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Old 6th Jan 2019, 19:32
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DaveReidUK
 
Join Date: Jan 2008
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Originally Posted by IBMJunkman
What speed are the fan blade tips traveling at full power?
We're told that the GE9x has a higher tip speed than its predecessors, thanks to the redesigned blades and lower blade count.

Assuming a typical 2400 rpm at 100% N1, the tips of a 134" fan will be travelling at around 430 m/s (apologies for the mixed units).
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