Bug Report Analog Caravan

[JayDee]

Regarding New Vesion 0.1.1. of Analog Caravan
I figured some bugs -

1. Torque does not really drop when using Inert Seperator
   • Torque only drops per formula on the gauge, but not actually in the flight model simulation, so no real performance loss
   • solution: just link Inert Sep Var with Anti Ice var - so we get actuall Anti Ice mechanic for the engine (what inert sep is also for) and we see a drop in torque in flight model - for instance just add
     <UseTemplate Name="ASOBO_GT_Update">
     <FREQUENCY>1</FREQUENCY>
     <UPDATE_CODE>
     (L:XMLVAR_InterSep, bool) (>K:ANTI_ICE_SET_ENG1)
     </UPDATE_CODE>
     </UseTemplate>
     in the analogcaravan.xml
2. For Torque Gauge the (A:TURB ENG FREE TURBINE TORQUE:1, ft-lbs) is better fitting for a free turbine turbo prop. This value spools slowlyer up like in a real turbo prop. Solution - just replace in xml.
3. ITT Gauge should not go to 0 if combustion /fuel flow is cut - solution just delete on Combustion Var from the gauge formula - for instance let it be like this

<VALUE_CODE>
(A:TURB ENG ITT:1, CELSIUS)
(A:TURB ENG ITT:1, CELSIUS) 75 + 0 max 0.0132532 pow 17491.4 * 18570 - (A:TURB ENG ITT:1, CELSIUS) / (L:var_inertSepWindup, number) 0.03 * (A:CIRCUIT ON:20, bool) 0.02 * 1 + + * 0 max
60 (L:BKSQ_CARAVAN_NG, number) - 0 max 11.0 / (A:ENG COMBUSTION:1, bool) * 1 max *
0 max *
d (>L:BKSQ_CARAVAN_ITT, number)
</VALUE_CODE>

4. Fuel Flow Gauge use the wrong variable. Despit it being namend corrected ff it just dont use any correction variables. the right variable would be TURB ENG FUEL FLOW PPH:1. This variable shows always the actual fuel flow. Therefor at the moment the fuel flow gauge is always showing to high fuel flow and not the really used one - solution - just replace in xml.

5. Ng Gauge doesn´t scale good. I get the intention behind the formula - but we now see a to high low idle and high idle ng. this deviates too much from the actuall Ng in the flight model. Solution - use another fomular, to maybe only scale the higher ng range to get to 104% max. maby a formula like this one

    		<VALUE_CODE>
    			(A:TURB ENG N1:1, PERCENT) 90 max 90 - 10 / 0.04 * 1 + (A:TURB ENG N1:1, PERCENT) *
    		</VALUE_CODE>
   

Kind Regards
Jaydee

[JayDee]

@jaydee
Also found out that gear ration and min gov rpm in engines.cfg is are not correct if N2RPM is set to 32000.

Values should be

min_gov_rpm = 25260 ;1500; 25260 ; Miminum governed RPM 1500 times gear ratio
gear_reduction_ratio = 16.84 ; Propeller gear reduction ratio n2 rated rpm through 1900