Comparison between cfs Bf-109 g and a real Bf-109 g-6
The documentation for this page comes from the testing made by the English of captured aircraft
Tests in CFS conducted with no wind, at sea level (Azeville airfield, 36 ft) at 1013.25 millibars (?)
Real Plane |
CFS Plane |
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Start-up | idling rpm: 400-500 warm-up: 2100rpm at 1.0 ata other source: 1900rpm 1.0 ata oil temp.: 80-100°C (if >110, run at 800 rpm until temp. drop ). Must be at least 30°C coolant temp.: 110°C max near the ground oil press.: 4-6 kg/cm2 (max. 6-8 kg/cm2) fuel press.: 0.3 kg/cm2 minimum magneto check: switch M1-M2, RPM drop should not exceed 50 run-up: oil temp. at least 40°C, oil press. 3.5-8 kg/cm2, fuel press. 1.5 -1.8 kg/cm2; RPM 2500 -2600 at 1.30 ata with oil press at least 2.4kg/cm2 and oil temp 75°C |
idling rpm: +-750 warm-up: 1800rpm at 1.0 ata oil temp.: 90°C |
taxying | The landing gear is very narrow, so it is easy to touch the ground with the wingtip in case of bad handling. The landing gear is weak so it is easy to break on soft ground or rough landing.Easily steered with brakes, 20° flaps @ 1.3ata. Close the flaps in bad weather Bad forward vision |
a little better than in FS98 because the brakes are more efficient. It is possible now to warm the engine and do engines tests before take-off without having the airplane rolling with the brakes set . Easy to taxi using differential braking and short bursts of throttle. Forward vision not that bad because the cowling doesn't appear on the panel |
taking off max. 5 minutes |
Set flaps to 20°. One division noseup trim for TO. Engine have rapid response to throttle.The tail rise in a few yards. Plane tends to veer to the left, full right rudder is required because of prop heavy torque effect.This is even more pronouced toward the end of TO. If one tries to TO to early, the A/C will stall and drop sharply the wing and crash. TO run short and better than spitfire Mk-IX. Airscrew pitch change is slow. TO will take 350 yards for an average pilot. retract the flaps at 250 kph retract undercarriage once over 250 kph start climbing at 270 kph T.O. power: 2800 rpm @ 1.42 ata Oil temp: must be above 40°C before T.O. |
since there is no trim indicator, it is difficult to ascertain. Every other characteristics seems to match the original. Panel is not accurate as flap control is not a handle on the instrument panel but a wheel at left side of the pilots knee. Airscrew pitch change is slow too. Lenght of runway used for TO: I didn't check. Full throttle TO at 2810rpm, 1.42 ata |
climb & combat (30 minutes) |
power set to climbing setting: 1.3ata @ 2612 rpm Test climb: 245kph (best climb speed at 0m = 270 kph) G-6: Initial climb: 3,346 fpm (17 m/sec) Time to 9,840 ft (3,000m): 2.9 minutes Time to 18,700 ft (5,700m): 6 minutes G-2: climb test at 315 kph IAS: 130ft: 1.3@2700 start count 2000ft: 1.3@2700 41" (41" ) 5000ft: 1.3@2750 94" (1.56") 10000ft: - @ - 177" (2.95') 15000ft: 1.3@2800 276" (4.6') 20000ft: 1.3@2800 380" (6.33') climb test at 315-280 kph IAS: 25000ft: - @ - 497" (8.28') climb test at 280 kph IAS: 30000ft:0.88@2700 688" (11.46') 33000ft:0.78@2750 848" (14.13') 34000ft:0.74@ - 953" (15.88') 35000ft:0.74@2730 1057" (17.61') |
power set to climbing setting:1.3ata at 2612 rpm. Test climb: 245kph CFS G-6: Initial climb: 3,217 fpm (16.34 m/sec) Time to 9,840 ft (3,000m):2.95 minutes (1'57") Time to 18,700 ft (5,700m): CFS G-6: climb test at 315 kph IAS: 130ft: 1.3@2700 start count 2000ft: 1.3@2700 35" (35") 5000ft: 1.3@2750 92" (1.53') 10000ft: 1.3@2750 190" (3.16') 15000ft: 1.3@2750 280" (4.66') 20000ft: 1.3@2750 373" (6.21') climb test at 315-280 kph IAS: 25000ft: 1.3@2750 457" (7.61') climb test at 280 kph IAS: 30000ft: 1.3@2750 568" (9.46') 33000ft: 1.3@2750 673" (11.21') 34000ft: 1.3@2750 725" (12.08') 35000ft: 1.3@2750 772" (12.86') |
Climb rate does match with a G-6 up to5000m. CFS 109G-6 climbs faster than a real 109G above 5000m, however, it is very close to a G-2 up to 10000m |
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level flight |
Maximum Level Speed (TAS): G-6 + MW50: 547 kph at sea level xxx kph at1,000m 590 kph at 2,000m 600 kph at 3,000m 611 kph at 4,000m xxx kph at 5,000m xxx kph at 6,285m 621 kph at 6,900m xxx kph at 8,000m Max continuous: 2312 rpm @ 1.15 ata 310liter/h Econ Cruising: 2120 rpm @ 1.15 ata 257liter/h other source: 2100 rpm @ 1.0 ata (5.7 km altitude) G-2: without GM-1 510 kph at sea level 532 kph at1,000m 563 kph at 2,000m 587 kph at 3,000m xxx kph at 4,000m 594 kph at 5,000m 640 kph at 6,285m xxx kph at 6,900m 616 kph at 8,000m 653 kph at 8,676m (with GM-1) Max continuous: 2312 rpm @ 1.15 ata 310liter/h Econ Cruising: 2120 rpm @ 1.15 ata 257liter/h Fuel press.: 1.5 - 1.8 kg/cm2 Low fuel warning lamp: on when 20' flight left oil temp: at least 30°C, normal: 75-80°C, momenta- rily: 85°C oil press.: at least 2.4kg/cm2 at 2600 rpm with oil temp. at 75°C |
Maximum Level Speed: (TAS) CFS G-6 at combat power: 510 kph at sea level 550 kph 1,000m 561 kph 2,000m 585 kph 3,000m 608 kph 4,000m 642 kph 5,000m 670 kph 6,285m 675 kph 6,900m 680 kph 8,000m
CFS G-6: at Take-Off power: 550 kph at S.L 575 kph at 1,000m 600 kph at 2,000m 615 kph at 3,000m xxx kph at 4,000m 685 kph at 5,000m 700 kph at 6,285m xxx kph at 6,900m 715 kph at 8,000m
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Max level speed does match with a G-6 up to 4000m. CFS 109 G is faster than a real 109G above 5000m |
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Diving and descending |
adjust elevator trim to keep the airplane in the dive when pushing the stick forward. full stick deflection on pull-up can damage the airframe because of excessive loads. Max permissible RPM: 2800 Max speed in dive: 750 kph. Above 850 kph, the airplane will rarely respond (stick "frozen") Never allow oil and coolant temp. below 40°C
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Impossible to damage the airframe whatever the
G-loads. (airframe stress is deactivated bey default- easy to change by editing the defair.flt and defgnd.flt) impossible to attain G loads higher than 9.8 G |
Landing |
Slow down to 220 kph Landing gear indicator lights automatically switch on when the flaps are lowered. If throttle is retarded when the flaps are down and the landing gear is still up, a warning horn will be heard. Do not lower landing gear above 350 kph Do not set flaps fully down above 250 kph approach speed is 180 kph. |
No warning horn (but easy to correct by editing the
.AIR file.) Flaps and landing gear can be lowered at any speed without damaging the airframe. (airframe stress is deactivated by default in the defair.flt and defgnd.flt) |
Emergency | for a belly landing: jettison all extra payload. reduce speed to 200 kph with flaps fully down. For best glide ratio, extend gear and flaps only when at 1000m altitude. if below 1000m, keep the landing gear retracted. cut master power and ignition, cut off fuel. Lower landing gear before cutting the engine, or use the emergency handle in case of engine failure. Set airscrew pitch to full decrease Landing on water: same as above, but always with landing gear up. |
belly landing: It's possible to make a belly landing. Ground friction is not correctly modeled, so your airplane will slide a long way before stopping. In case of hydraulics failure, it is possible to lower the landing gear with the emergency handle (Ctrl + G key) but the gear will stay extended even if not properly locked. Landing on water: Possible only if you have installed the Setclass utility (by default, it is impossible to land on water)
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