Due to the skills of our Institute in projectile launching and in the aerodynamics of rotating blades, a new concept of Gun Launched Micro Air Vehicle (GLMAV) is proposed. A Micro Air Vehicle (MAV) packaged in a projectile is launched by using an energy delivered by a portable weapon. When the projectile reaches its apogee it is transformed into an MAV which becomes operational over the zone to be observed. Two scenarios are envisaged in such a way that the operational site is situated 100 m and 500 m away from the launch place and at 100 m over the scene. The GLMAV platform with spread rotating blades would then allow the accomplishment of all missions for which the slow, fast or hovering flights are necessary. The first sizing and evaluation of the performances concerning that platform are based on experimental results previously obtained on a two-bladed rotor model. Taking into account the components available at present, the 0.25 m diameter GLMAV would have a mass of about 0.57 kg and a payload of 60 g without any aerodynamic optimization. The operational autonomy counted from the beginning of the observation onwards would then amount to about 15 minutes. By means of these data, aeroballistic simulations performed within the framework of this study allow the sizing of portable weapons. For a firing angle of about 70 deg and a muzzle velocity of 58 m/s the vehicle is brought over the observation zone located at a range of 100 m from the launch place in approximately 6.5 seconds. A firing angle of about 40 deg and a muzzle velocity of 135 m/s are optimal to position the vehicle over the site at a range of 500 m within 12 seconds.
Gun Launched Micro Air Vehicle: A new concept for MAVs
2008
9 Seiten, 6 Bilder, 17 Quellen
Conference paper
Storage medium
English
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