RE: Constellation's OS91FX Engines
EDIT: Engines are OS 108 FSRs
The OS 91FX's are stock, and with the rear needle valves. Ther are no pumps, as the tanks are in the nacelles. I believe that they are 16oz, but could be 20oz. I'll have to ask. We do have glow heat on all four, and Frank set up a three position switch on each nacelle that allows the heat On at all times, only at idle, or Off
All four engines had some bench time, and then into the Connie. All four run very well. We will have to adjust the idle mixtures and maybe the low trottle positions, as they don't all run the same at low throttle, as was evident when the two inboards quit on touchdown on the first flight.
Stan