On Tue, 10 Dec 2002 13:09:03 -0600 "Curtis L. Olson" <[EMAIL PROTECTED]> wrote:
I would be very surprised if the engines are not cross-coupled such that each engine drives both props, as in the V-22. A single engine failure would not cause one rotor to be unpowered. The gearbox for the V-22 was one of the main design challenges for the Osprey, IIRC. The other components of the drive train/propulsion system are made for extremely high reliability for that very reason. They are mostly "Criticality 1" items. I agree that the big danger is at takeoff and landing, for sure, but it's because of the aero phenomena. I wonder if clever placement of sensors about the aircraft and some Expert Systems logic could potentially sense dangerous conditions and adapt appropriately?I think the big danger is at landing or takeoff. If you lose an engine or have any sort of mechanical failure on a single side, you are going to hit hard at some really odd angle. At least with a helicopter you are probably going to land butt first and might have a chance to try an autorotation.
Jon
Jon
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