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LOIRE 70

 


Technical Specifications
Type
Seaplane of Recognition and Patrol
Date first flight
December 28, 1933
Wingspan
30,00 m 
Lenght
19,58 m 
Height
6,45 m 
Wing Area
136,00 m2 
Empty Weight
6635 Kg 
Max. Takeoff Weight
11500 Kg 
Cruising Speed
174 km/h. 
Maximum Speed
220 km/h at 1500m 
Climbing Speed
3000m in 23mn  
Service ceilling
4000 m 
Range
2200kms
Crew
7 Men
Motorization
2 Radial Engine Gnôme Rhône 9Kfrs of 740ch each
Armament
2 x 7.5mm Fixed Darne machine guns in front lateral position
1 x 7.5mm Darne machine gun in nose turret
2 mobile 7.5mm Darne machine guns in rear turret
1 x 7.5mm Darne machine gun in nose turret
600 Kgs of bombs or 4 grenades ASM of 75 kgs

 


Production

8 Loire 70 were built including the prototype which made its first flight December 28, 1933.

To date, out of the 8 aircrafts manufactured, 6 are listed in the list below :


Historical

In 1932, the Navy issued a program to acquire a distant exploration seaplane, which could operate from bases in the colonies.

Although it was the Breguet Bizerte that won the competition, we ordered a prototype of its unfortunate competitor, the Loire 70. This practice, surprising, but common at that time, had no doubt, in order not to weaken more the industry Aeronautics, trying to keep all the builders in activity ...

The prototype was quickly built and, powered by three Gnome Rhône 9Kbrs 500 hp each, he made his first flight, December 28, 1933. But as often at that time, the technical services have requested many changes and developments that have significantly delayed the commissioning of the aircraft. Seven copies are ordered by the Navy, but it is only in 1937, more than three years after the first flight of the prototype, that the first Loire 70 are delivered in units ...

The Loire 70 of wood construction and metal covered, is a seaplane with central hull, and high wing. The balance at anchor is provided by two small floats under the wings. It is now powered by 3 Gnôme Rhône 9Kfrs 9 cylinders star mounted on pylons. These engines, more powerful than those of the prototype of origin, develop 740ch each and lead to two-blade metal propellers. Ttwo engines take place classically on the front part of the wing, and the third, placed in the center of the wing in the rear part is propulsive.

The fuselage is of a particularly complex design, with many glazed surfaces. The defensive armament, consisting of 7.5mm machine guns Darne is distributed over 5 positions. 2 machine guns in the front of the fuselage, 1 machine gun on each side of the front of the fuselage, 2 in back dorsal position and finally one installed in part ventral, just behind the hull. This postion, impractical, required the gunner to disassemble his weapon before each "takeoff" or landing.

Offensive weaponry includes either 600 kg of bombs or four 75 kg ASM grenades, all installed under the wings.

The first aircraft were delivered at the end of 1937, to the E7 Squadron based in Karouba. Their mission was to patrol over the Mediterranean, and possibly to carry out bombing. Suffice to say that these aircrafts, far too slow and old-fashioned at their arrival in unity, were totally ineffective in this last type of mission. Before entering the war, however, they carried out their missions of surveillance of the Navy of Mussolini in mediterrannée. Deliveries lasted until the middle of 1938, when the E7 Squadron had 8 Loire 70s, including the prototype delivered to standard equipment and delivered in units. The Loire 70, rather fragile, was the victim of many failures or accidents, especially at the hull, engine mounts or even engines: the declaration of war in September 1939, only 5 aircraft were still present at the Squadron E7. On February 12, 1940, following two accidents, the Loire 70 was banned from flying, and replaced by LeO H43, hardly more effective ...

The operational career of this hydroplane was so brief and lacking! His only contact with the Italian enemy was fatal: the aircraft of the Regia Aeronautica bombard on June 12, 1940, the base of Karouba where are wet 4 Loie 70. Three of them were destroyed and the fourth, seems to have taken off . The last Loire 70 will be scrapped soon after.


Versions

The Loire 70 was built in only one version


Bibliography

1) _ AIR MAGAZINE No66 : January - February 2016
- Le Loire 70


Photos Album

 


Drawing 3 views

Links to Website
"French Air Force"