Da Vinci Helicopter Fuel Connectors: 4mm Male Castle Bullet

Connectors: 4mm Male Castle Bullet Connectors attached to 13 gauge

glow engine for sport and scale airplanes weighing 8 to 13 lb (3

And it can measure angles up to 10 degrees positive and negative

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Da Vinci Helicopter Fuel Connectors: 4mm Male Castle BulletHighly detailed plastic pieces molded in crean, brown and black. Replica of da Vinci's Aerial Screw design, a forerunner to th modern helicopter. Structurally unable to fly, da Vinci's design stimulated curiosti about the possibility of vertical flight. Mechanical spring controls rotation and vertical movement of th fuselage. No glue or paint required. Illustrated instructions.