On 26/05/2021 18:01, newshound wrote:
Actually I would not be surprised if washing machines had not done that,
and aero engine efficiency improvement is probably in double digits over
a decade.

Bless!

Quite the ArtStudent aren't you?

Gas turbine efficiency as such us where it was from the get-go - about
37%. Once you have made the transition to high bypass turbofans, that's
pretty much it.


--
€œwhen things get difficult you just have to lie€�

€• Jean Claud Jüncker