0.00.48 PMDG 737NGX
TUTORIAL #2
27FEB15 RTM DO NOT DUPLICATE For Simulator Use Only
TAKEOFF PERFORMANCE CALCULATION
We’ll now continue with the final few FMC preflight steps. Calculating
accurate numbers for the takeoff thrust and flap settings involves the use
of an addon called TOPCAT, as mentioned earlier. If you don’t have the
tool you can skip to the end of this section and still get the values to use
for this particular flight.
Start TOPCAT.
We first need to add an aircraft that represents our airplane.
Press the Add… button on the right side.
Type N738PM in the registration box.
Select Boeing 737-800 in the Type dropdown.
Select PMDG Mixed Class in the Configuration dropdown.
Note – this profile is actually for our older FS9 version of the
737NG, TOPCAT does not yet have a dedicated profile for the
PMDG 737NGX. The calculations however are still valid and
correct because they come from the same source. You should
not use TOPCAT to load any payload or fuel – load it via the
FMC. We’re just using TOPCAT to get the correct thrust settings.
Check all three boxes under Thrust Policy. This allows us to use
both fixed derates and assumed temperature numbers alone or in
combination with each other.
Our old FS9 version of the 737 didn’t have the fixed derate option
and that’s why they’re unchecked by default here when you first
select the PMDG Mixed Class profile.
We do not want to select an aircraft.cfg file because we won’t
actually be using TOPCAT to load the aircraft.
If you’re using metric weights you can select kilograms in the
Weights dropdown.
Select hectopascal for the pressure unit since we’re flying in
Europe. You can change this to inHg later if you like for flying in
the US.
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