Diesels at high and low altitudes..

[cp1969]

The bottom line is that there is no one correct answer to any question.

I can think of a few in which there may be only one correct answer:

"Should Hillary be President?"

"Is Barney Frank light in the loafers?"

"Did OJ do it?"

"Would the world be a better place if ****** had won?"
--bonus points: "Did ******'s dog go to Heaven?"

"Who ate my gyro?"

 

[KICK]

Kick, in your example, Why does smoking start well below max rpm under full power rather than sooner or much later? I would assume the longer time avail for burning would prevent unburned fuel until very

because engine ( black) smoke is not determined by engine RPM but caused by excess fuel or too little oxygen