HEY MUDDUCK FANS I HAVE 3 DUCKS AN AG DUCK ITS LOW WING MADE OUT OF FOAM BOARD AND 2 GIANT DUCKS ONE IS 4 MIL CORROPLAST ABOUT SAME WEIGHT AND 10 TIMES AS TOUGH THE PLANES CALL FOR A 70 2 STROKE ONE HAS A 90 ST. AND THE CORROPLAST ONE HAS A 120 OS 4 STROKE. THE AG DUCK HAS A91 FOUR STROKE.POWER ON ALL OF THEM IS NO PROBLEM. TAKE OFF ROLL ON THE CORROPLAST PLANE IS ABOUT 25 FEET IN ACALM WIND. WING SPAN ON ALL OF THEM IS 9 FEET. FOR MORE INFO PLANES AND PICS. GO TO WWW.MUDDUCKAVIATION.COM AND THEY CAN HELP YOU. SEE YA IN THE SKY. P.S. JUSTFLY