The REAL reason that Powerboxes have only seven channels is that receivers are designed and calibrated with at least two or three servos connected to them. If all servos were connected to the Powerbox with none to the receiver then the receiver would not be operating correctly. Source : Emmerich Deutsch (Powerbox MD) in one to one converstaion with myself at the JWM.

Regards,

David Gladwin.

PS Emmerich will be sending his latest units for description , review and practical test in RCJI. That said my Powerboxes work to perfection in my Mig 29 which has VERY long leads and a hydraulic system with asociated ECU and pump. Three minor system servos are comnnected to the rx and the result is a that I get unaffected range from the RX.