August 30, 20178 yr In the 747v3, if I set a flex temp that's too high I get a message saying that my v speeds are invalid. This is good because it tells me I won't clear the runway with the weights I added into the MCDU. But i I don't think the 777-300ER has this feature right? Because I can set 99 degrees and it still calculates v speeds even though I'm at 322 metric tons. Angelo Busato
August 30, 20178 yr Full names in the PMDG forums please. There is a limit to how much thrust derate is applied, I'm not sure of the assumed temperature but FCOM 11.32.3 provides two options for derated thrust. I'm not sure which one is modeled but I suspect it is not the deep derate. Dan Downs KCRP
September 5, 20178 yr On 31.8.2017 at 0:43 AM, downscc said: Full names in the PMDG forums please. There is a limit to how much thrust derate is applied, I'm not sure of the assumed temperature but FCOM 11.32.3 provides two options for derated thrust. I'm not sure which one is modeled but I suspect it is not the deep derate. He was asking if the 777 FMC will tell you, if your thrust reduction is too high for take off i.e. you run out of runway. Joona Väisänen
September 5, 20178 yr 7 minutes ago, joona_ said: He was asking if the 777 FMC will tell you, if your thrust reduction is too high for take off i.e. you run out of runway. I will not offer a number if they cannot be calculated. Dan Downs KCRP
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