1 Downloaded from https://www.everyspec.com ~AMCP 706-210 from 200 sec to 10 sec so that each 0.1-sec red dome light during blackout conditions. setting represents a circumferential movement (6) The fuze is shipped in a ready-to-use of 0.07 in. This increase eliminates the need for condition, requirb.,g no setting for muzzle ac- a vernier., tion. (Previously, fuzes were set to safe, thus 12) The setting torque was reduced so that requiring a setting before firing.) the nose can be turned by hand. A wrench is If one remembers the trying conditions under thus no longer required. A knurl is provided on -which the user must adjust a fuze, one can un- the nose to insure a good grip.
derstand why this amount of attention is re- (3) The time setting is held by the release quired for so simple a device as a time-setting button. When the button is pushed, the nose mechanism. turns freely. The button has five teeth that mate with an internal ring gear whose pitch is such that each tooth represents 0.1 sec. When From the many publications available in both the button '-, rleased, it will lock the setting classified and unclassified literature, a basic at any 0.2-sec increment, library has been selected for the fuze designer. (4) To eliminate the need for tiring tables, These general references, listed at the end of the scale is calibrated directly in meters.
Lines this handbook, are identified by a letter to are numbered for every 200 meters up to 4400 make multiple referral easier. meters. The intermediate 100-meter settings Specific references used for the material dis- have a tick mark. Incidentally, the scale is uneven cussed in this handbook are listed at the end of because the increments are on a time base. each chapter. Other Engineering Design Hand- (5) The size, shape, and '.nickness of the books also contain information pertinent to numbers and the numbered lines were selected fuzes. For a list of current titles, see the inside experimentally so as to be readable under the back cover.
REFERENCES a-t Lettered references are listed at the end of 6. AMCP706-235, Engineering Design Handbook, this handbook. Hardening Weapon Systems Against RF Energy. 7. ABCA-Army-STD-101A, Standardization of 2" Fuze Holes and Fuze Contours for Artillery 1. Robert N. Grosse, An Introduction to Cost- Projectiles 75 mm and Larger in Caliber In. Effectiveness "lnalysis, Research Analysis cluding 81 erm, 4.2" and 107 mm Mortars, Corporation, McLean, Va., July 1965, AD-622 American-British-Canadian-Australian Armies 112. Standardization Program, 5 April 1966. 2. J. D. McCullough, Cost-Effectiveness: Esti- 8. TM 9-1300-203, Artillery Ammunition, Dept.
of riating Systems Costs, Rand Corporation, Sep- Army, April 1967. tember 1965, AD-622 023. 9. AMCP 706-135, Engineering Design Handbook, 3. AMCR 70-28, Research and Development Sys- Inventions, Patents, and Related Matters. tems lnal sis, Army Materiel Command Regu- 10. Morgan, et al., Human Engineering Guide for lotion, August 1966. Equipment Designers, McGraw-Hill Book Co., 4. MIL-STD-721A, Definition of Terms for Reli- N. Y., 1964. aliity Engineering, Dept. of Defense, 2 Aug- 11. AMCP 706-134, Engineering Design Handbook, ust 1962. Maintainability Guide for Design. 5. AMCP 706-110, Engineering Design Handbook, 12.
MIL-STD-1472, Human Engineering Design Experimental Statistics, Section 1, Basic Con- Criteria for Military Systems, Equipment and ceptq and Analysis of Measurement Data. Facilities, Dept. of Defense, 9 Feb. 1968. 2-7