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Lockheed L-10 Electra (UC-36) transport

The L-10 Electra (Electra 10) was an American light twin-engine, twin rudder transport which first flew an 1934 and entered production a year later. Just under 150 were built, with 27 civilian models impressed into military use in WWII and another nine built specifically for the military/government. The most famous Electra was a modified 10E flown by Amelia Earhart.

The crew consists of a pilot and copilot. The Electra 10A uses 30.25 gallons of aviation fuel per hour at routine usage.

Subassemblies: Medium Fighter-Bomber chassis +4, Medium Fighter-Bomber Wings +3, two Large Weapon pods +2, three retractable wheels +1.
Powertrain: 2*336-kW aerial HP gasoline engine [Pods:F] with 2*336-kW prop and 189-gallon standard fuel tanks [Wings].
Occupancy: 2 CS, 10 PS  Cargo: 1.5 Wings, 3 Pods

Armor
All: 2/3

Equipment
Body: Medium radio receiver and transmitter, navigation instruments, autopilot.

Statistics
Size: 36'x55'x10' Payload: 1.84 tons Lwt: 5.27 tons
Volume: 448
 Maint.: 37 hours Price: $29,600

HT: 9
HP: 210 [body], 165 [each wing], 120 [each pod], 20 [each wheel]
 
aSpeed: 202
 aAccel: 4
 aDecel: 22
 aMR: 5.5
 aSR: 2 Stall: 69

Design Notes
Design speed was 184 mph. The historical speed has been used, as well as the actual wing area (458 square feet). Weight, cost and HPs of the wings were halved. Weight was reduced by 2%.

The design was short about 4 VSP for the chassis; excess volume from the wings was used to make up the difference.

Variants
The 10B and 10C differed only in minor engine details.

The 10D was a proposed military transport that was never produced.

The 10E used 450-kW engines. Fifteen were built, five of which were used by the military.

The XC-35 (1937) was an experimental model with a pressurized cabin and supercharged 410-kW engines (aSpeed 236). It had a crew of three and carried six passengers.

Those impressed into the military were designated C-36 (later UC-36).

Related Developments
The L-12 Electra Junior (1936) was slightly smaller, with six passengers. It could reach 225 mph with the same engines. Loaded weight was  4.3 tons. 130 were constructed. Those used by he USAAF were designated UC-40 while those used by the Navy/Marines were JO-1/JO-2. The military versions carried seven passengers in slightly less luxurious conditions. Sixteen armed versions (two .50-cal M-2's and external bomb racks) were ordered by the Netherlands.

The larger L-14 Super Electra (1937) carried 12 passengers. With 567-kW engines it could reach 250 mph and had triple the range of the L-10. Loaded weight was 8.75 tons. Some 233 were built, slightly more than half of these under license in Japan. It served as the basis for the Hudson light bomber.