LeO.451 Specifications

Specifications

Engines

Gnôme-Rhône 14 N-38/39

920 hp @ sea level @ 2,400 RPM
1,100 hp take off power @ 2650 RPM
1,030 hp @ 4,800 m

Gnôme-Rhône 14 N-48/49

920 hp @ sea level @ 2,400 RPM
1,180 hp take off power @ 2650 RPM
1,060 hp @ 4,800 m

Dimensions

Wing span: 22.52 m
Length: 17.17 m
Height: 5.24 m
Landing gear width: 5.49 m
Propellers diameter: 3.20 m

Aerodynamic data

Wing surface 68 m²

Airfoils:

NACA 4415 @ wing root
NACA 4411 @ wingtip

Weights and loads

Total fuel capacity: 3225 l (in 6 tanks and one reserve(?))
Main fuel tanks located between wing roots and engine nacelles
Auxiliary fuel tanks in wings outside of engine nacelles
Oil capacity: 154 l (in 2 tanks)
Empty weight (equipped): 7,820 kg
Loaded weight: 11,400 kg

Detailed weights for LeO.450 with Hispano-Suiza 14AA engines:

airframe	3,700 kg
powerplants	2,150 kg
tanks	109 kg
fixed equipment	330 kg
total empty weight	6,390 kg
mobile equipment	1,050 kg
crew	354 kg
useful load: fuel between 1,260 to 2,360 kg payload between 500 to 2,000 kg	2,876 kg
total useful load	4,280 kg
normal total weight	10,650 kg
maximum total weight (with 5,330 kg useful load)	11,700 kg
wing loading	157 kg / m²
power loading	4.70 kg / hp

Performance

Max speed: 495 km/h at 4,800 m
Cruise speed: 360 km/h at 1,600 m
Range with 500 kg bombload: 2,300 km
Climb to 5,000 m: 14'
Ceiling: 9,000 m

Speed-vs-alt and climb rate curves

Reception test requirements (before weapons were fitted):

10,625 kg at full fuel capacity (3,080 to 3,200 l)
max speed to be at least 465 km/h at 4,800 m
time to 5,000 m to be at most 15'

Armament

Offensive armament

One bomb bay in each wing root, one bomb bay in fuselage (port side).

in each wing bomb bay, one AL 125 or AL 128 bomb rack, carrying either one 100, 200 or 500 kg bomb.
in the fuselage, either

two D or V-type bomb racks carrying 32 * 10 kg or 8 * 50 kg bombs each
one S-type bomb rack with either 5 * 200 + 1 * 100 kg bombs, or 6 * 100 kg bombs

Total theoretical bomb load was 2,100 kg.

One Bronzavia B 30 main bomb sight, with target heading displayed to the pilot's type 11 indicator
One D 40 emergency bomb sight (not fitted on all aircraft?)

Defensive armament

pilot: one fixed forward firing 7.5-mm MAC 34 under starboard side of fuselage, with 300 rounds. One ring and bead internal gunsight.
radio operator: in hydraulic retractable belly turret, one 7.5-mm MAC 34 mounted on SAMM AB 161 with OPL 35 reflector gunsight
rear gunner: one 20-mm HS.404 cannon on hydraulic SAMM type 170 bis turret with two OPL 35 gunsights (one on each side), with 60, 30 or 15-shell clips. Max angles: 30° on each side, 30° up.