HELICOPTERS Sample Helicopter Measurements – 2017 The helicopter pictured here is only one possible configuration that satisfies rules. Flat balsa wood disk large enough to cover a dime is uppermost part (3.c.) Maximum diameter of 20.0 cm for multibladed rotors (3.f.) Total mass of helicopter excluding rubber motor is at least 2.5 g (3.e.) Helicopter labeled for easy identification (3.j.) SCIENCE OLYMPIAD HIGH SCHOOL (C-01) Up to three fixed pitch rotors with no limit on number of blades or their chord (3.f.) Rubber motor of any mass must be detachable from helicopter (3.i.) Maximum radius of 12.5 cm for single-bladed rotors (3.g.) THE INFORMATION HERE SHOULD NOT BE INTERPRETED AS AN EXTENSION OF THE RULES. THE OFFICIAL RULES IN THE CURRENT RULES MANUAL TAKE PRECEDENCE. © SCIENCE OLYMPIAD INC.
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