Quote Originally Posted by PTguy View Post
Our engines are tuned for a very smooth application of power, so there isn't the surge that older turbo engines exhibited. There isn't any "engage and spool." It is just the gas turbine section spinning the air compressor section smoothly faster & faster to supply more air to the engine...
Quote Originally Posted by sm1ke View Post
Here's a pretty good explanation from CorkSport:

Thanks for great responses, and terrific link too.