David Culp writes:
I asked a 747-400 pilot what was the fuel flow per engine at
cruise. He said about 6000 lb-per-hour. Assuming a TSFC of 0.5
(I've seen 0.318 and 0.348 for the PW4060, but I don't trust these
numbers) that would mean each engine is developing 12000 pounds of
thrust.
I asked a 747-400 pilot what was the fuel flow per engine at cruise. He said
about 6000 lb-per-hour. Assuming a TSFC of 0.5 (I've seen 0.318 and 0.348
for the PW4060, but I don't trust these numbers) that would mean each engine
is developing 12000 pounds of thrust. Therefore the total drag
I asked a 747-400 pilot what was the fuel flow per engine at cruise. He said
about 6000 lb-per-hour. Assuming a TSFC of 0.5 (I've seen 0.318 and 0.348
for the PW4060, but I don't trust these numbers) that would mean each engine
is developing 12000 pounds of thrust. Therefore the total
David Culp wrote:
I asked a 747-400 pilot what was the fuel flow per engine at cruise. He said
about 6000 lb-per-hour. Assuming a TSFC of 0.5 (I've seen 0.318 and 0.348
for the PW4060, but I don't trust these numbers) that would mean each engine
is developing 12000 pounds of thrust.
