. Gordon Liddy.

"Life is absurd, chaotic and we must define its purpose with our actions" Abert Camus

"I''m the dude playing a dude disguised as another dude."

"Yo! Mr. White"


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Paul
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Re: Purdey cock on close. [Re: bonanza]
      #208232 - 10/05/12 11:52 PM

I agree that cock-on-close actions are harder to use. So why did they go that way? Maybe it is analogous with the Enfield bolt-action outlook where the first consideration is getting the old case out when things get hot.

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DarylS
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Re: Purdey cock on close. [Re: Paul]
      #208236 - 11/05/12 01:13 AM

Curl- come on up and bring those 2 doubles with you - we'll go shoot some game.

--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V


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doubleriflejack
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Re: Purdey cock on close. [Re: bonanza]
      #208243 - 11/05/12 04:26 AM


I would never insult any of you fine people here, but I must say if you find it difficult to close a Purdey gun or rifle you need to go on a physical training program. You must be little wimpy girly-boys with spaghetti arms.

I own and have owned numerous sidelock ejector guns and rifles built on the H&H locks. Given a choice I prefer the Beesley. Overall operation is smoother. They open like butter and eject without effort. They reload like any other, and there's no noticeable extra effort required to close them. Sure, at a table in a gunshow or at the maker's the Beesley will seem to close stiffer, but in the field or on the skeet range you will forget that.

I first noticed my preference on the skeet field when shooting rounds with my Purdey and alternating rounds with two other best quality SLE's with H&H locks. The Purdey is better over-all in my hands.

Try them, you will like them.
Curl
------------------------
Curl,
I have found that the “uninitiated,” those with little or no experience in using self openers, are the most outspoken against self openers, as opposed to traditional doubles. Even the “little wimpy girly-boys with spaghetti arms” can close self openers EASILY, “ONCE THEY LEARN THE PROPER KNACK FOR DOING SO.” This is a quote from the English gun writer Gough Thomas, and I am of the opinion that he got it right!
Mac,
Self openers are not hard to close because of anything having to do with the ejector springs, but because of the added spring tension needed for the function of the self opening feature. The Beesley system uses only one spring, the guns mainspring itself, for cocking, firing, self opening, and ejecting. The gun is cocked strictly by the mainspring, automatically, each time the gun is opened—yes, opened. Once one is accustomed to using self openers, they do not slow one down in reloading or shooting speed, but, on the contrary, they speed up reloading/shooting. A self opening non ejector gun is faster than a traditional ejector gun, based on timed trials.

Many people, including some who should know better, get self openers and easy openers confused; some don't know the difference between the two. A self opener springs open just as smartly after firing, as it does when locks are cocked; easy openers do not. Only four true self openers have ever been developed and made in numbers: 1. the first and most significant by Frederick Beesley (his first design used, of course, by Purdey right up to the present day); his second concept, a modification of his original design, used by Charles Lancaster (Lancaster modified it again later, so at that time it became strictly a spring cocker with no cocking levers, 2. Holland & Holland design that was adaptable to boxlock or sidelock, 3. The Charles Rossen design, almost as adaptable as the H & H design. 4. the rarest design of all, by Gough Thomas. Naturally, other gunmakers made self openers, but most are variations of the Rossen concept. The Beesley design stands alone in being completely integral with the mechanics of the action and lockwork. It is unique in the way he integrated the functions of opening and cocking---all other systems use separate mechanisms that have no other function. It was a brilliantly integrated system, three separate and different functions, cocking, firing, and opening, ALL ACTIVATED BY A SINGLE SPRING, THE MAINSPRING within the action! References to the original Beesley/Purdey concept in many standard reference books are not accurate: J.H. Walsh, The Modern Sportsman Gun and Rifle, W.W. Greener in The Gun and its Development, Sir Gerald Burrard in The Modern Shotgun ALL GOT IT WRONG. Gough Thomas got it right, in his Second Gun Book of 1972.

Curl,
I FULLY AGREE WITH YOU, AND AM DELIGHTED TO SEE SOMEONE WITH YOUR REPUTATION STATING THE FACTS AS THEY ARE, AT A TIME WHEN SO MANY “ARMCHAIR EXPERTS,” WITH LITTLE OR NO EXRIENCE IN USING SELF OPERNERS, PROFESS TO SOMEHOW “KNOW” THAT SELF OPENERS ARE SLOW IN USE, TOO HARD TO CLOSE, NOT SUITABLER AS A DANGEROUS GAME RIFLE, ETC.
I have now had a chance, over years of use, to get familiar with, and use extensively, self opening double guns and rifles! As a result, I am now of the opinion that the overused cliched criticism that they are hard closers is, in reality, of no consequence to one used to operating a gun of this type, once one learns the way to do it properly. I know others who have come to the same conclusion. ONCE ONE USES AND GETS USED TO GUNS OF THIS DESIGN, NOTHING ELSE FEELS QUITE THE SAME. THE REASSURING SNAP CLOSING OF ACTION IS MISSED WITH OTHER SNAP ACTIONS. Self opening guns are much faster to operate than are conventional guns, for four, six, and eight shots, based on comparison timings of a given shooter. The opening is easily done with the right hand only, while the left hand is preparing for instantly reloading. I am of the opinion that self openers are the end result of the highest evolution of the double gun, a mechanical system that has been refined until there is nothing left to improve, what Gough Thomas calls "the aesthetic appeal of a perfected mechanism."

David Trevallion, and others, have said "self openers can be a bit stiffer to close than conventional guns," but Travallion says that those who make the most fuss about this are usually people who have never shot much with them, if at all, or who haven't learned how to use them properly." THAT, EXACTLY, HAS BEEN MY EXPERIENCE TOO! Further, he says that "self openers can be a great joy to use, and they really are faster in operation." However, a few gunmakers, of course, have tried to make the self openers less stiff on closing, including Stephen Grant (lifter on only one side of the action bar). I believe that I recall at least one gunmaker striving to make a more balanced opening/closing, by having one lifter cocking on opening, and the other on closing of gun.

Gaugh Thomas (Gough Thomas Garwood), the English gun writer, was a highly educated engineer who was quite gifted and clever with mechanics, also able to think outside the box. He was a profound fan of self opening guns, so much so that he DESIGNED ONE HIMSELF (specifically for a boxlock gun)! David Trevallion said that Gaugh Thomas knew his stuff, in the technical history of gunmaking as well as engineering. Gaugh Thomas said that "the self opening system confers a further advantage in that keeping the bite of lump right up to its locking bolt, stops the gun from shaking loose as soon as it otherwise would do." Travillion, in response, said that "as we have yet to find an instance when the old boy was demonstrably wrong on a point of engineering, we reckon he's right about this one too. Certainly we know from long experience that a Purdey can absorb an enormous amount of use before it needs to be rejointed."
DID I REMEMBER TO SAY THAT I LOVE SELF OPENERS?
FORGET YOUR PRECONCEIVED IDEAS ABOUT SELF OPENERS; LEARN THE KNACK OF USING THEM, AND YOU WILL LOVE THEM TOO.


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4seventy
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Reged: 07/05/03
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Re: Purdey cock on close. [Re: CptCurl]
      #208255 - 11/05/12 07:20 AM

Quote:

I must say if you find it difficult to close a Purdey gun or rifle you need to go on a physical training program. You must be little wimpy girly-boys with spaghetti arms.





Curl,
Of course the same can be said if someone finds a NON self opening double rifle difficult to open or close!


Man those Purdeys are nice!


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TH44
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Reged: 21/02/09
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Re: Purdey cock on close. [Re: 4seventy]
      #208256 - 11/05/12 08:15 AM

What's the matter with "little wimpy girly-boys"!!!!!!!!!!!! (Curl - you would not be allowed on the BBC with that comment!!)

As usual, you put us mere mortals in the shade with your beautiful guns

Many thanks for the pics

TH44


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CptCurlAdministrator
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Re: Purdey cock on close. [Re: TH44]
      #208261 - 11/05/12 11:25 AM

For those who like to "peek behind the curtain" I'll post a few photos of the inner workings. Here is a rather poor photo of the locks of my .303 rifle:



doubleriflejack has given a good explanation of how the Beesley system works. Even so, it's a bit hard to comprehend (at least for me, that is). These photos illustrate that when the lock is at rest the tumbler is in the cocked position, without spring tension.

One of the more interesting aspects of the system is to understand how the mainspring is tensioned. This is key to understanding how the lock works.

Here is a little brighter photo of the left lock of that rifle:



Notice the cam situated above the mainspring just to the rear, and above, the bar. The screw that secures the locks to the action extends through the central pivot of this cam. And to the rear of this cam is the buttress against which the tumbler falls if the rifle is dry fired. This cam impinges against a roller attached to the mainspring. You can see the roller behind the mainspring, secured by a small screw.

Now have a look at the water table:



You can see at the front of each bar there is a cam mounted on an axis in line with the hinge pin. There is a rod extending rearward through each action bar with one end impinging on the curvature of this cam.

As the barrels close these cams are rotated downward within the hinge, toward the water table. The curvature of these cams pushes the rods rearward. The other end of each rod impinges on the mainspring cam, previously mentioned. The mainspring cam rotates rearward with its curvature working against the roller attached to the mainspring, and thus depresses the top member of the mainspring. This supplies tension to the tumbler, working through the bottom member of the mainspring, which is linked to the tumbler by the stirrup.

When the trigger trips the sear out of bent, the tumbler rotates forward under spring tension to strike the firing pin. As this happens, the bottom member of the mainspring flexes downward while the top member remains stationary. However, not all of the spring tension is released by this movement.

Having fired the gun the shooter now opens it. The residual spring tension of the mainspring works in reverse against the mainspring cam, which in turn works against the cocking rod, which works against the knuckle cam, supplying force to open the barrels. As this happens, the top member of the mainspring flexes upward. In doing so, the rear portion of the mainspring, which has such an interesting shape, cams against the roller on the foot of the tumbler, thus rotating the tumbler back into bent and pulling the bottom member of the mainspring back into the position of the photograph. That completes the cycle that began by closing the action.

One very favorable by-product of this design is the strength afforded the action bars. On a gun with H&H type sidelocks or a normal boxlock, the tumblers are cocked by Anson & Deeley levers situated inside the action bars. A lot of metal must be milled out of the action bars to accommodate these levers. Much less metal is removed in a Beesley actioned gun: only holes drilled though sufficient to accommodate the cocking rods seen above. Look at the next photo and notice how solid the action bars remain.



Frederick Beesley was a genius. How he could invent something so elegant and utterly functional is amazing to me. I think Jack hit the nail on the head when he said it is the pinnacle of sidelock design.

Curl

--------------------
RoscoeStephenson.com

YOUR DOUBLE RIFLE IS YOUR BEST FRIEND.



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SAHUNT
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Re: Purdey cock on close. [Re: CptCurl]
      #208269 - 11/05/12 06:20 PM

Thanks to all contributers, I've learned a lot

--------------------
Life is how you pass the time between hunting trips.
Sometimes I do not express myself properly in the English language, please forgive me, I am just a boertjie.
Jaco Human
jacohu@mweb.co.za
SA Hunting Experience


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DUGABOY1
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Re: Purdey cock on close. [Re: doubleriflejack]
      #208283 - 12/05/12 03:34 AM

Quote:

Mac,
Self openers are not hard to close because of anything having to do with the ejector springs, but because of the added spring tension needed for the function of the self opening feature. The Beesley system uses only one spring, the guns mainspring itself, for cocking, firing, self opening, and ejecting. The gun is cocked strictly by the mainspring, automatically, each time the gun is opened—yes, opened. Once one is accustomed to using self openers, they do not slow one down in reloading or shooting speed, but, on the contrary, they speed up reloading/shooting. A self opening non ejector gun is faster than a traditional ejector gun, based on timed trials.




Doubleriflejack, I understand your position on the self openers. However that is not what I was responding to! The issue I was responding to is “COCK ON CLOSING” not on a self opening rifle but on a standard double rifle used for the hunting of dangerous game. In the case of the of the one rifle, and one shotgun offered in pictures by the good captain, the rifle not having ejectors, and being chambered for 303 Brit is further handicapped by being a Jones lever type latch, is not a dangerous game rifle anyway. However that is beside the point of the COCK ON CLOSING we are discussing. In this case the rifle IS cocked on CLOSING not opening. See the cams and cocking rods below:



Though this rifle is not fitted with auto selective ejectors it is still harder to cock than a cock on opening. If say this rifle were chambered for dangerous game cartridges, it would have another handicap that is very slow to get back in action after being fired, opened and re-loaded because of the way the lever works, and with no ejectors, having the dump the empties, then re-load, close on spring tension to cock, and work the lever again. This compared to a double rifle that is automatically cocked on opening and cocks ejectors on closing, with a locking system that snaps it’s self locked as soon as it is closed is a far better system for the hunting of dangerous game than the combination shown in the pictures. I was only agreeing with the poster who had some issue with cock on closing on a dangerous game rifle, nothing more.

Admittedly the rifle shown here is a fine rifle for the purpose it was made, that system has some serious draw-backs for hunting dangerous game, and that was the only thing I was addressing, not that the system you describe or that of the Capt’s rifle.

..................................................................

--------------------
..........Mac >>>===(x)===>
DUGABOY1, and MacD37 founding member of DRSS www.doublerifleshooterssociety.com
"If I die today, I have had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"


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DarylS
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Re: Purdey cock on close. [Re: DUGABOY1]
      #208291 - 12/05/12 06:53 AM

Beautiful Curl, thanks for those pictures. What a lock!

Not quite as complicated as this lock, but close.
Just for fun, no ofense meant. I really do appreciate fine locks. My brother made/built the one below, from scratch - dates late 1500's early 1600's.


--------------------
Daryl


"a gun without hammers is like a Spaniel without ears" King George V


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doubleriflejack
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Re: Purdey cock on close. [Re: DUGABOY1]
      #208320 - 13/05/12 07:29 AM

Statements by Mac

Doubleriflejack, I understand your position on the self openers. However that is not what I was responding to! The issue I was responding to is “COCK ON CLOSING” not on a self opening rifle but on a standard double rifle used for the hunting of dangerous game. In the case of the of the one rifle, and one shotgun offered in pictures by the good captain, the rifle not having ejectors, and being chambered for 303 Brit is further handicapped by being a Jones lever type latch, is not a dangerous game rifle anyway. However that is beside the point of the COCK ON CLOSING we are discussing. In this case the rifle IS cocked on CLOSING not opening. See the cams and cocking rods below:
----------------
Mac,
Granted, as anyone can clearly see, Curl's .303 self-opener, with Jones screw grip underlever will be “handicapped,” in reloading/shooting speed, compared to same with a top lever, as we see with his self opening top lever shotgun, which also has ejectors, by the way. Though his self-opening shotgun is obviously not a dangerous game rifle, it nevertheless functions exactly the same as one with Beesley/Purdey system, and as Curl says “overall operation is smoother, they open like butter, and eject without effort, they reload like any other, and there's no noticeable extra effort to close them..” All of this is accurate, in my experience, and applicable on dangerous game rifle having same Beesley self-opening function. AGAIN, THEY ARE FASTER IN OVERALL OPERATION, COMPARED TO TRADITIONAL SYSTEMS you refer to. By the way, Self-openers cock the tumblers on opening; not on closing, due to the mainspring opening its width; that is why they are called “spring cockers;” This is done automatically every time the gun is opened, but the tumblers, though they are cocked, are not under spring tension yet. On closing, the cams and rods you refer to, transfer some mainspring tension to bottom of tumblers, for firing, and especially give greater tension to lifter cams for self-opening function. For clarification of superiority of self-openers over traditional systems, see statement by Curl below, of which I think he is 100% correct:
Statements by Curl
“I own and have owned numerous sidelock ejector guns and rifles built on the H&H locks. Given a choice I prefer the Beesley. Overall operation is smoother. They open like butter and eject without effort. They reload like any other, and there's no noticeable extra effort required to close them. Sure, at a table in a gunshow or at the maker's the Beesley will seem to close stiffer, but in the field or on the skeet range you will forget that. I first noticed my preference on the skeet field when shooting rounds with my Purdey and alternating rounds with two other best quality SLE's with H&H locks. The Purdey is better over-all in my hands.”
_______________


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DUGABOY1
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Reged: 02/02/03
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Re: Purdey cock on close. [Re: doubleriflejack]
      #208329 - 13/05/12 10:58 AM

Noted and agreed to! However, for my purposes the H&H will do nicely!

.................................................

--------------------
..........Mac >>>===(x)===>
DUGABOY1, and MacD37 founding member of DRSS www.doublerifleshooterssociety.com
"If I die today, I have had a life well spent, for I've been to see the Elephant, and smelled the smoke of Africa!"


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