How Does it Work: Blow Forward

This video provides an in-depth analysis of the Schwarzlose 1908 pistol's unique blow-forward operating system using high-speed footage up to 3500fps. It details the mechanical timing, showing how the slide remains closed until the bullet exits the barrel, followed by case ejection. The feeding cycle is also observed, highlighting the reliability of this unusual mechanism.

This video provides an in-depth, high-speed analysis of the Schwarzlose 1908 pistol's unique blow-forward action. Utilizing footage captured at 3500fps, the review meticulously details how the barrel assembly moves forward only after the bullet has exited the chamber, confirmed by observing muzzle blast. It also examines the feeding mechanism and discusses the pistol's functional reliability despite its seemingly precarious design.

This YouTube video showcases the unique blow-forward action of the Schwarzlose 1908 pistol in slow motion. Originally filmed without a high-speed camera, the creators returned to the range to capture the intricate mechanics of this historical firearm at 1/4 speed. They highlight how exceptionally fast the pistol's operation is, even when slowed down significantly, noting that rifle actions appear sluggish in comparison. The final clips are further slowed to approximately 1/12th speed, offering a detailed and clear view of the pistol's internal workings.

The Schwarzlose 1908 is a rare blow-forward semi-automatic pistol, one of only three commercial designs of its type. Designed by Andreas Schwarzlose, approximately 10,000 were produced between 1908 and 1911. Its unique blow-forward action, where the barrel and slide move forward, results in significant felt recoil. Disassembly is noted as 'finicky,' and range testing reveals it to be one of the most uncomfortable .32 ACP pistols to shoot due to its action and ergonomics.

This review details a rare pre-production Pancor Jackhammer Mk3 prototype, a gas-operated, blow-forward selective-fire shotgun developed by John Anderson. Despite its innovative design, the project failed due to funding issues and export restrictions. The Mk3 variant features design improvements like a solid aluminum top rail and a unique revolving drum magazine, though this specific unit is non-functional, lacking a complete firing mechanism.

This presentation explores the evolution of semiautomatic pistols in the 1890s, driven by smokeless powder. It highlights early designs like the Salvator Dormus and Schoenberger-Laumann, the commercial success of the Borchardt M1893, and innovations from Bergmann, Mannlicher, and Mauser. The video concludes by discussing the challenges of early production and the path to iconic designs like the Luger.

This video details the unique 'French Finger Trap' issue with the MAS-36 rifle's bayonet, where two rifles can become unintentionally locked together. A 1951 French arsenal memorandum identified this problem, proposing a simple modification to the bayonet handle. Drilling a small hole allows a tool, like a firing pin, to depress the internal spring, enabling the separation of locked rifles.

The M134 Minigun is a scaled-down 7.62 NATO rotary cannon, requiring 24V DC power and consuming 1.5 kW. Its high rate of fire (3,000+ RPM) is essential for aircraft engagement windows. The complex delinker mechanism is critical for feeding ammunition, and practical hand-held use is impossible due to weight and recoil. Live fire demonstrates rapid ammunition consumption and the need for indirect aiming.

The H&K G11 is a revolutionary prototype assault rifle designed in the late 20th century, notable for its caseless ammunition and unique rotating drum bolt mechanism. Despite advanced features like a 2000 RPM burst fire rate and integrated optics, its development was ultimately halted by geopolitical shifts and cost concerns.

This video demonstrates the assembly and live-fire of the German 1936 pattern light mortar (L.Gr.W.36). It highlights the mortar's leveling mechanism for accuracy and the difficulty in visually tracking its 50mm projectiles after firing. The content showcases historical military hardware and its operational use.