4 ms·
*auxiliary propulsion unit :) It isn't the same thing as the APU in a plane (where I think most people are getting the 'auxiliary power unit'). The APU here is
by dotnet00 2y ago
*auxiliary propulsion unit :)
It isn't the same thing as the APU in a plane (where I think most people are getting the 'auxiliary power unit'). The APU here is a secondary thruster which ensures proper pressure (and likely ullage) for the main engine to start.
- mrtksn 2y agoHaha right, I paused for a second as I couldn't remember the exact word and went with power. Thanks for the correction and the explanation.