How hard was the pratt and Whitney r4360 engine to repair or replace?

1. What was the most powerful radial engine of ww2?
2. Are radial engines reliable?
3. What was the most powerful piston aircraft engine?
4. Does Pratt and Whitney still make radial engines?
5. Why was the Merlin engine so good?
6. Why was the Merlin better than the Allison?
7. Why don't they use radial engines in cars?
8. Why did we stop using radial engines?
9. Why radial engines have odd number of cylinders?
10. What was the Titanic's horsepower?
11. What plane has the most HP?
12. What's the most powerful engine in the world?
13. What is wrong with Pratt and Whitney engines?
14. What does WASP stand for in engines?
15. Where are Pratt and Whitney engines built?

What was the most powerful radial engine of ww2?

The Pratt & Whitney R-4360 Wasp Major is an American 28-cylinder four-row radial piston aircraft engine designed and built during World War II. At 4,362.5 cu in (71.489 L) the largest-displacement aviation piston engine to be mass-produced in the United States, and at 4,300 hp (3,200 kW) the most powerful.

Are radial engines reliable?

Reliability – Simply put, the radial engine is generally much more reliable. This is because it features a shorter crankshaft, simpler design, and creates less vibration. That less vibration means that it will suffer from greatly reduced levels of wear and tear during use.

What was the most powerful piston aircraft engine?

The Lycoming XR-7755 was the largest piston aircraft engine ever built in the United States, with 36 cylinders totaling about 7,750 in³ (127 L) of displacement and a power output of 5,000 horsepower (3,700 kilowatts).

Does Pratt and Whitney still make radial engines?

The Pratt & Whitney R-985 Wasp Junior is a series of nine-cylinder, air-cooled, radial aircraft engines built by the Pratt & Whitney Aircraft Company from the 1930s to the 1950s. ... Over 39,000 of these engines were built, and many are still in service today.

Why was the Merlin engine so good?

But well-designed liquid-cooled engines like the Merlin could run for long periods beyond normal operational limits without overheating, as liquid cooling is more efficient than air cooling, particularly for the cylinder head and valves. And they could operate at higher altitudes, reducing risk from anti-aircraft fire.

Why was the Merlin better than the Allison?

The Merlin was generally more temperamental and less reliable than the Allison, but it did produce more power. The better financed teams generally used Merlins, while those with less money typically used Allisons. ... The mere fact that the top teams were using Merlins was an important factor in its success.

Why don't they use radial engines in cars?

That's because they are designed to fit behind an aeroplane propeller and be air cooled by the airflow from flight and that prop. That means they are large diameter, and if you tried to fit them under a car hood/bonnet, the driver would never see over them.

Why did we stop using radial engines?

The main reason for this is cost. Radial engines cost more to produce than the flat engines commonly used on general aviation craft. They were more of a solution for larger and/or higher power aircraft. And for these applications, they have been replaced by more powerful and reliable turbine engines.

Why radial engines have odd number of cylinders?

Extra "rows" of radial cylinders can be added in order to increase the capacity of the engine without adding to its diameter. Four-stroke radials have an odd number of cylinders per row, so that a consistent every-other-piston firing order can be maintained, providing smooth operation.

What was the Titanic's horsepower?

RMS Titanic

Two reciprocating steam engines – with a combined output of 30,000 horsepower and each weighing 720 tonnes – and one low-pressure turbine powered the Titanic. They needed the steam produced by 29 boilers, each capable of holding more than 48 tonnes of water.

What plane has the most HP?

Compare that to today's beastly mode of transport: the Boeing 777. Bangalore Aviation points out that a single GE90-115B engine puts out over 110,000 horsepower, or more than twice the design output of all the Titanic's steam engines.

What's the most powerful engine in the world?

Developed by Wärtsilä Corporation, the 14-cylinder Wärtsilä RT-flex96C engine is also the world's most powerful engine with an output of 80,080 kW (108,920 bhp). The 14-cylinder Wärtsilä RT-flex96C engine is a major breakthrough for ship propulsion.

What is wrong with Pratt and Whitney engines?

Investigators said a broken fan blade caused the failure. That 777 also had Pratt & Whitney 4000 series engines, similar to the ones that failed in each of Saturday's troubled flights. A National Transportation Safety Board report said the failure in 2018 was caused by a fan blade that broke off and damaged the engine.

What does WASP stand for in engines?

United States. Manufacturer. Pratt & Whitney. The Pratt & Whitney Wasp was the civilian name of a family of air-cooled radial piston engines developed in the 1930s, 1940s, and 1950s. The Pratt & Whitney Aircraft Company (P&W) was founded in 1925 by Frederick B.

Where are Pratt and Whitney engines built?

Pratt & Whitney, based in East Hartford, Connecticut, is owned by Raytheon, the defense contractor, which acquired P&W in April. Pratt & Whitney has seven facilities in the United States, including an engine assembly plant in Middletown, Connecticut.