LeO 451 early

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Rank VI | Premium | Golden Eagles
Challenger DS Pack
This page is about the French bomber LeO 451 early. For the other version, see LeO 451 late.
LeO 451 early
leo_451_early.png
GarageImage LeO 451 early.jpg
ArtImage LeO 451 early.jpg
LeO 451 early
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Description

The LeO 451 early is a rank II French medium bomber with a battle rating of 3.0 (AB/RB/SB). It was introduced in Update 1.73 "Vive la France".

The LeO 451 is a versatile high-speed medium bomber that is capable of undertaking low-level ground attack strikes against tanks, pillboxes, and other small targets. It also carries a fairly respectable bomb load for its battle rating, and can be used to destroy bases efficiently. The sleek, graceful lines of the LeO 451 represent a complete departure from the very angular, slab-sided Farman F.222.2 and SNCAC NC.223.3 heavy bombers. The LeO 451 sacrifices bombload for high speed, although at a 1,900 kg maximum load it still carries a respectable amount compared to similar bombers like the Petlyakov Pe-2 and the CRDA Cant.Z.1007bis Alcione series. It is also quite manoeuvrable for a twin-engine bomber.

General info

Flight performance

Max speed
at 6 250 m495 km/h
Turn time30 s
Max altitude10 500 m
EngineGnome Rhone 14N-38
TypeRadial
Cooling systemAir
Take-off weight11 t
Characteristics Max Speed
(km/h at 6,250 m)
Max altitude
(metres)
Turn time
(seconds)
Rate of climb
(metres/second)
Take-off run
(metres)
AB RB AB RB AB RB
Stock 471 456 10500 31.3 32.2 3.3 3.3 550
Upgraded 522 495 28.8 30.0 9.7 5.9

Details

Features
Combat flaps Take-off flaps Landing flaps Air brakes Arrestor gear
X X
Limits
Wings (km/h) Gear (km/h) Flaps (km/h) Max Static G
Combat Take-off Landing + -
550 340 385 366 270 ~7 ~5
Optimal velocities (km/h)
Ailerons Rudder Elevators Radiator
< 315 < 310 < 350 > 340

Survivability and armour

Crew4 people
Speed of destruction
Structural550 km/h
Gear340 km/h
  • 12 mm steel plate behind the pilot
  • 12 mm steel plate in front of dorsal gunner
  • Self-sealing fuel tanks (2 in each wing)

Modifications and economy

Repair costBasic → Reference
AB690 → 882 Sl icon.png
RB2 000 → 2 558 Sl icon.png
SB2 410 → 3 082 Sl icon.png
Total cost of modifications10 320 Rp icon.png
23 450 Sl icon.png
Talisman cost750 Ge icon.png
Crew training11 000 Sl icon.png
Experts38 000 Sl icon.png
Aces250 Ge icon.png
Research Aces220 000 Rp icon.png
Reward for battleAB / RB / SB
40 / 120 / 320 % Sl icon.png
124 / 124 / 124 % Rp icon.png
Modifications
Flight performance Survivability Weaponry
Mods aerodinamic fuse.png
Fuselage repair
Research:
420 Rp icon.png
Cost:
950 Sl icon.png
80 Ge icon.png
Mods radiator.png
Radiator
Research:
420 Rp icon.png
Cost:
950 Sl icon.png
80 Ge icon.png
Mods compressor.png
Compressor
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mods aerodinamic wing.png
Wings repair
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods new engine.png
Engine
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods metanol.png
Engine injection
Research:
1 100 Rp icon.png
Cost:
2 500 Sl icon.png
220 Ge icon.png
Mods armor frame.png
Airframe
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mods armor cover.png
Cover
Research:
1 100 Rp icon.png
Cost:
2 500 Sl icon.png
220 Ge icon.png
Mods ammo.png
7_5mm_belt_pack
Research:
420 Rp icon.png
Cost:
950 Sl icon.png
80 Ge icon.png
Mod arrow 0.png
Mods ammo.png
hispano_mk5_turret_belt_pack
Research:
420 Rp icon.png
Cost:
950 Sl icon.png
80 Ge icon.png
Mod arrow 1.png
Mods pilon bomb.png
100 GPs
Research:
420 Rp icon.png
Cost:
950 Sl icon.png
80 Ge icon.png
Mod arrow 0.png
Mods weapon.png
mac39_new_gun
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mods pilon bomb.png
200 GPs
Research:
580 Rp icon.png
Cost:
1 300 Sl icon.png
110 Ge icon.png
Mod arrow 0.png
Mods ammo.png
7_5mm_turret_belt_pack
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mod arrow 0.png
Mods turret gun.png
hispano_mk5_turret_new_gun
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods pilon bomb.png
500 GPs
Research:
520 Rp icon.png
Cost:
1 200 Sl icon.png
100 Ge icon.png
Mods turret gun.png
mac39_turret_new_gun
Research:
1 100 Rp icon.png
Cost:
2 500 Sl icon.png
220 Ge icon.png

Armaments

Offensive armament

Ammunition300 rounds
Fire rate1 350 shots/min
A LeO 451 bomber with a fatal engine fire, which can be extremely difficult to extinguish before disintegrating.
Main article: MAC 1934 (7.5 mm)

The LeO 451 early is armed with:

  • 1 x 7.5 mm MAC 1934 machine gun, nose-mounted (300 rpg)

Suspended armament

List of setups (4)
Setup 116 x 50 kg G.A. MMN. 50
Setup 27 x 100 kg No.1
Setup 36 x 200 kg No.1
1 x 100 kg No.1
Setup 44 x 200 kg No.1
1 x 100 kg No.1
2 x 500 kg No.2

The LeO 451 early can be outfitted with the following ordnance:

  • 16 x 50 kg G.A. MMN. 50 bombs (800 kg total)
  • 7 x 100 kg No.1 bombs (700 kg total)
  • 6 x 200 kg No.1 bombs + 1 x 100 kg No.1 bomb (1,300 kg total)
  • 2 x 500 kg No.2 bombs + 4 x 200 kg No.1 bombs + 1 x 100 kg No.1 bomb (1,900 kg total)

Defensive armament

Turret20 mm Hispano 404 cannon
Ammunition120 rounds
Fire rate701 shots/min
Turret7.5 mm MAC 1934 machine gun
Ammunition500 rounds
Fire rate1350 shots/min

The LeO 451 early is defended by:

  • 1 x 20 mm Hispano 404 cannon, dorsal turret (120 rpg)
  • 1 x 7.5 mm MAC 1934 machine gun, ventral turret (500 rpg)

Usage in battles

The LeO 451 can operate as a low-level attacker with relatively decent chances of survival thanks to the 20 mm dorsal gun and its relatively high performance. Flying at low altitudes also prevents enemies from attacking it from the rear and below, which is only covered by the 7.5 mm ventral gondola machine gun.

If pursued, it is best to manoeuvre in such a way that the enemy is forced to attack from the rear, which is covered by the 20 mm cannon. The LeO 451 is otherwise very vulnerable to attacks from any other angle.

Defensive armament is concentrated against rear attackers, featuring a powerful Hispano HS.404 cannon in the dorsal gunner position, with a relatively ineffective 7.5 mm machine gun in the ventral gondola. The historical LeO 451 could retract this gondola to reduce drag; a feature that is sadly not represented in the game, as the lower drag would probably be more useful than the machine gun. The LeO 451 otherwise has no other defensive armament besides a fixed forward-firing 7.5 mm machine gun in the nose. This machine gun is useful for strafing soft targets like vehicles and artillery or taking potshots at aircraft but is generally not very useful otherwise.

Manual Engine Control

MEC elements
Mixer Pitch Radiator Supercharger Turbocharger
Oil Water Type
Controllable Controllable
Not auto controlled
Controllable
Not auto controlled
Controllable
Not auto controlled
Separate Not controllable
1 gear
Not controllable

Pros and cons

Pros:

  • Decent maximum bombload (2 x 500 kg, 4 x 200 kg, 1 x 100 kg for 1,900 kg total)
  • Powerful dorsal turret with 20 mm cannon
  • Relatively fast and manoeuvrable for a bomber
  • Fixed 7.5 mm nose machine gun for strafing ground targets or attacking aircraft

Cons:

  • Very limited defensive gun arcs: only the rear is covered
  • Can only rely on the fixed 7.5 mm machine gun to defend against frontal attacks
  • Ventral gunner is not protected by armour and easily knocked out
  • Ventral turret armed with only one 7.5 mm machine gun

History

A LeO 451 bomber's final moments after a fatal engine fire.

Development of the LeO 451 began in the early 1930s, after the newly formed Armée de l'air issued the so called Plan I, intended to increase the number of modern military aircraft available to the French Air Force. As part of this plan, the young Air Force was keen on expanding and developing their strategic bombing branch. However, as the already available bombers, such as the Farman F.221, were considered unsuitable for the needs of the Air Force, a set of specifications was issued for the development of a brand new bomber. Among other aircraft manufacturers, Lioré et Olivier (which would be nationalized as part of SNCASE) also submitted their LeO 45 design. Being a long-time supplier to the French Air Force, Lioré et Olivier had a reputation of building reliable and effective bombers dating back to WW1. Thanks to this, the further development of the LeO 45 was approved. The first prototype (LeO 45-01), powered by a pair of Hispano-Suiza engines, took flight on 16 January 1937. Despite showing some minor issues, the LeO 45 prototype displayed excellent performance. A second prototype, equipped with a pair of Gnome-Rhone engines was also constructed and subsequently designated LeO 451-01. Testing of the 451 prototype began in October 1938.

However, due to various production issues associated with the Gnome-Rhone engine, production of the LeO 451 was delayed, beginning only in late 1938. Although the Armée de l'air only fielded a handful of operational LeO 451 bombers at the outbreak of WW2, their number would rise up prior to the Invasion of France in May 1940. During this chapter of WW2, the LeO 451 saw wide use against both advancing German forces on the east and Italian forces on the south. While the aircraft suffered great losses at the hands of Luftwaffe's superior fighters and the Wehrmacht's relentless anti-air guns, it fared a lot better on the southern front against Italian forces. Nonetheless, the LeO 451 did eventually retire in September 1957 as the final pre-war French aircraft to leave active duty.

- From Devblog

Media

Skins

See also

External links


Lioré et Olivier (SNCASE)
Bombers  LeO 451 early · LeO 451 late

France bombers
Farman  F.222.2 · N.C.223.3
Latécoère  Late 298D
Potez  Potez 633
Liore et Olivier  LeO 451 early · LeO 451 late
Bloch  M.B.174A-3 · M.B.162 · M.B.175T
American  V-156-F · Martin 167-A3 · ▄A-35B · ▄SB2C-5 · B-26C · ▄PB4Y-2