//************************************ Gotha G-II 'realistic' flight dynamics V4 //************************************ // Do not attempt to edit this file with FSedit! - use notepad or wordpad ;for use with the panel.cfg sent 2/10/02 ;bogus brakes added in lieu of chocks ;DO NOT FIGHT THE AIRCAFT - LET IT TRIM ITSELF ;WARNING - However at low weights the aircraft is tail heavy and forward pressure must be maintained on the wheel at all times [fltsim.0] title=Gotha G-II 1916 Large Bomber sim=GothaG-II model= panel= sound= texture= ui_manufacturer=Gothaer Waggonfabrik A.G. ui_type=G-II ui_variation=Mercedes D.IV engines atc_heavy=0 checklists= kb_checklists=G-II_check kb_reference=G-II_ref kb_notes=GothaG-II_notes description=The G-II was Gothaer Waggonfabrik A.G.´s first in house Grossflugzeug design, by Hans Burkhart. [General] performance=Two 8-cyl Mercedes D.IV\nCruise climb at full throttle\nTrim with throttle\nReduce rpm to obtain level flight\nThe G-II was designed to climb, cruise \nand descend at 45 KIAS [Reference Speeds] flaps_up_stall_speed=39 ;WARNING - Stall is sharp with little warning. 39 knots = 72 Kph ; ;but with normal recovery, however negative G during pitch down may also stall engines full_flaps_stall_speed=39 ;no flaps ; ;in common with most WW1 aircraft the Gothas were rigged trim neutral slightly above Vy (best climb rate) ; ;Vx (expedited climb / best gradient) is about 44 KIAS - the pilot had to hold the wheel aft to achieve Vx ; ;as in any aircraft Ceiling can only be achieved by reducing to Vx cruise_speed=50 ;typical cruise climb KIAS - then reduce rpm to cruise hands off at 50 KIAS without needing an AP ; ;typical cruise height for Gotha G-II was 1500 metres agl as Romanian Army had hardly any AAA and no fighters ; ;Typical G-II cruise rpm = 750 prop rpm at 1500M = 92-93 Kph indicated = 100 Kph TAS ;provides a pleasant working environment for a six hour late summer sortie ; ;I could not discover the position error for the pitot tube so I set IAS = CAS [WEIGHT_AND_BALANCE] reference_datum_position=0.000000,0.000000,0.000000 empty_weight_CG_position=0.000000,0.000000,0.000000 max_number_of_stations=3 empty_weight=4800 station_load.0=600,-4,0,0 ;crew including flying clothing station_load.1=120,-1,0,0 ;guns and ammo station_load.2=143,1,0,0 ;water in radiators ;station_load.3=400,8,0,0 ;external bomb load - only possible with reduced fuel - now in fuel tank station_load.4=350,-1,0,0 ;internal bomb load = 14 x 10Kg nominal - Magazin is at CoG - now in fuel tank ;********************************************************************************************************************* ; ;max authorised bomb load 30 x 10Kg bombs of which 16 external ;WW1 10Kg bomb after fitting with fins and fuse weighs 25lbs so 30 bombs weigh 750lbs (not 660) ;Fuel volume with max bomb load=612/5.9 = 104 USG ;Max fuel tankage was about 970lbs=164 USG so max range bombload = 750 - (164 - 104) x 5.9 = 354lbs = 14 x 10Kg bombs ;So the fuel tanks were designed to match the capacity of the internal bomb bay ;in these FDE max fuel loaded for max range ops with 14 x 10Kg bombs internally (do not use spoiler) ;********************************************************************************************************************* ;Moments of Inertia ;all approx empty_weight_roll_MOI=63000 empty_weight_pitch_MOI=27000 empty_weight_yaw_MOI=54000 empty_weight_coupled_MOI=0.000000 [fuel] ;IMPORTANT - Two of the fuel tanks contain bombs not fuel - observe all handling notes - see 'how to drop bombs in FS2002' ; ;Max tankage 87 USG per side with 4 USG assumed unusable ;German aviation fuel in 1916 about 55 Octane and had density about 5.9lbs per US gallon (set in air file) ;Oil tanks included in the fuel tankage as these engines consumed 20+ Kg oil per flight ; center1=3,0,0,166,8 ;ALL the fuel is in this tank center2=0,0,0,1,0 ;this is a bogus tank used to initialise tank switching using a CFS1 gauge in FS2002 LeftMain=0,0,0,60,0 ;this is the internal bomb load - open the fuel menu to drop these bombs (one by one = 4 USG each) RightMain=7,0,0,0,0 ;this is the external bomb load - open the fuel menu to drop these bombs (one by one = 4 USG each) ;note that there are no external bombs with full fuel in the Gotha G-II. They can be added here if fuel is reduced by a matching amount. fuel_type=1.000000 number_of_tank_selectors=1 ; ;FDE support aggressive manual leaning which will extend range. Leaning reference in Gotha G-II was prop rpm. ;WARNING - Aircraft becomes progressively tail heavy and eventually slows to stall as fuel is consumed [GeneralEngineData] engine_type=0 Engine.0=-3.0,-7.0,0 ;pusher engines have thrust line aft of CoG Engine.1=-3.0, 7.0,0 fuel_flow_scalar=1.085 ;including oil consumption [piston_engine] ;Mercedes D.IV was a class 4 (min 220hp) engine giving 235hp at 1400 rpm at sea level ; cylinder_displacement=150.28 compression_ratio=4.52 ;low compression due to 55 octane fuel (at best) number_of_cylinders=8 ;in line with a weak crankshaft! max_rated_rpm=1400 ;*high* revving engine needs 3:2 step down gear box to drive 4 blade prop max_rated_hp=235 fuel_metering_type=1 cooling_type=0 normalized_starter_torque=0.300000 ;CTRL + E to start engines - can simulate windmill start in flight turbocharged=0 max_design_mp=0.000000 min_design_mp=0.000000 critical_altitude=0.000000 emergency_boost_type=0 emergency_boost_mp_offset=0.000000 emergency_boost_gain_offset=0.000000 fuel_air_auto_mixture=0 auto_ignition=0 max_rpm_mechanical_efficiency_scalar=1.000000 idle_rpm_mechanical_efficiency_scalar=1.000000 max_rpm_friction_scalar=1.000000 idle_rpm_friction_scalar=1.000000 [propeller] gear_reduction_ratio=0.6667 ;possibly the first series production geared engine fixed_pitch_beta=25.000000 ;actual pitch irrelevant - realistic prop data placed in air file 25 degree look up table propeller_type=1 propeller_diameter=9.0 ;set to give correct thrust propeller_blades=4 propeller_moi=5 ;FS2002 will not accept realistic MOI at these rpm beta_max=25 beta_min=25 min_gov_rpm=300.000000 prop_tc=0.100000 low_speed_theory_limit=80.000000 prop_sync_available=0 prop_deice_available=0 prop_feathering_available=0 prop_auto_feathering_available=0 min_rpm_for_feather=0.000000 beta_feather=0.000000 power_absorbed_cf=0.000000 defeathering_accumulators_available=0 prop_reverse_available=0 minimum_on_ground_beta=0.000000 minimum_reverse_beta=0.000000 [airplane_geometry] oswald_efficiency_factor=0.6 ;The wing is inefficient wing_area=963.0 ;but very large wing_span=77.8 wing_root_chord=12.916667 wing_dihedral=2.9 wing_incidence=6.0 ;huge angle of incidence - Gotha flies nose down at Vmax but has good view on approach wing_twist=0 wing_winglets_flag=0 wing_sweep=0.000000 wing_pos_apex_lon=0.000000 wing_pos_apex_vert=0.000000 htail_area=45 htail_span=13.5 htail_pos_lon=-29.166667 htail_pos_vert=0.000000 htail_incidence=0.000000 htail_sweep=0.000000 vtail_area=98.000000 vtail_span=5 vtail_sweep=0.000000 vtail_pos_lon=-30.000000 vtail_pos_vert=9.666667 elevator_area=19.2 aileron_area=32 rudder_area=16 elevator_up_limit=27.5 ;control deflections estimated elevator_down_limit=20.5 aileron_up_limit=17.0 aileron_down_limit=12.5 rudder_limit=15.0 elevator_trim_limit=20 ;for use with AP during alpha testing overidden by air file = 0 for beta testing spoiler_limit=60 ;can be used to simulate drag of external bombs (not loaded in default FDE) spoilerons_available=0 aileron_to_spoileron_gain=0.000000 min_ailerons_for_spoilerons=0.000000 min_flaps_for_spoilerons=0.000000 [Views] eyepoint=2.832288,-0.961184,1.5 [autopilot] ;for beta testing only autopilot_available=1 use_no_default_bank=1 use_no_default_pitch=1 flight_director_available=0 default_vertical_speed=100.000000 autothrottle_available=0 autothrottle_arming_required=0 autothrottle_takeoff_ga=0 autothrottle_max_rpm=0.000000 pitch_takeoff_ga=8.000000 ;gear set about twice as strong as real life to permit operation from grass airfileds with FS2002 missing smoothing polygon bug ;can be reduced to real world but must then operate from hardened areas of default airfields [contact_points] point.0=1,-25.0,0,-3.4,1000,0,0.548,10,0.500,2.5,1.23,0.000000,0.000000,0.000000,0.000000,0.000000 point.1=1,0.25,-7.0,-8,1200,1,0.548,0 ,0.616,2.5,0.60,0.000000,0.000000,2.000000,0.000000,0.000000 point.2=1,0.25,7.0,-8 ,1200,2,0.548,0 ,0.616,2.5,0.60,0.000000,0.000000,3.000000,0.000000,0.000000 point.3=2.000000,-1.666667,-37.416667,-0.666667,1574.803150,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,5.000000,0.000000,0.000000 point.4=2.000000,-1.666667,37.416667,-0.666667,1574.803150,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,6.000000,0.000000,0.000000 point.5=2,-25.0,0,-3.33,1600,0,0,0,0.000000,0.000000,0.000000,0.000000,0.000000,9.000000,0.000000,0.000000 point.6=2.000000,9.166667,0.000000,-0.666667,1574.803150,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,0.000000,4.000000,0.000000,0.000000 static_pitch=10 static_cg_height=7.38 [keyboard_response] elevator=150.000000,250.000000 aileron=150.000000,250.000000 rudder=150.000000,250.000000 [direction_indicators] ;FS2002 requires this but there was no D.I. direction_indicator.0=1,0 [forcefeedback] ;not altered or tested gear_bump_nose_magnitude=6000 gear_bump_nose_direction=18000 gear_bump_nose_duration=250000 gear_bump_left_magnitude=6000 gear_bump_left_direction=35500 gear_bump_left_duration=250000 gear_bump_right_magnitude=6000 gear_bump_right_direction=00500 gear_bump_right_duration=250000 ground_bumps_magnitude1=3250 ground_bumps_angle1=8900 ground_bumps_intercept1=5.0 ground_bumps_slope1=0.48 ground_bumps_magnitude2=750 ground_bumps_angle2=9100 ground_bumps_intercept2=0.075 ground_bumps_slope2=1.0 crash_magnitude1=10000 crash_direction1=01000 crash_magnitude2=10000 crash_direction2=9000 crash_period2=75000 crash_duration2=2500000