Fysiojohn Posted February 24, 2021 Report Posted February 24, 2021 My 1968 m20c has a Vne of 189 mph, and a Max structural cruising speed of 150 mph, whereas the 1970 m20c's are limited at 200 and 175 mph respectively. I can't seem to find any structural changes in control rods, control surfaces that would constitute these upgraded limitations. Since my Mooney typically cruises at around 160 mph IAS, I wonder if being in the yellow arc range should be any concern? John Quote
Rjfanjet Posted February 24, 2021 Report Posted February 24, 2021 None at all. I do it most of the time. 2 Quote
Hank Posted February 24, 2021 Report Posted February 24, 2021 many people cruise in the yellow. As for structural changes, the only thing I'm aware of is the flap attachment is tremendously different between vintage hydraulic flaps and factory-electric flaps, i.e., mine are not attached to a stub spar that can crack if exceeding Vfo because I forgot to raise them after takeoff . . . Quote
Ragsf15e Posted February 24, 2021 Report Posted February 24, 2021 I wouldn’t think twice about cruising in the yellow. If it’s continuous light to moderate turbulence, you should probably slow down though. Based on passenger comfort, you’ll probably do that anyway. 1 Quote
Janat83 Posted February 25, 2021 Report Posted February 25, 2021 My 68C loves to fly in the Yellow arch, attached picture from Today's flight over SoCal, 2400RPM and a hair less than WOT. 1 Quote
carusoam Posted February 25, 2021 Report Posted February 25, 2021 It’s a yellow arc... Not a red line... Be familiar with maneuvering speed, related to weight, and conditions... Slow when required... The tough part is knowing what level of bumps you are going to experience as you descend closer to the ground... PP thoughts only, not a CFI... Best regards, -a- Quote
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