It is necessary to understand the difference between clamping force and the amount of torque applied to the screw or bolt. The second design was dramatically improved by careful reading of stuart ottesons the bolt action rifle. Within you will find background and details of the german armys organisation and equipment from the beginning of the war the invasion of poland in 1939 to the very end. Using the elements of frdparrc, a strategy can first be developed, and then detailed concepts can be created. Tank war book is the first of a new generation of supplements for bolt action. An introduction to the analysis and design of bolted connections. This slip may be adequate to release the end moment and make the beam behave as a simply supported one. Bolted connections ii version ii 34 2 the connector behaviour is assumed to be linearly elastic, whereas in reality, if bearing bolts are used, due to the hole size being larger than the bolt shank some slip is likely to take place. Machine design bolt selections and design dimensions of standard threads unfunc strength specifications grades of bolts. Full text of s otteson the bolt action rifle vol i internet archive. Bolt action is a type of firearm action where the handling of cartridges into and out of the.
Used cleverly, this creates a huge tactical shift as you can order multiple units to fire or advance in concert. We will begin analysis with the m98 breeching system. Pdf this study investigates the fem analysis for a 750 kw wind turbine which suffered from bolt fatigue damages at the tower top flange. Help you understand and learn to use nasastd5020a for threaded fastening systems, and provide insight into its development.
A design analysis stuart otteson, ken warner, winchester press on. Design analysis in rock mechanics balkema proceedings and monographs in engineering, water and earth sciences des. The 2nd edition offers the same fantastic world war ii gameplay with its exciting order dice system and mixed armies of infantry, tanks and artillery. Even if the bolt does not fail during assembly, it may later break under the external tensile load.
The bolt action 2 by stuart otteson 1984, hardcover. The design facts collected and interpreted by stu here are likewise his and he got them from the guns. When designing a bolt pattern, it is important to have an understanding of the loads that the pattern will need to resist in operation as well as the way in which those applied loads will distribute among the individual bolts in the pattern. In both cases, major consideration is given to the fundamental. The book is intended to provide a comprehensive source of information on bolted and riveted structural joints as well as an explanation of their behavior under various load conditions. This tutorial explains how to use connections, contacts frictional and bonded contacts, as well as.
Bolt action the bolt action a design analysis by stuart otteson volume i. The trg action is a hammer forged round body action with flats cut on the sides, top, and shoulders. Calculating k b and k c are relatively difficult and. The most commonly used types of structural bolts are 1 the astm a307 grade a carbon steel bolt, 2 the astm a325 highstrength steel bolt, and 3 the astm a490 quenched and tempered alloy steel.
Armies of germany 2nd edition is a supplement for our award winning tabletop wargame bolt action, and deals with the german army of world war ii. He is a working engineer who owns and operates a lot of boltaction rifles. Digital armies of germany 2nd edition pdf warlord games ltd. Design recommendations are provided for both allowable stress design and load factor design. I hope that you have understood how a bolt action rifle work. Other related chapters from the nasa fastener design manual can be seen to the right. From blitzkrieg to north africa, from the russian front to the dday landings, bolt action puts you in command of the most brutal and famous battles of the second world war. Share methods of analysis and help you understand their applications and limitations. Straight pull rifles in depth analysis of three popular straight pulls detailed tests. Written by an engineer but very easy to read with excellent drawings.
One of the most significant turning points in modern rifle design was the development of the bolt action. The design of a connection or interface follows the same process as the design of a structure, and indeed, the ability to visualize the system, as also discussed on page 86, is a critical skil l. Bolt materials proof load is the maximum load that a bolt can withstand without acquiring a permanent set proof strength is the quotient of proof load and tensilestress area corresponds to proportional limit slightly lower than yield strength typically used for static strength of bolt good bolt materials have stressstrain. It has a thick tang and uses three action screws m6 metric which is uncommon among modern rifles.
Bolt action is a type of firearm action where the handling of cartridges into and out of the weapons barrel chamber is operated by manually manipulating the bolt directly via a handle, which is most commonly placed on the righthand side of the weapon as most users are righthanded. That player chooses a unit to give an order to and activates it immediately, taking an order test if necessary remove a pin marker if successful. Clamping forces the bolt force is e b c b b i k k f k f f where k b and k c are the bolt and the clamping material stiffness and f i is the initial bolt tensioning. Guide to design criteria for bolted and riveted joints. Search for library items search for lists search for contacts search for a library. A design analysis by stuart otteson online at alibris. Mar 26, 2020 conclusion bolt action rifle mechanism. Pretension is often adjusted by applying torque to the bolt, screw, or nut. Fatigue failure analysis for boltnut connections having. A very detailed analysis of the workings of these bolt action rifles. Bolted joints resist shear only by clamping action and friction. The title of this book is bolt action rifle and it was written by stuart otteson. The first is from stuart otteson, the bolt action rifle, volume ii. Bolt action quick reference sheet battlemind gaming.
Otteson did a great job of selecting the most common bolt actions out there and deconstruction them to find their strengths and weaknesses. An extremely good reference detailing the strength, accuracy and efficiency of the bolt action firearm, from its origins to present day use by both military and sporting marksmen. There should be enough engagement between the bolt threads and internal threads that the bolt fails in tension before the threads shear. Engineering design handbook guns series automatic weapons. Fatigue failure analysis for boltnut connections having slight pitch differences using experimental and finite element methods xin chen1,2, naoaki noda1, magd abdel wahab2, yuichiro akaishi1, yoshikazu sano1, yasushi takase1, gusztav fekete3 1 department of mechanical engineering kyushu institute of technology, kitakyushu 8048550, japan. This book covers most common bolt actions and discusses there relative benefits. Past research has shown that the design of these connections is controlled by either the strength of the endplate, determined by yieldline analysis, or the strength of the bolts, determined by the semiempirical kennedy method. In tracking down the origins of the bolt action, stuart otteson went back to the patent offices and the history books and when they were available, spoke to the men who had actually designed the actions themselves. By overtightening the bolt, one may exceed the proof load of the bolt. Bolt representation b example thread callout for drawings. A bolt is just a form of leadscrew, and hence the analysis presented in. Slight foxing to edges but very good in faded dustwrapper.
It is principally about the 1900 action and its design, but also gives a brief history on the 1600 action, as well as the history of husqvarna and ffvcarl gustaf. An introduction to the analysis and design of bolted connections a suncam online continuing education course. Of course, it doesnt include every type of tank or every kind of armoured car that will all be covered in the forthcoming supplement when it finally forthcomes. Both shear and tension are transferred through anchor bolts to resist design forces such as uplift due to wind. This pdf is the most up to date source for rulings and replaces any previous documents. An introduction to tank war by alessio cavatore warlord. Bolt action british paratroopers assault german fortified positions.
I hope that this article may be helpful for you and can also increase your knowledge of the bolt action rifle as a professional gunman. Too much clamping force can also cause severe problems. With careful dimensions and a practicing engineers analysis of a series of mauser and mauserlike actions at my disposal, the second revision was more precise, less chunky, and now included careful consideration of a number of safety and operational concerns, from feedramp design and. Digital bolt action 2nd edition rulebook pdf warlord.
From the analysis above, im sure youve got the exact answer to your concerns. I cut out the parts directly on the husqvarnas from the original, complete books. Varma lc clear distance, in the direction of the force, between the edge of the hole and the edge of the adjacent hole or edge of the material in. He took the time to carefully draw many of the unique features the drawings are not dimensioned unfortunately, and measure things like bolt lug area and spring pressures to give you real data to compare the different actions. Digital bolt action 2nd edition rulebook pdf warlord games ltd. I thought id post the pdf s i have found that have information on husqvarnas. The action is fairly long for what is generally considered a short action.
Provide a valuable reference and a trail to data sources. With careful dimensions and a practicing engineers analysis of a series of mauser and mauserlike actions at my disposal, the second revision was more precise, less chunky, and now included careful consideration of a number of safety and. The bolt action is still common today among sniper rifles, as the design has potential for. A design analysis 9780876911754 by stuart otteson and a great selection of similar new, used and collectible books available now at great prices. A bolt pattern is arrangement of bolted joints, typically four or more, that connect two or more components together. These effects result from the way the joint is loaded, as well as how the joint responds to the load.
Would it be an alright idea if i made a poland list for bolt action which would be the border protection corps with supporting elements from the 10th motorized cavalry brigade. This page provides the sections on proper bolt torque from barrett, fastener design manual, nasa reference publication 1228, 1990. Bolt preload theory and application pdf sda has provided both on and offsite expert engineering analysis services in support of new and existing aircraft, spacecraft, and mechanical design since 1997. Gunsmithing and rifle books alaska outdoors forums. Bolt action is a type of firearm action where the handling of cartridges into and out of the weapons barrel chamber is operated by manually manipulating the bolt directly via a bolt handle, which is most commonly placed on the righthand side of the weapon as most users are righthanded. The con nection without prying selected for this purpose is the concentrically. Design analysis in rock mechanics pdf free download. Few draftsmen have so clearly and economically delineated firearms mechanisms. An introduction to the analysis and design of bolted. As the armies of series is now complete with italy and the axis, the following books will expand the ways you can play the game, as well as helping you to give more historical depth to your armies. Check out the furrer threads at forgotten weapons, as one of the gentlemen posted a link to a html version of chinns the machinegun, vol 4, which contains design formulae. The battle of the bulge campaign book is divided into easy sections that take a brief look at a particular historical time frame, the combatants involved including any special characters that made an appearance then move on to introduce the special bolt action scenario, with any special rule or new units clearly explained, along with the.
The ideal outcome of any analysis of a particular weapon is to identify its type, model. Librarything is a cataloging and social networking site for booklovers. Had the idea due to the battle of jordanow i just really want to field a tks tankette and a renault r35 and have it make sense. Bolt and leveraction shotguns of a design introduced in the late 19th. Loads can be applied to bolted joints in a number of different ways, each of which produces unique effects on the joint. The analysis shows that the reduction of bolt tension.
The bolt action is superior for sporting rifles today not only for these basic. Librarything is a cataloging and social networking site for booklovers all about the bolt action. Simplified method for design or moment endplate connections. The bolt action a design analysis stuart otteson first. But when the final design is achieved and working the way it was intended, and equally important, other people like it, it becomes worthwhile. The effects of external working loads, thermal expansion, and.
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