North Cape Publications P.O. Box 1027, Tustin, CA 92781 1-800/745-9714 PUBLISHERS OF FINE BOOKS FOR THE GUN COLLECTOR Does this rear sight belong on a.45-70 Springfield Trapdoor carbine with this serial number?
Answer: No, it does not. It was installed on original carbines between serial numbers 85,000 to 99,000. If you did not know that, you might need The.45-70 Springfield book. Which rear sight was used on an M1 Carbine made in March 1943? If you picked the top one, you are incorrect. Answer: The bottom sight was in use until mid-1944, the top sight after early 1945. If you did not know, you might need the M1 Carbine, Wartime Production book.
The M 84 Scope is a perfect addition to your collection of M1 Garand or 1903 Rifle parts and accessories. With original M 84 scopes now approaching over $1000 the market for a high quality reproduction like this scope It also had a 'W' prefix to the five digit serial number.
The M1 Garand used nine variations of stocks. This type of stock was manufactured by whom and used in what serial number range? Answer: Springfield Armory between s/n 80,001-950,000 and Winchester Arms between s/n 2,305,850 to end of production. If you did not know that, then you might need The M1 Garand 1936 to 1957 book. The WWII Model1903A4 Sniper Rifle used a specific telescopic sight. Which of these two is the real sniper scope for this rifle? Answer:The top one.
The M73B1 was based on the Weaver 330-C telescopic sight. The bottom scope is the Weaver 330-S which did not have “click” stops on the elevation and windage knobs.
The 330-S was never acquired by the U.S. Military for the Model 1903A4 Sniper Rifle.
Examine the adjusting knobs carefully. If you did not know that, you might need Collecting the American Sniper Rifle 1900 to 1945.
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You do not have to be an Amazon.com member to order. Simply click on the button and you will be taken directly to the book. Collecting the American Sniper Rifle 1900 to 1945 Collecting the American Sniper Rifle 1945 to 2000 JUST RELEASED!
The Model 1911 and Model 1911A1 Military and Commercial Pistols 3rd Edition 7th EDITION! M1 Carbine OUT OF STOCK 8th EDITION revised and expanded will be available soon. The American Krag Rifle and Carbine NEW EDITION! The.45-70 Springfield, 5th Edition 4th Edition Revised and Expanded The M1903 Springfield Rifle and its Variations.
The M16/AR15 Rifles The British Enfield No.1 Rifle 3rd Edition Revised The British Enfield No. 5 Rifle Volume 2, 3rd Ed. Revised British Enfield Rifles-Vol.
4, The Pattern 1914 & U.S. Model 1917 Rifles The M-14-Type Rifles New, 6th Edition M1 Garand 1936 to 1957 NEW EDITION The SKS Carbine 5th Edition Winchester Lever Actions Vol.I 1866, 1873 & 1876 Winchester Lever Actions Vol.II 1886 & 1892 Winchester Lever Actions Vol.III 1894 & 1895 Colt Brevete Revolvers The Mosin-Nagant Rifle 6th Ed. The Swedish Mauser Rifles, 3rd Revised Edition Campaign Clothing: Field Uniforms of the Indian War Army, 1866 to 1871 A Guide Book to U.S.
Army Dress Helmets 1872-1904 New Expanded 4th Edition AK-47 and AK-74 Kalashnikov Rifles and Their Variations Swiss Magazine Loading Rifles 1869 to 1958 Selected Books From Other Publishers North Cape Publications, Inc. Continues to fulfill orders directly from customers for the following books. Contact us via email at or phone us at 1-800 745 9714. Spencer Repeating Firearms Loading Cartridges for the Original.45-70 Springfield Rifle and Carbine Sold Out Remington.22 Rimfire Rifles The MP38, 40 and 41 Submachine Gun.
Table of Contents: WCB Standards. Only applies to leg protection devices manufactured prior to February 1, 2011. Applies to leg protection devices manufactured after February 1, 2011. F S 14.9 x L Metric Units For the vertical edge beam. F S 333 x L Imperial Units f S = edge beam section modulus, (in 3, cm 3) W = width of guard (in, cm) L = length of guard (in, cm) f = allowable working stress (MPa, lb/in 2) 2.1.3 Supports The perimeter frame shall be secured to the structural parts of the cab.
Such structural parts shall be adequately designed and constructed to resist all loads imposed on them by the Guard. 2.1.4 Fastenings If bolts and nuts are used in the fabrication of the guard, they shall conform to or exceed the ASTM Designation A325 requirements, or conform to SAE Standard J429 and J995 grade designation 5 through 8. Impact Strength Requirement All members of the guard shall be made of material with good impact absorbing properties. The following guideline may be used:. Low carbon content (less than 0.28%).
High ratio of manganese to carbon. Low phosphorus content. Fine grain size. Heat treated.
High ultimate energy resistance Examples of steel meeting or exceeding the above requirements:. ASTM A36, CSA G40.21 33G, 44W - for plates, bars and angles CSA G40.21 50 W - for HSS 2.3. Visibility Requirements Minimum interference with operator's visibility shall be one of the governing criteria in the design and positioning of the vertical members of the guard. If flat bars are used as grid elements, they should be in a radiating pattern in line with the operator's line of sight. Each grid opening shall not be greater than 64 square inches (413 cm 2).
Location Guards shall be installed in front of all window areas exposed to flying or intruding hazards. All guards shall be positioned at least 4 inches (10 cm) and not more than 8 inches away from the glazed windows or exterior faces of the cab. Structural Details 3.1. Minimum grid element size shall be 3/4 inches diameter steel rods or equivalent.
Grid element rod sizes shall be proportionately increased as the dimension of the guard increases. Gusset plates shall be incorporated where the length of the edge beam exceeds three feet. Minimum edge beam size shall be determined in accordance with 2.1.2 but shall in no cases be less than 2 1/2 inch x 1 1/2 inch x 0.125 inch HSS. Materials with equal or better properties may be used in place of those stipulated in this Standard.
Design Aid 4.1. Equivalent Strength Table Grid Element 3/4' dia. Mild Steel Rod 7/16' 6 x 19 IWRC Wire Rope. 7/8' dia. Mild Steel Rod 1/2' 6 x 19 IWRC Wire Rope. 1' dia.
Mild Steel Rod 5/8' 6 x 19 IWRC Wire Rope. 4.2.
Typical Design Overall Dimension: 44' x 44'. Alternate Grid Element X-Section Size: 3/4' dia. Mild Steel Rod 7/16' 6 x 19 IWRC Wire Rope Edge Beam 3 x 3 x 5/16 Angles ASTM A36 or CSA G40.21-33G 2 x 2 x.125 HSS (50 ksi yield) CSA G40.21 (40.16 and 40.17). Wire Rope may be considered as equivalent provided they are adequately anchored and tensioned. (See illustration attached).
WCB Standard: G604 Light-Duty Screen Guards For Off-Highway Equipment, March 1990. © Workers' Compensation Board of British Columbia. All rights reserved.
No part of this document may be copied, reproduced, or distributed for profit or other commercial enterprise, nor may any part be incorporated into any other publication, without written permission of the Workers' Compensation Board of B.C. Scope This standard pertains to equipment such as tractors, loaders, skidders, where screen type guards are required to protect operators against flying or intruding objects. The guards are intended to resist the penetration by flying or intruding objects or materials into the critical zone which is defined as the Deflection Limiting Volume (DLV) in the SAE Recommended Practice J397a for off-highway equipment. Purpose This standard is intended to describe requirements for the design of supports and framework, and selection of screen material pertaining to light-duty screen guards. Terminology and Illustrations. 1.3.1 For the purpose of this standard, the following definitions shall apply:.
'Equipment' includes tractors, loaders, skidders and other types of off-highway equipment where operator protection in the form of light-duty screen guards is both necessary and practical. 'Framework' means the frame consisting of the edge stiffeners and intermediate stiffener(s).
'Screen Guard' consists of screens, stiffeners, and all supporting brackets necessary to secure the Guard to its supports. 'Stiffener' refers to any structural member adding rigidity to the screen. It also serves to transfer loads applied to the screen onto the supports. 'Supports' refer to the structural members supporting the Screen Guard, and are usually part of the ROPS (Rollover Protective Structure). 1.3.2 The illustrations are to clarify the terminology used and not to be construed as model designs.
Please see Illustration 5. Location of Screen Guards 2.1.
Back screen guard shall be provided in the area behind the operator. Side screen guard shall extend forward from the back screen guard to at least the forward edge of the operator's seat and shall extend vertically to at least the full height of operator's control area (ROPS or canopy). The screen should not obstruct or restrict the operator's egress from his control area. Front screen guard, where necessary and applicable, shall be provided in front of the operator's control area. Design and Fabrication Requirements 3.1.
Design and Fabrication Requirements for Supports 3.1.1 The supports shall be adequately designed and fabricated to resist all loads that the screen guards would likely impose upon them. 3.1.2 On mobile equipment equipped with a rollover protective structure (ROPS), the Screen Guards may be attached to parts of the ROPS, provided that such attachment does not adversely affect the performance of the ROPS. All such attachments shall be clamped unless welding is permitted by the ROPS manufacturer or a Registered Professional Engineer. Design and Fabrication Requirements for Screen Guards 3.2.1 The Screen Guard shall resist the penetration by flying or intruding objects or material into the Deflection Limiting Volume as defined by the SAE Recommended Practice J397a. 3.2.2 The screen mesh material should have sufficient flexibility so that the applied load could be distributed over its entire area. Woven, welded wire mesh or other materials of equivalent or better strength properties are acceptable.
3.2.3 The screen mesh shall be fabricated of steel wire material of 6.35 mm (1/4') diameter minimum, having a maximum clear mesh opening of 4.44 cm x 4.44 cm (1 3/4 inch x 1 3/4 inch) square. Such mesh shall be welded to the Framework and should not be welded directly to any ROPS. 3.2.4 The spacing of the edge and intermediate stiffeners should be designed in accordance with the attached 'Stiffener Chart.' 3.2.5 All free edges of a screen shall be reinforced with stiffeners having a minimum width of 2.5 cm (1 inch) and with the following section modulus: Where S = applicable section modulus which shall not be less than.82 cm 3 or (.05 in 3), based on fy = 36 ksi, 250 Mpa L = unsupported length (in) or (cm) 3.2.6 All intermediate stiffeners, where used, shall have a section modulus as recommended in 3.2.5. Minimum Design Criteria The following design criteria may be used in lieu of the recommended sizes and dimensions: 3.3.1 Any area of the screen shall be designed to resist a 18,000N (4,000 lb) static force applied over an area of 62 cm 2, (9.6 in 2). 3.3.2 The screen deflection shall not exceed the limits set by Deflection Limiting Volume per SAE Recommended Practice J397a.
Disclaimer: The Workers' Compensation Board of B.C. ('WorkSafeBC') publishes the online version Occupational Health and Safety Regulation ('OHS Regulation') in accordance with its mandate under the Workers Compensation Act to provide information and promote public awareness of occupational health and safety matters. The online OHS Regulation is not the official version of the OHS Regulation, which may be purchased from Crown Publications. WorkSafeBC endeavours to update the online OHS Regulation as soon as possible following any legislative amendments. However, WorkSafeBC does not warrant the accuracy or the completeness of the online OHS Regulation, and neither WorkSafeBC nor its board of directors, employees or agents shall be liable to any person for any loss or damage of any nature, whether arising out of negligence or otherwise, arising from the use of the online OHS Regulation. Employers are legally obligated to make a copy of the Workers Compensation Act and the OHS Regulation readily available for review by workers. The circumstances under which WorkSafeBC may consider an employer's providing access to electronic versions of the Act and OHS Regulation to have satisfied this obligation are described in Guideline G-D3-115(2)(f).