THE RP-3 (Rocket Projectile 3 rocket projectile 3 inches) was an air-to-ground rocket (ie, used by aircraft for ground attack) made ​​and used by the British during World War II. I could use a warhead of 27 kg (60 lb) so it was also called “60 lb rocket” (60 lb rocket)


The unguided rocket 3 inches (76 mm) rocket was a development of 2 inches (51 mm) which was already in service with the British Armed Forces and was used in antiaircraft barriers defending the islands from attacks by the Luftwaffe


The rocket body was an iron pipe diameter of 76 mm (3 inches, hence the name). The tube containing 5 kg of the substance was cordita propellant. The warhead was bolted to the upper end of the tube, usually with a load of 27 kg HE (high explosive, high explosive) or a 11.25 kg AP (armor piercing, armor-piercing), but many more were available and are compatible to be used on a standard tube rocket munition RP-3.

At the rear of the tube 4 small flaps were producing high rotation needed (rocket) for stabilization. Due to the fact that the rocket could not be guided to hit was a matter of judgment and experience. Moreover, the rocket path loss suffered enough (the farther was white, was less linear path and therefore more rocket deviated) so that unless a were chopped point was a difficult issue. Release pathways were fixed wing aircraft could not be released and caused enough resistance so that the plane that had installed lower benefits obtained.

As a result, the accuracy of the rocket was very poor, even if he were to make white the results were very satisfactory. Against little white fast and very large (such as ships, etc.) the RP-3 was a formidable weapon, and that is why the first time I used a 3-inch rocket was anti-ship operation in 1942

Rocket motors 3 inches (without warhead) were used in Disney bomb buster pump, 19 rocket propelled gravity along with 4,500 pounds (2,000 kg) of the pump to 990 mph (1,590 km / h) on impact with the target.

In combat

The RP-3 was used in the British Hawker Typhoon fighter-bombers and Bristol Beaufighter. A typical installation consisting of 4 rocket launch on the tracks under each wing, so that they are fired in pairs to the target (one of the right wing with another left wing) Havilland Mosquito bombers were also popular platform rocket fire as it was capable of carrying eight missiles, 4 under each wing. Even a Mosquito variant was equipped with a rocket launcher fast 57 mm (2 inches), which gave the firepower Mosquito similar to a cruise saves, making him an excellent anti-aircraft ship.

In 1945 some British Sherman tanks were equipped with two-way release, one on each side of the turret, so he could throw 2 rockets with HE 27 kg each, thus earning the name of Sherman Tulips (Tulips Sherman) . These modified Sherman were used in the crossing of the Rhine by the The 1st Coldstream Guards (British armored unit).


•Length: 1,397 m

•Propellant charge: 5 kg of cordite, electric release

•Maximum speeds: 480 m / s

•Range: 1,600 m

•Weight: 21 kg with a warhead of 11 kg AP


◦27 kg HE / SAP (HE / semi-armor piercing, High explosive / semi-armor-piercing)

◦27 kg HE / GP, (HEAT)

◦8 kg HE

◦11kg AP (Armour piercing, armor-piercing)

◦11 kg A / S (Anti-Submarine/anti-submarino)

◦27 kg Practice (for practice with inert filler)

◦Practice 5kg (for practice)

Weapons of World War II the United Kingdom

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