I hope you are all fine ,
In the process of developping theSu-27 fuel system and by reading the wiki articles and other topics
I did this :
fuel.xml
but when including it as system in the aircraft's fdm file , I see the following oputput in the console :
Failed to tie property fcs/ to object methods
Failed to tie property fcs/ to object methods
Failed to tie property fcs/ to object methods
Failed to tie property fcs/ to object methods
so what's happening , I can't figure out the cause of this warning ,
and actually I have some other issues with this :
One :
the aircraft has the following fuel tanks config :
with
-0 tank 1 : 3180 kg (7010.70 lbs) : forward integral fuel tank
-0 tank 2 : 4160 kg (9171.23 lbs) : centre-section integral fuel tank
-0 tank 3 : 1060 kg (1168.45 lbs *2 wing tanks) : wings integral fuel tanks
-0 tank 4 : 1000 kg (2204.62 lbs) :Rear fuselage tank
====> TOTAL - 9400 kg.
(that's about 12000L with an average kerosene density of 0.785kg/dm³)
I'm stil far from writing an accurate realistic system beacause of the complicated consumption sequence which is :
-45% from the tank 1.
-empty tank 4.
-empty tank 1.
-15% from tank 2.
-empty tank 3.
-empty tank 2
That's of course is to keep the (well known Su-27) super-maneuvrability .
so at startup tanks should be filled equally in percentage (the same % from each tank overall capacity , I set it to 50% ).
Now the question is is this sequence implementable in FG ? (even with a spaghetti style code "I think it will be ,for sure ")
Two:
the fuel transfert between tanks starts immediatly as the simulation begins , I thinks with "/fdm-initialized"
so can we bind it with a property that delay it until "/engine[x]/running" for example ?
this should be more realistic and the current behaviour is totally incorrect .
so, that's it , Any help or advice is appreciated ,
Thanks in advance ,
Yanes .