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Author Topic: Sound barrier is 767 mph  (Read 179 times)

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Offline CoconutXO

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Sound barrier is 767 mph
« on: November 13, 2019, 11:58:21 PM »
Back in WW2, they found that propeller-driven aircrafts experience increasing drag as they get closer to supersonic speeds of 767 mph.

Basically, propellers aren't the best way to conduct thrust at very fast speed.

The current world record speed for a propeller-driven aircraft is 623 mph.

Quote
An oft-cited contender for the fastest propeller-driven aircraft is the XF-84H Thunderscreech. This aircraft is named in Guinness World Records, 1997, as the fastest in this category with a speed of 623 mph (1,002 km/h, Mach 0.83). 

Jet engines have no such limitation. Fastest speed for a modern jet is 2,193.2 mph or 3 times the speed of sound.



Trent XWB engine for the Airbus A350 XWB



To understand how turbine engines work , one must hit the books and then do many experiments.


 
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