Medium Mark C (Hornet) Medium Tank (1918)
The Medium Mark C was a promising tank design by World War 1 standards, with large outstanding orders cancelled at the end of the war.
Origins of the Medium Mark C stemmed from a rivalry that developed between two former work mates - Sir William Tritton and Major Walter Gordon Wilson - both of whom were eventually awarded by the British government as co-inventors of the "tank". Tritton served with the William Foster & Company while Wilson, formerly of the Royal Naval Air Service, now served in the British Army. Tritton moved ahead without Wilson in the development of the Medium Mark A "Whippet" tank to which Wilson set about in generating an all-new tank design all his own, this becoming the Medium Mark B of 1917. In response, Tritton called upon his chief designer - William Rigby - to come up with a competing design to Wilsons. The new design was penciled and presented to the British Army for review. The British Army accepted the design on April 19th, 1918, to which the prototype was constructed and made available in August of 1918.
The Medium Mark C was slated to fill an initial production batch of 200 vehicles while the war was still in full swing. This was later amended to become a 600-strong order. However, the war officially ended in November of 1918 and all Medium Mark C wartime orders were cancelled. The thirty-six tanks that lay unfinished in the factory were completed delivered to the British Tank Corps, 2nd Tank Battalion. Of note became the four Medium Mark C's taking part in the 1919 victory parade that followed the armistice. This group was eventually given a further fourteen new-build Medium Mark C tanks to strengthen their ranks - many of these systems pieced together from available spare parts. The tanks capabilities and "newness" in design and construction ensured that Britain kept her close to home and, as such, the Medium Mark C was not deployed in actions outside of England.
Design of the Medium Mark C was typical for the time. The tank sported a rhomboidal shape with two long-running unsprung track systems fitted to both sides of the hull. The forward portion of the tracks was raised to help tackle battlefield obstacles such as trenches and mounds. Each track system was fitted to a rudimentary hull design to which was affixed a static superstructure. The superstructure gave a taller profile but, the same time, improved visibility for the crew via vision slits and machine gun ports for engaging enemy infantry. The tank commander was given a rotating turret atop the superstructure. The Medium Mark C sported a long hull and its layout made it a relatively good cross country negotiator - considering the European countryside was littered with battlefield debris and trench networks - the latter of which the Medium Mark C could better navigate over than her predecessors. Armor thickness was a reported 14mm, providing protection against small arms fire. Entry and exit was via hinged doors along the track hull sides.
The Medium Mark C was powered by a single Ricardo 6-cylinder gasoline engine developing 150bhp at 1,200rpm and tied to an epicycle transmission system. Maximum speed was limited to 7.9 miles per hour while range topped out at 75 miles. The engine was fitted into a separated compartment at the rear of the hull and made accessible to the crew from within the vehicle. The crew was comprised of the tank commander, driver, machine gunner and mechanic. Communication for the crew was via speaking tubes - helpful in combating the onboard noises developed by the engine and structure. Armament was up to five Hotchkiss-type 7.7mm (.303 caliber) defensive machine guns fitted to the superstructure on ball mounts - two placed forward, two single fittings along the side panels and a single fitting facing to the rear.
World War 2 tanks generally came in two forms - "male" and "female". This terminology basically dictated the type of primary armament afforded to each. The male version was typically fitted with cannon armament while the female version was outfitted with defensive machine guns. The Medium Tank C was only produced in its female form though a male form was planned and designed but never put into production. It would have fitted a 6-pounder gun to its forward superstructure. A battlefield recovery version was also nixed though one existing Medium Mark C did serve to evaluate a new transmission system for a time.
After 1925, the Medium Mark C was replaced by the Vickers Medium Mark I and Mark II tanks. The last Medium Mark C was melted down as late as 1940.
The Medium Mark C tank was deployed to Glasgow to help quell unrest in the 1921 strike. This effectively summarized the Medium Mark C's operational action history leaving the imagination to wonder of the tanks impact in the Great War should it have continued beyond November of 1918. Text ©2003-2013 www.MilitaryFactory.com • All Rights Reserved • No Reproduction Permitted
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Specifications for the
Medium Mark C (Hornet)
Medium Tank
Country of Origin: United Kingdom
Manufacturer: Fosters - UK
Initial Year of Service: 1918
Production: 50
Focus Model: Medium Mark C (Hornet)
Crew: 4
Overall Length: 25.75ft (7.85m)
Width: 8.89ft (2.71m)
Height: 9.65ft (2.94m)
Weight: 22.4 US Short Tons (20,320kg; 44,798lbs)
Powerplant: 1 x Ricardo 6-cylinder gasoline engine developing 150bhp at 1,200rpm.
Maximum Speed: 8mph (12.64 km/h)
Maximum Range: 75 miles (120 km)
NBC Protection: None
Nightvision: None
Armament:
4 OR 5 x 7.7mm Hotchkiss machine guns
Ammunition:
Not available.
Variants:
Medium Mark C - Base Series Designation
Medium Mark C (female) - 5 x machine guns
Medium Mark C (male) - Proposed cannon-armed variant; never produced; would have fitted a long-barrel 6-pdr main gun in forward superstructure.
Battlefield Recovery Vehicle - Proposed; never produced.
Operators: United Kingdom
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