Service delivery March -41
Numbers built 227 (of which 72 were built before end of -42), (src: #64Bv138)
although also most B-1s were modified to roughly the same status (src: AirInt)
Crew 5-6 ; Nose gunner, Pilot, Navigator, Radio Operator, Rear gunner, Upper rear gunner.
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Dimensions
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Overall measures:
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Wingspan 26,936 m (src: Handbuch)
Total length 19,90 m (src: Handbuch)
Height without propellers 5,30 m (src: Handbuch)
Height with running propellers 6,60 m (src: Handbuch)
Wing
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Area 112,00 m2 (src: Handbuch)
Spanwidth 26,936 m (src: Handbuch)
Depth, deepness inner 5,04 m (src: Handbuch)
Depth, deepness outer 2,60 m (src: Handbuch)
laterally proportion(ratio) 1:6,5 (src: Handbuch)
Materials Steel, tin, fabric, and (src: Handbuch)
some aluminium.
Hull
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Length 15,10 m (src: Handbuch)
Width at the step 2,60 m (src: Handbuch)
Height 3,15 m (src: Handbuch)
Materials Steel, aluminium, (src: Handbuch)
and covering of tinplates.
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Weight
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Empty 11770 kg (src: Nowarra, Ital, #64Bv138)
25948 lb (src: Germ)
8955 kg without propellers and engines (src: RLM)
11355 kg with propellers and engines (src: RLM)
12200 kg (leergewicht) (src: Handbuch)
11930 kg (when transported in parts) (src: Handbuch)
Maximum loaded 17400kg (src: RLM)
17650 kg (38912 lb) (src: Nowarra, Ital, #64Bv138, Germ)
18000 kg (using RATOs, of which 500 kg) (src: Handbuch)
18200 kg (catapult launched) (src: Handbuch)
Normally loaded 14390kg (src: RLM)
14500 kg (31967 lb) (src: Nowarra, #64Bv138, Germ)
Weight of load
normal=3035kg, max=6045kg (src: RLM)
2900 - 5400 kg (src: #64Bv138)
max 6000 kg (fuel, crew and ammunition not included) (src: calculated from Handbuch)
Horizontal acc. limit
(for catapult starts?) Nx = 3.5 g (src: Handbuch)
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Speed
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Max speed 285km/h - 300km/h (src: AirInt)
300km/h max permissible level speed (src: Handbuch, Bedienung)
285km/h normal load at sea level (src: RLM, Nowarra, #64Bv138)
283km/h 14513 kg at sea level (src: Rus)
270km/h max load at sea level (src: RLM)
177 mph 31967 lbs at sea level (src: Germ)
Max permissible
dive speed 400km/h (src: Handbuch, Bedienung)
Cruising speed 250km/h normal load (src: RLM)
235 km/h max load (src: RLM)
216-265km/h (src: #64Bv138)
146 mph at 3280 ft (src: Germ)
234 km/h at 1000 m (src: Rus)
Economy 200 km/h (src: Nowarra)
Takeoff speed 110 km/h (src: #64Bv138)
Landing speed 115 km/h (src: #64Bv138)
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Climb rate
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24 min to 10390 ft (src: Germ)
24 min to 3170 m (src: Rus)
22 min to 3000 m (src: #64Bv138)
Best climb speed 180-190 km/h (src: Handbuch)
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Service ceiling
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No load 5000 m (src: Nowarra)
Normal load 5000 m (src: Ital, #64Bv138)
5000 m (16400 ft) at 31967 lb (src: Germ)
5000 m at 14513 kg (src: Rus)
4200 m RLM normal load (src: RLM)
Max load 2300 m RLM max load (src: RLM)
2800 m full load (src: Nowarra)
2800 m (9185 ft) at 38912 lb (src: Germ)
2800 m at 17666 kg (src: Rus)
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Wing loading
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normal 128.5 kg/sq.m
max 155.3 kg/sq.m
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Endurance
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Maximum endurance 18 hrs catapulted (src: Nowarra)
20 hrs (src: Nowarra)
18 hrs (src: calculated, Rus)
16-17 hrs (src: #64Bv138)
16h 23min no bombs (src: #64Bv138)
15h 18min 6x SC50 (src: #64Bv138)
Normal endurance 6.5 hrs (src: Nowarra, Germ, Rus)
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Range
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Maximum range 1840 km normal load (src: RLM)
3880 km maximum load (src: RLM)
2670 miles (with 825 Imp.gal) (src: Germ)
4300 km with overload (src: Nowarra)
5000 km (src: Ital)
3413 km (src: #64 Bv138)
4272 km (with 3750 l, catapulted?) (src: Rus)
4250 km catapulted (src: #64 Bv138)
Normal range 758 miles (at 122 mph) (src: Germ)
1250 km (src: Nowarra)
1212 km (at 195 km/h) (src: Rus)
Takeoff distance 650 m (src: #64Bv138)
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Armament/Loadout
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1x MG151 20mm cannon in bow turret
1x MG151 20mm cannon in stern turret
1x MG131 13mm machine gun in open position aftward central engine
(optional) 1x MG15 7.9mm machine gun through hatch in starboard side of hull
(Early version) 3x 50kg (110 lbs) bombs on racks beneath starboard wing centre section or
2x(3x) 150 kg depth charges
(U1 version) 6x 50kg (110 lbs) bombs or
4x 150kg depth charges
Other loadouts: 2x RATO packs
Also able to carry 10 soldiers with equipment (in addition to the usual five man crew) or other loads
totalling about 1000 kg. This depending on the amount of fuel carried, see the section on weight for more info.
Ammunition:
Forward MG151/20 cannon: 500 shells (+500 spares) (src: Handbuch)
Rearward MG151/20 cannon: 500 shells (+500 spares) (src: Handbuch)
Central MG131 machinegun: 1400 bullets (+600 spares) (src: Handbuch)
Turret type: HD 151/1A and HD 151/1B
Front turret movement: 320 dgr, (backwards 160 degrees )
Type of bombs:
SC 50: 50 kg (src: Nowarra, #64Bv138, Handbuch)
Fl.W.B.150: 150 kg (src: #64Bv138, Handbuch)
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Control surfaces
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Horizontal Stab and elevator
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Total area 16,56 m2 (src: Handbuch)
Depth 2,45 m (src: Handbuch)
Horizontal stabilizer:
Area 10,67 m2 (src: Handbuch)
Spanwidth 7,20 m (src: Handbuch)
Depth 1,54 m (src: Handbuch)
Attitude against horizontal +5° +2° (src: Handbuch)
-4°
Material Tin-plate (src: Handbuch)
Elevator:
Total area 5,89 m2 (src: calculated)
Area behind turnaxle, including trimmrudder 4,34 m2 (src: Handbuch)
Counterbalance area 1,55 m2 (src: Handbuch)
Spanwidth 7,00 m (src: Handbuch)
Depth with counterbalance part 0,915 m (src: Handbuch)
Depth without counterbalance part 0,675 m (src: Handbuch)
Position of turnaxle from backward edge 27,5 % (src: Handbuch)
Deflection upwards 29° (src: Handbuch)
Deflection downwards 27° (src: Handbuch)
Material Tin-plate and fabric (src: Handbuch)
Trimming rudder:
Area 0,348 m2 (src: Handbuch)
Spanwidth 2,05 m (src: Handbuch)
Depth to turnaxle 0,15 m (src: Handbuch)
Material fabric (src: Handbuch)
Vertical Stabs and rudders
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Total area 12,60 m2 (src: Handbuch)
Vertical stabilizer:
Area 2x 4,12 m2 (src: Handbuch)
Spanwidth (height) 2,70 m (src: Handbuch)
Depth midheights (length) 1,53 m (src: Handbuch)
Material Tin-plate (src: Handbuch)
Vertical rudders:
Area behind turnaxle, including trimmrudder 2x 1,59 m2 (src: Handbuch)
Counterbalance area 2x 0,59 m2 (src: Handbuch)
Spanwidth (height) 2,70 m (src: Handbuch)
Depth with counterbalance (length) 0,95 m (src: Handbuch)
Depth without counterbalance (length) 0,65 m (src: Handbuch)
Position of turnaxle from backward
edge, midheights 28 % (src: Handbuch)
Deflection inwards 29° (src: Handbuch)
Deflection outwards 29° (src: Handbuch)
Material Tin-plate and fabric (src: Handbuch)
Trimming rudders:
Area 2x 0,143 m2 (src: Handbuch)
Spanwidth 1,425 m (src: Handbuch)
Depth (length) 0,100 m (src: Handbuch)
Material Tin-plate (src: Handbuch)
Ailerons
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Total area: 2x 3,07 m2 (src: calculated)
Area behind turnaxle 2x 2,30 m2 (src: Handbuch)
Counterbalance area 2x 0,77 m2 (src: Handbuch)
Spanwidth 5,06 m (src: Handbuch)
Depth with counterbalance (length) 0,64 m (src: Handbuch)
Depth without counterbalance (length) 0,48 m (src: Handbuch)
Position of turnaxle from backward
edge of wing, inner: 11,7 % (src: Handbuch)
Position of turnaxle from backward
edge of wing, outer: 18,5 % (src: Handbuch)
Deflection upwards 29° (src: Handbuch)
Deflection downwards 21° (src: Handbuch)
Deflection when used as flaps (14°)
upwards 39° (src: Handbuch)
downwards 11° (src: Handbuch)
Material Tin-plate and fabric (src: Handbuch)
Trimming rudder (only on the left side):
Area 0,089 m2 (src: Handbuch)
Spanwidth 1,05 m (src: Handbuch)
Depth (length) 0,085 m (src: Handbuch)
Material Tin-plate (src: Handbuch)
Flaps
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Total area: 9,58 m2 (src: Handbuch)
Inner:
Area 2x 1,87 m2 (src: Handbuch)
Spanwidth 2,550 m (src: Handbuch)
Depth 0,726 m (src: Handbuch)
Max deflection 30° (src: Handbuch)
Material Tin-plate (src: Handbuch)
Outer:
Area 2x 2,92 m2 (src: Handbuch)
Spanwidth 4,43 m (src: Handbuch)
Depth (length), mid 0,66 m (src: Handbuch)
Max deflection 60° (src: Handbuch)
Material Tin-plate (src: Handbuch)
Ailerons:
Aileron-deflection as flap 14° (src: Handbuch)
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Floats
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Displacement (each) 1,50 m3 (src: Handbuch)
Distance from hullcenter 9,53 m (src: Handbuch)
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Engines
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Name Junkers Jumo 205D (version 1,2,3 and 5)
Type Six cylinder vertical opposed-piston,
compression-ignition two-stroke diesel engines
Fuel Diesel - Type K1 (src: #64Bv138)
Cooling Glychole (src: Junk)
weight 595 kg (650 kg src: RLM) (src: Junk)
length 2.236 m (src: Junk)
width 0.645 m (src: Junk)
height 1.271 m (src: Junk)
Fuel Consumption 217.5 g/kWh (src: Junk)
Airscrew drive 1.58:1 (src: Handbuch)
Power
---------
MW injection (80 s): 1000 hp (746kW) (src: AirInt)
Brief, start (60 s): 880 hp (656 kW) at 2800 rpm (src: all)
Brief, (30 min): 750 hp (559 kW) at 2450 rpm (src: all)
Lasting, normal: 650 hp (485 kW) at 2350 rpm (src: all)
Lasting, economy: 525 hp (391 kW) at 2175 rpm (src: all)
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Propellers
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Outward engines
type: VDM continuously variable pitch, (9-11275 A-1) (src: Handbuch)
blades: three (src: Handbuch)
diameter: 3000 mm (src: Handbuch)
material: wood (some had metal) (src: #64Bv138, Handbuch)
weight ~160 kg/propeller (src: Handbuch)
Pitch: continuously variable from feathered to fine
Central engine
type: VDM continuously variable pitch, (9-11273 A-1) (src: Handbuch)
blades: four (src: Handbuch)
diameter: 3100 mm (src: Handbuch)
material: metal (src: Handbuch)
weight ~190 kg/propeller (src: Handbuch)
Pitch: continuously variable from feathered to negative
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Fuel system
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Fueltanks: 3x 760 l each, 1x inside hull and 2x inside center wings, (src: Handbuch)
Reservtanks: 3x 980 l each, inside spar of center wings, (src: Handbuch)
Total volume: 5220 liters (src: #64Bv138)
Fuel consumption per engine:
Average: 120 l/h (=112 kg/h) at 2300 rpm and 650HP (src: #64Bv138)
Economy: 95 l/h at 1900 rpm and 510HP (src: #64Bv138)
Max: 185 l/h at 2800 rpm and 880HP (src: #64Bv138)
Fuel type: Diesel - Type DK1 or K1 (src: Handbuch)
Diesel weight: 0.933 kg/l (src: calculated)
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Oil system
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Oiltanks: 3x 60 liters in each engine (src: #64Bv138)
1x 300 liters (src: #64Bv138)
Oil consumption: 5.5 - 8.2 kg/h (src: #64Bv138)
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MW injection system (Later in the war)
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Tank: 1x 36 liter in starboard wing root, used by all engines (src: AirInt)
Time available: 80-90 seconds (src: AirInt)
Consumption: 24-27 liter/minute (src: calculated)
Boost mixture: 80% methanol, 20% water (src: AirInt)
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Rocket assisted take-off units
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One mounted below each wing outward engine gondola.
Two possible versions:
Walter 109-501
Force: 1000 kg (=1366HP?) (src: #64Bv138)
Time: 42 seconds (src: #64Bv138)
Walter 109-502
Force: 1500 kg (=2049HP?) (src: #64Bv138)
Time: 30 seconds (src: #64Bv138)
