On the Garrett beta ranges from full reverse to a little above idle "providing limited thrust for taxi" so beta extends into positive thrust also?
In the manufacturers operating manual, it states:
"the forward limit of the beta range is set by the FLIGHT IDLE mechanics", any idea on how this works? I presume it has something to do with airspeed?
After all, I think flight idle and ground idle are the same detent, so technically you could put the engines into beta in flight if it were not for these FLIGHT IDLE mechanics.