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Early in World War I, zeppelin airships were used by Germany to bomb London and Paris. The airships were not very successful, due to the obvious vulnerability presented by their large and fragile bags of highly explosive gas floating gently above a war zone. To successfully bag a zeppelin one needs to know its altitude, distance down range, velocity, size, projectile air resistance and projectile weight. In the 21st century we don't shoot down zeppelins, we shoot down fast, low-flying supersonic jet planes. There are a lot of differences. One need not use ballistic ordinance at all to hit a low-flying plane. One of the major differences is that in the case of the zeppelin one can predict the intersection of the airship and the antiaircraft projectile. In the case of the jet, not only does one knows in advance exactly where in space the missile will intercept the plane, one doesn't need to know. The renaissance period of software development methods was between about 1975 and 1990. Not that there haven't been great strides since then, but renaissance period saw the first approaches to establishing methods, process and management models for software production.

The article discusses the science behind modern cartridge design including the .300 WSM, 6.5mm Creedmoor, 6mm Creedmoor, and the .224 Valkyrie. The author talks about its design and features and the design characteristics of long-standing traditional cartridges. Topics include impact of design on the projectile performance, bullet aerodynamics, and accuracy standards of design.

The article provides an overview of projectiles and loads for heavy bullet, the .223/5.56 AR-15s. Topics covered include some notes on brass, shoulder bump, and neck tension, the use of the Alliant Reloder 15 or Vihtavuori N140 powders in 90 grain loads for 20" service rifle barrels and suggestions to order the Bartlein Gain Twists with tall 0.218" land deep 0.2245" groove.

Abstract: An estimate is obtained, by small-parameter methods, of the error of the solution for the system of equations of motion of a projectile in the atmosphere, linearized for small angles of attack with respect to the variables describing the angular oscillations of the axis of symmetry, compared with the solution of the initial non-linear system for the same initial conditions. [Copyright &y& Elsevier]

The article discusses the study on the effectiveness of applying elastomeric coatings to building foundations to mitigate fragmentation from a bombing. It details how the study was conducted which led to the development of a laminate design that is more resistant to ballistic penetration when combined with lower weight. The results reportedly revealed that elastomeric coatings can improve steel armor's resistance to high-speed projectiles.

The article offers step-by-step instructions for making bullets (projectiles) with perfect lands and grooves for ballistics.

The article presents Part II of a series on comparing cartridges for relative trauma potential for killing animals, focusing on the relationship between penetration and terminal drag of projectiles. It explains the impact velocity parameters within which bullets deliver the most reliable terminal performance, or the optimum balance between weight retention and expansion. Topics include stagnation pressure, aerodynamic drag or a bullet's ballistic coefficient, and the work potential of a bullet.

The article features bullets which have colored plastic tip at the end. It notes that bullet buyers have paid attention to the little flashy appendages. The appendages are made not only for cosmetic reasons. The article explores the benefits associated with having a bullet capped off and examines if the appendages are marketing fluff.

The article offers a guide to placing a bet on a cartridge race. Though dedicated, or proprietary, cartridges may offer some profit or ego satisfaction for their owner/developers, do not bet on any of them becoming the next ballistic sensation. Unlike ordinary do-it-yourself wildcats, proprietary rounds are cloaked in semi-respectability, usually, but not always, by dint of being head-stamped with their proprietary name. Meanwhile, the most successful dangerous-game cartridge of modern times is the .458 Winchester Magnum.

Presents the author's ideas on the selection of game bullets for hunting in Texas. Importance of the penetration of the bullet; Accuracy of Nosler Ballistic Tip bullets; Performance of the Nosler Partition game bullets. INSET: Essential Facts.

Evaluates two projectiles developed by ENVIRON-Metal for hunting. Dead Coyote! Varmint Bullets; Dead Coyote! Shotshells.

The article reports that the Nosier Ballistic Tip bullet provides minimum penetration and maximum expansion. Nosier states that the bullet is designed to provide about 8 inches of penetration. A bullet must penetrate into the vitals or it is not performing adequately. A bullet should be chosen for the worstcase scenario, not the perfect situation. The bullet penetrated through to the shoulder, breaking the pelvis and both shoulder bones, leaving an exit wound about 4 inches across.

The article focuses on the sling, which is the considered the first ballistic weapon by man and was a staple in many arsenal for at least six millennia. The sling is comprised of two lengths of leather, sinew or braided fabric extending from a rounded pouch and is used by slipping a finger on the looped end of the cord and pinches the knotted end of the other cord between thumb and finger. Later slingers featured a notched staff to increase leverage and hurl a heavier missile, which was inspired by the siege catapult.

This article presents information related to technical aspects of the railwaymounted Paris Gun. The 264-pound projectiles soared 25 miles into the stratosphere, reaching their target in 170 seconds. Formally known as the Kaiser Wilhelm Geschutz Long-Range Guns, the weapons were produced by the dreaded Friedrich Krupp AG munitions firm. The guns used bored-out, 380mm naval cannons, each fitted with barrels that were 131 ft. long. Seven were produced, though never more than three operated at any time.

Remington Arms Co. Ltd.'s BuckHammer Slug is a true breakthrough in design, a full-bore slug seated in a sabot like stabilizer. These projectiles shoot beautifully through rifled barrels and expand to almost 1 inch across knockdown power.

Features the .233 Winchester Super Short Magnum bullet used for hunting. Advantage of the .223 with other .22/250 by 170 feet-per-second bullets; Details of bullets with plastic tips; Result of using polymer-tipped bullets.