Originally Posted by
212man
Please explain. Force equals pressure x area. So if you have two pistons of the same surface area being acted on by the same pressure, you’ll have twice the force. It’s a simple way to keep the set is light and compact compared to having one large servo (plus redundancy). If you lose a hydraulic system there are normally RFM limits on speed and angles of bank - because you have less servo power.
that video explain it better than me:
its because both pressure have two different regulator, kind of the series versus parallel concept