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Interstate TDR-1 Impact UAV
Interstate TDR-1 Impact UAV

Interstate TDR-1 Impact UAV

The idea of ​​creating a radio-controlled combat aircraft owned by US Navy Lieutenant D. C. Fahrni, he suggested this project in August 1936 years. Despite the endorsement of sufficient support for it has never received. Only in 1940 year created the main components of the UAV - TV control system and a radar altimeter. Conducted in the city 1941 The first experiments have been successful, and the following year the US Navy ordered the production of two prototypes, which are called XTDR-1, and a series of shock drones TDR-1. In addition to this order, by Naval Aircraft Factory had signed contracts for the supply of further devices 100 machines TDN-1.

The prototype aircraft XTDR-1 scheme design - monoplane with fixed landing gear type and low wing. It equipped the cockpit with the simple set of instrumentation, as the pilot was required to intervene only in case of loss of communication with the machine. The main armament was presented 900-kg bomb suspended under the fuselage, or a torpedo.

In March, it was planned to build 1943 3000 shock drones TDR-1, but due to technical difficulties and low priority programs to fully implement the ambitious production plan failed.

The first squadron of serial TDR-1 was deployed in the Pacific Ocean 1944 year. Team management were represented planes reworked torpedo Grumman TBF-3. From 46 drones sent on a combat mission, we were able to hit targets 18 machines that imperfect system of that time was considered a good indicator. Other works 189 aircraft were sent to storage and not used in combat missions.

Under the scheme TDR-1 suggested that a twin-engine version of the drone XT2R-1. The plan was to build a prototype 2, but the contract was canceled, and the developers have started creating another modification XT3R-1. Mainly, these two versions differed powerplant options: UAV XT3R-1 manned Wright R-975-13A power 450 hp, and an earlier project involves the use of two motors Franklin O-405-2 225 total capacity of just liter. from.

Total managed to build only one prototype XT3R-2 and three XT3R-1. The contract for the production of the production batch of 40 drones canceled.

Project TDR-1 caused an increased interest of representatives of military aviation. At the airbase USAF in 1943 year were tested production model drone, which was renamed XBQ-4. Most likely, this machine did not meet expectations, and orders for the manufacturing company had not received. Similarly, fate and model BQ-6, which was left unfinished at the stage of the project.

Interstate TDR-1 Impact UAV. Characteristics:

Modification TDN-1
Wingspan, m 14.60
Length m 11.30
Height, m  
Wing area, m2  
Weight, kg  
takeoff 2700
engine's type 1 PD Lycoming O-435-2
Power, hp X 1 220
Maximum speed km / h 225
Practical range, km 685
Payload, kg to 900 kg bombs or a torpedo


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