The Tengoen / Tengden "Scorpion-D" is a dimensionally larger version of the company's TB-001 "Twin-Tailed Scorpion" Unmanned Aircraft System (UAS) offering. The aircraft borrows much from its predecessor in utilization of a centralized fuselage, high-wing mounting, twin-tail boom configuration, and shared horizontal tailplane. Avionics are set in the nose which results in a somewhat bulbous housing. A wheeled, tricycle undercarriage is retained for ground running and three-bladed propellers are used at each of the engine installations.
Key changes in the Scorpion-D include four engines instead of the original's two, giving greater performance and inherent hauling capabilities. In addition to this, the wingspan of the new design is noticeable longer and capped by upturned winglets for economy.
Dimensions of the aircraft include a wingspan of 65.5 feet, an overall length of 34.4 feet, and a height of 10.2 feet - making for one large unmanned solution. Operating weights reach 9,600lb, giving much flexibility when hauling cargo loads of up to 3,305lb. Operating ranges are in excess of 3,500 miles.
The Scorpion-D was flown for the first time on October 25th, 2022 out of the Zigong Fengming General Airport (Sichuan Province) to accomplish an automatic take-off action.
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October 2022 - The Scorpion-D UAS has completed its first flight.
Monoplane
Design utilizes a single primary wing mainplane; this represents the most popular modern mainplane arrangement.
Shoulder-Mounted
Mainplanes are mounted at the upper section of the fuselage, generally at the imaginary line intersecting the pilot's shoulders.
Straight
The planform involves use of basic, straight mainplane members.
4 x Conventionally-fueled engines driving three-bladed propeller units in puller arrangement. Propulsion
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