Juste pour le plaisir (et comme ça je suis à un chiffre rond de 350 messages
.................... j'aime bien les chiffres ronds
)
La firme Baïkal est occupée à mettre au point un remplaçant de son ij 27.
Au regard de ce qui en est dit, cela promet une belle surprise dans le domaine.
Je vous laisse le découvrir tant en texte qu'en images (désolés pour la langue, mais rien trouvé en français)
http://tdbaikal.ru/about/news/%D0%9C%D0%A0-234/
Et maintenant explications en anglais (certes un peu long, mais intéressant pour les amateurs de canons lisses.)
Baikal are working on a replacement for the excellent Baikal Mod 27 O/U Shotgun...
The details are Here... And since it is in Russian I've provided the English translation as best as I could.
Hope they become available in the UK and at a reasonable price..
MP- 234.
Development History and Features
Develop a new model began in 2007 . The development objective was to create a new base model sporting and hunting rifle barreled with vertical shafts , as well as - replacement gun MP- 27 and did not meet expectations The MP -233 .
In the original form of the terms of reference (TOR ) included the following items:
1. Reducing the mass of guns to 3.4 kg;
2 . Improving the strength and vitality of locking a Model MR -27M ;
3 . Caliber 12h89 during the design and test for checking the strength and vitality ( with the possibility of introducing later ) , caliber 12h76 at the production stage ;
4 . Reducing the height of the profile of the receiver ;
5 . Removable ( using a tool , not a quick- as on the model MP- 233 ) odnospuskovoy trigger with selector and relatively low MR -233 trigger pull ;
6. Improving the reliability of trip ejector mechanism;
7. Interchangeable choke tubes ;
8. Development had envisaged the use of a promising new high-tech equipment with higher quality barrels , wood , appearance of the final product ;
9. Reducing the amount of manual operations priplotochnyh by narrowing and manufacturing tolerances on CNC machines .
Block MR -234 after milling in the OC
First the general ideas that formed the basis for this later guns were worked Evseev Constantine , author of the famous " self-charging " MR-153 . He proposed scheme tsapfennaya suspension barrel unit and the upper unloading hooks , as well as the basic structure of the new trigger . Later Evseev switched on , now is a model MP- 155, and to develop " vertikalkoy " is no longer involved .
More than 95 % of all work carried out to create a gun Yuri Yuminov . They have been proposed and tested on samples with the numbers 01 - 04 are implementing various schemes lock ( it has remained virtually unchanged) , the trigger as the upper and the lower location whispered inertia ( in the case of a misfire for the production of the second shot is needed kick butt about something solid , but reduced the likelihood of dual shot) and mechanical ( re simply pull the trigger , and the defense mechanism of the double shot in odnospuskovom USM has undergone significant changes ) disconnector , selector different designs , as well as mechanisms for charging and an ejector mechanism .
Yuri Yuminov
It should be recalled that any more or less significant change trigger entails large-scale change in the most difficult parts gun - receiver. All this work was actually performed Yuri alone.
Since 2011, the work of preparing documentation in versions for 28 and development shop for the Department Chief Technologist (preparation for the development and mass production ) Yuminovu helped carry young designer Alexander Konishev .
Led the development of the gun honored inventor of the Russian Federation , Laureate of the Udmurt Republic and the Russian Federation , the leading designer Vitaly Votyakov .
Basic weight reduction and improved his gun balance achieved substantial processing barrel unit . First, the initial versions chambered 12h89 was revised on the outer contour of the tube trunks themselves , and the material changed from 50A to become high-quality alloy steel barrel 30HN2MFA sandwiched tolerances for variation in wall thickness ( factory joke that for many years Yuminov - first person who managed to push technologists and " pinch " tolerances) .
Secondly, were applied mezhstvolnye lightweight strap . Also planned arch rib ( type MP- 155 ) , but it was not even presented prototypes due to the complexity of its manufacturing technology and rations at the time had not yet mastered the production . Uninterrupted (due to increase manufacturability and reducing the complexity of manufacture and assembly ) ejector mechanism of selective type ( ejecting the spent case only ) and arming mechanism partially resemble those in the models of the firm " Beretta ".
The design of the MP- 234 , you can see the elements of several world-famous models - from TsKIBovskih rifles to modern Western . But none of the patent law is not violated.
However, Yuri not only managed not to fall under foreign patents , but still reduce the number of mechanical parts , increasing their reliability and manufacturability . Wiring the trunks on tsapfennoy scheme ( the so-called unloaded journal Woodward ) is now used throughout the massive guns even under powerful cartridges , it has proved to be quite reliable ( with proper workmanship ) .
This design reduces the height profile of the receiver to make the gun more elegant and visually less massive. Since the box was lower and latch mechanism forearm migrated from other models IMZ ( lowest point forearm remained at the same level relative to the channel axis of the lower trunk ) , had when paired forearm forming lines and boxes to make thinner layer of wood (by the way , was only laid walnut not beech or birch) , sacrificing its strength in this place.
Advanced production technology pad MP -234 machining centers allows to do without surround factory " napillinga "
To avoid breakage more elegant forearm , was twice extended stem hinge. Because of this latch forend now be attached directly to the metal hinge and tree bears much smaller load when fired . Upper unloading stops on the breech sleeve showed themselves only with the best hand , taking the load off the hook grenade . They create a second foothold barrel unit , stabilizing its fluctuations and reducing its relative deformation during firing . Such stops ( but combined with knotted at node locking them ) are used in models of Beretta , including sports , as well as meet other producers (mainly in copying Italians Turks) .
Due to the wider receiver managed to make the strike plate is much wider than in the model MP- 27 , now it is not fixed in cantilever , and comes also in lateral slots in the walls of the box , so that was increased rigidity of locking mechanism . After finishing stage of scientific research ( R & D) , TK was corrected. The final version featured mass caliber rifle to 12h76 not more than 3.3 kg. Caliber 12h89 ( due to the small demand ) is not considered.
USM removable , switching sequence shots by squeezing the trigger forward , taken with MR -27 , except for a fundamentally new mechanism for the protection of the double shot. Steel trunks 50A, applied maximum unification of parts and pieces ( except, of course , command : box hinge and breech coupling ) Model MR -27 (due to the complexity of the transition to a new range of production details.) Protection mechanism " sdvoek " now tracks both phases of movement to roll back gun ( acceleration phase at the very shot and braking phase interaction with soft tissue and skeleton arrow).
release trigger is derived from the time-tested MR -27.
USM experienced fitting based on the MR -234
Summary:
At this stage ( October 2013 ) under development shop 28 produced the first consignment of guns MP -234 , passed all the test and getting the certificate. Actual weight of the first two games of guns according to measurements is 3.18 kg . At the plant in preparation for mass production . At the initial stage is planned to produce in small batches . Further plans to gradually , over several years , the replacement of guns family MR -27 (complete or not , the decision has been made yet ) .
Judging by the not always constructive criticism has not yet appeared in the sale of guns and a few hysterical reaction hunters on internet forums , people have understandable concerns that the new product may be uncompetitive , dropping the already shaky credibility of the domestic manufacturer of hunting shotguns .
Nevertheless , the majority of hunters do not suffer unnecessary snobbery and hoping for a revival of our oruzhproma actively interested in novelty. If the plant ( now became a part of the group "Kalashnikov" ) be able to keep a decent level of quality of the new model in mass production , it has a good chance to take a worthy place in the niche of inexpensive desktop gun.
It makes sense to stay a little more. Judge: Shotgun weight - 3.2 kg. Unlikely now you can find modern " vertikalku " with a steel receiver with a smaller mass than the Izhevsk new items .
Retail price of a standard gun MP- 234 in Izhevsk is expected to reach 20 thousand rubles. Neither "Turk" in the price segment from 20 to 30-35 thousand rubles for the aggregate manufacturing quality ( and the quality of the materials used ) with MR -234 simply can not compete . We can assume that the serial MR -234 more or less decent " Turks " will play only one - in the outer gloss . For some hunters it may be important . But it may be advisable to remove the tree from some Turkish "masterpiece" like SARSILMAZ SP- 300 or the like (including - higher price range ) that would ensure that much-loved by many ( although they well understood ) the term " corporate culture " has acquired a practical color.
And yet - waiting for the appearance of the first consignment of MR -234 . Then it will be a good occasion to discuss in detail already sensational gun, and at the same time , considering the state of the market at the moment, to talk about the prospects of new items Izhevsk .
Looking at the stock " 234 -ki ," I want to believe that he will go into a series of the same : elegant and comfortable .
The lower part of the receiver MR 234 is not visually different from MR -27. Strict polished metal surface is attractive , a sort of "black widow"
Article published in "Hunting " , December 2013
Amicalement de moi à tous ............................. deviens fou moi
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Mar 12 Mai 2015 - 8:40
