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Part of the reason is the safety of 2 engines. But military engines do not come in a very wide range of thrust and performance parameters. So if your airplane needs more thrust than a single engine needed for specific reasons can deliver, then 2 smaller engines within the performance parameters will be used.
Why are twin jets more efficient?
If more thrust is needed, then they break it down into three or four. “Twin engine airliners tend to have more excess power” they climb faster may be relevant in terms of efficiency, but part of the reason a twin will usually have more reserve thrust is due to the redundancy “keep flying” rules described above.
Can a twin engine jet fly with one engine?
A twin-engine plane can fly perfectly well on only one engine. In fact, it can even continue the take-off and then safely land with just one engine. An engine failing in flight is not usually a serious problem and the pilots are given extensive training to deal with such a situation.
What was the first twin engine fighter in the US Navy?
It was the first twin-engine fighter to be deployed by the USN. While the Tigercat was delivered too late to see combat in World War II, it saw action as a night fighter and attack aircraft during the Korean War. Designed initially for service on Midway -class aircraft carriers, early production F7Fs were land-based variants.
What kind of engines do twin engine planes have?
Twin-engine fighter-bomber aircraft, powered by two Pratt & Whitney R-2800-22W radial piston engines. First production version, 34 built. Single-seat night fighter aircraft, fitted with an APS-6 radar. Night-fighter prototype, one built.
What is the fastest fighter jet in the world?
Performance of the prototype and initial production aircraft met expectations; the F7F was one of the fastest piston-engine fighters, with a top speed significantly greater than single-engine USN aircraft — 71 mph faster than a Grumman F6F Hellcat at sea level.
What was the first F7F-1N aircraft?
The first production variant was the single-seat F7F-1N aircraft; after the 34th production aircraft, a second seat for a radar operator was added and these aircraft were designated F7F-2N .