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A Churchill tank in a hull down defensive position made a particular contribution to Allied success. In one encounter, on 21 April 1943, during the start of the Battle of Longstop Hill, a Churchill tank of the 48th Royal Tank Regiment got the better of a German Tiger I heavy tank. A 6 pounder shot from the Churchill lodged between the Tiger's ...
In convective heat transfer, the Churchill–Bernstein equation is used to estimate the surface averaged Nusselt number for a cylinder in cross flow at various velocities. [1] The need for the equation arises from the inability to solve the Navier–Stokes equations in the turbulent flow regime, even for a Newtonian fluid .
Churchill AVRE with fascine on tilt-forward cradle. This particular example is a post-WW2 AVRE on the MK VII chassis. Proposed by a Canadian engineer as a result of experience from the Dieppe Raid, [2] the Assault Vehicle Royal Engineers (AVRE) was a Churchill Mark III or IV equipped with the "Mortar, Recoiling Spigot, Mark II" (or Petard), a spigot mortar [a] that throws the 230 mm (9.1 in ...
The ultimate evolution of the British infantry tank concept began with the Churchill Mk I, where a hull-mounted 3-inch howitzer could support infantry assaults with high explosive shells while the turret had a 2-pounder for use against other tanks. [a] As the increasing size of tanks, and their turret ring diameters, allowed such a howitzer to ...
Tank, Infantry, Black Prince (A43) is the name that was assigned to an experimental development of the Churchill tank with a larger, wider hull and a QF 17-pounder (76.2 mm) gun. It was named after Edward, the Black Prince , son of Edward III and heir to the English throne.
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Work on the Churchill infantry tank had begun before the war began, with specification A20. This developed into the A22 specification when France was lost, and frontline requirements changed. A22 had rapid development, with design completed around one month after the specification was released. Tanks began rolling off the production line a year ...
Churchill tanks on the Dieppe beach. The Y-shaped pipes on the rear decking are exhaust pipe extensions to allow deep wading. Although Duplex Drive allowed landing craft to release tanks farther from shore, the alternative deep wading gear permitted a tank to drive partially or completely underwater on the sea floor rather than swim.