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| | | The preliminary reports Nr. 1 and 2 shall become void with this report and are to be destroyed.
| |
| | Reason: | The DB 605 is to be incorporated into Me 109 production due to good results from a test installation with the VfW.
The prototype airplane was measured by the flight department in accordance with S-instruction 109/033/064.
| |
| Test
Procedure: | Standard performance measurement.
|
| Result: | For comparison the corresponding performance of the Me 109 G in the same condition is shown in parentheses.
| |
| | 1.) Speed at sea level
| | 315 mph (314)
| | 2.) Speed at FTH
| | 406 mph (391)
| | 3.) Full throttle height
| | 27,231 ft. (21,654)
| | 4.) Climb rate at FTH
| | 2,350 ft/min (2,546)
| | 5.) Climb full throttle height
| | 23,950 (18,700)
| | 6.) Climb ceiling
| | 39,698 ft. (37,730)
| |
| | The performance results are converted to standard temperature. Combat power without GM 1
|
| Aircraft: | Me 109 G 5 | W.Nr. 26108 | SL RR
| |
| | Engine: | DB 605 AS-0 | W.Nr.00702626
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| Propeller: | 3-fl.VDM-adjustable propeller | D 3,0 m
| | Sheet design 9-12087.31 | b0,7 R = 0,30bm
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Condition of the
Machine:
| Production version, single wire antenna FuG 25 a, FuG 165 z radiator indicators, wing thermometer, tail wheel fixed.
| | Engine Cowling: 2 MG 131 bumps faired, left side enlarged for AS supercharger.
| |
| | Weight: | G = 7,033 lbs at take-off
| |
| | Radiator: | Typ: ALF 750 B
| | F = 16,8 dm2
| |
| | Oil cooler: | Typ: FO 870
| | F = 6,5 dm2
| |
| Date of the
Flights: | 22.12.43
| |
| | Pilot: | Schmidt, K., Schmid L.
|
Conduction of
the measurements: | Height, ram pressure, boost and supercharger pressure were constantly registered during the flight.
|
| | 1. | Speed at sea level
| |
| | | The speed at sea level was accomplished by a timed flight (Stoppflug) over the test course (stoppstrecke) at combat power ( n = 2600 rpm, p = 1,3 ata) with radiator flaps closed (~ 40 - 50 mm opening).
The result is converted to normal temperature and correct setting of the supercharger regulator.
| |
| | 2. | Course of best climbing speed.
| |
| | | The specified speed of va = 162 mph was flown with the ME 109 G. The actual rate shown on page 4 is calculated using va = 162 mph.
| |
| | 3. | Climb performance.
| |
| | | In order to preserve the engine, which was not yet completely run in, climbs started from approximately 19,685 ft. using combat power (n = 2600 rpm, PL = 1.3 ata).
| |
| | | Radiator flap position: l. 130 mm
| | | Radiator flap position: r. 150 mm
| |
| | 4. | High-speed flight
| |
| | | Level speeds were flown from ceiling to full throttle height, following the climb flights.
| |
| | | Radiator flap position: l. 60 mm
| | | Radiator flap position: r. 90 mm
| |
| | | The performance curves are shown on page 4 .
| |
| |
| | | Augsberg, den 22.1.44
| | | FAV-A/Schö/Da.
| |
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