small target missile constructed largely plastic materials produced division successfully tested united_states_army decision aircraft design development development began similar outline earlier prototypes constructed powered cylinder engine powered cylinder engine results flight testing insufficient interest proposal improved powered boeing resulted contract construction aircraft design extensive use glass plastic materials launched rocket assisted system consisting rockets fitted radio control apparatus assistance radar tracking allowed operated considerable distance launching point addition equipment typically carried target equipped reconnaissance meteorological sensors air sampling equipment utilised tracking system developed audio frequency tones control tip tanks allowed carriage additional fuel extend aircraft range recovery end flight parachute improved version projected provision launching target missiles operational history following maiden flight march evaluation took place remainder year nearly test flights conducted test results generally satisfactory determined performance aircraft insufficient improvement existing types service aircraft ordered production project cancelled improved dedicated reconnaissance variant following termination army evaluation private venture conducted improvement program fitting aircraft larger wing modifications improved performance improvements insufficient produce renewed interest army variants prototype model powered engine built prototype model powered engine built proposed version turbo engine built version turbo engine built production prototype boeing built evaluation proposed reconnaissance version built specifications data general characteristics crew length wingspan height gross weight powerplant boeing shp propellers bladed performance maximum speed mph endurance hour feet service ceiling
Radioplane RP-77