Synchrophasing systems.
Mon Mar 03, 2008 5:54 am
I have a question about the manual control of this system.
From what I understand is that this system incorporates a Pulse Generator which is keyed to the same blade of its respective propeller for comparison purposes. Now, when the propeller passes the pulse generator, the electrical signal is sent to the Phasing Control Unit. Based on this, the Phasing Control Unit determines the relative position of each propeller’s number one blade. A propeller manual phase control in the cockpit allows the pilot to manually select the phase angle. After this so called selection, the slave governor will try to establish the selected phase angle between the propellers.
What some say: “this Phasing Control Unit cannot be changed”, If this is true, it is probably working Automatically, or can it be changed, but is it rather a question of Legislation? Can an engineer set this Unit to the desired Phase or must it be done by the company that produces these units? Or is it all just crap, and can it be changed just as simple as that?
From what I understand is that this system incorporates a Pulse Generator which is keyed to the same blade of its respective propeller for comparison purposes. Now, when the propeller passes the pulse generator, the electrical signal is sent to the Phasing Control Unit. Based on this, the Phasing Control Unit determines the relative position of each propeller’s number one blade. A propeller manual phase control in the cockpit allows the pilot to manually select the phase angle. After this so called selection, the slave governor will try to establish the selected phase angle between the propellers.
What some say: “this Phasing Control Unit cannot be changed”, If this is true, it is probably working Automatically, or can it be changed, but is it rather a question of Legislation? Can an engineer set this Unit to the desired Phase or must it be done by the company that produces these units? Or is it all just crap, and can it be changed just as simple as that?
Mon Mar 03, 2008 3:45 pm
Which Airplane / Engine / engine control unit ? 
Pim Pouw
Pim Pouw
Mon Mar 03, 2008 4:39 pm
Pim Pouw wrote:Which Airplane / Engine / engine control unit ?
Pim Pouw
Ik denk dat ik je beter in het Nederlands kan aan spreken, but i will keep it in English for the rest of us.
I was talking in general about Synchophasing Systems for twin engine AC’s. Not a specific aircraft. Do you know different kind of systems, and im not talking about Master Motor or One Engine Master Control Systems. Just the general function and perhaps manual control of this system.