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Published on Mar 23, 2013
Competition : SAE Aero Design East 2013
University: M H Saboo Siddik College of Engineering - Mumbai, India Team: Team Aerosouls Model: Rahat (AM-03)
RAHAT - A Flight For Relief Rahat, a multi utility UAS, is designed for short-range aid operations. It can accurately drop an aid package of upto 3.25 lbs on a target and transport an additional cargo while delivering real-time data and video feed to the ground station. Highly portable and rugged, the Rahat was specifically designed to be easily shipped around the world as a single kit or a set of kits. The empty weight of the UAS is less than 9 lbs and the shipping size of a complete Rahat system is less that 6 ft. A single kit can be easily carried by one person alone. A Rahat system can be quickly erected, with only five main components that need to be assembled on-field. Additional systems and accessories, fuel tanks, etc. can be easily incorporated into at least one of its payload bays for extending its range or capabilities. The low cost makes it affordable for rapid acquisition by aid organisations. With a few modifications, the Rahat can also be used in multiple roles such as spraying insecticides, topographical mapping, surveillance for security, etc.
Specifications:- Wing-Span: 7.607 ft Fuselage Length: 5 ft 4 in Tail Height: 1 ft Empty Weight: 9 lbs Gross Take-Off Weight: 27 lbs Droppable Payload: 3.25 lbs Fuel-Type: Methanol (15% nitro methane) Fuel Capacity: 12.2 cu in Proplusion: 0.46 cu in reciprocating Launch: Wheel Recovery: Wheel Shipping Size: 6×3×2 ft3 Lift area: 7.32 sq ft Navigation: GPS Cruise Air-speed: 54 ft/s Dash Air-speed: 78.75 ft/s Stall Air-speed: 37.46 ft/s Glide Ratio: 17:1 Rate Of Climb: 8.64 ft/s Take-Off Distance: 152 ft
Features:- ● Low Cost, a Rahat system is estimated to cost less than $1000 per unit in production. ● Rugged and light weight composite fuselage shell. ● Two payload bays for maintaining the Center Of Gravity for a balanced flight. ● Access to all electronics at all times, even at full payload. ● Atleast one or both payload bays can accommodate additional systems, fuel tanks, etc. to extend range and/or increase capability. ● Minimised assembly parts for quick assembly on-field. ● Light Weight, the empty weight of the fuselage is less than 9 lbs. ● Simple, elastic-band based drop mechanism which is easy to modify or repair.