|Quoting FlexJetOKC (Thread starter):|
|Quoting francoflier (Reply 5):|
Interesting. I thought those props were connected via a gearbox that made them turn in opposite direction at the same speed.
When the officer preflights, he turns both props in the same direction, meaning they're both independent and connected to 2 different turbine discs on concentric shafts.
|Quoting MrChips (Reply 6):|
Depending on the type of gearbox used (I'm assuming it's some sort of planetary gearing), it should be possible to turn both props in the same direction by hand while having them go in opposite directions while being powered by the gas turbine.
|Quoting celestar (Reply 9):|
Tu95 is designed to fly long distance, over vast expanse of sea or land. I wonder if the Tu--95 was powered not by propeller but by gas engine, would it still be able to make that range - unrefueled mid-year? Is that long range a reason why the plane is a propeller driven? 1950s engine technology is probably not that fuel efficient, I think.