The Sikorsky R-5 was the second helicopter type to go into full production for the U.S. Air Force. The R-5 prototype first flew in August 1943.
source/image: RC MEDIA WORLD
In 1946, the Dragonfly became the second helicopter to enter Coast Guard service under the Navy designation HO3S-1G. They were used to develop techniques and equipment for using helicopters in Air-Sea rescue operations. This RC Sikorsky Ho3s-1g helicopter is a scale of around 1:4 and has a rotor diameter of app.2.5m, with a length of app:2.80m, the take off weight of the helicopter is 25+kg.
The 3-blade rotor is powered by a two stroke 50cc gasoline engine.The cockpit in precisely the right location and the mechanics are built into the engine compartment just like in the full scale version.
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The main body of the helicopter is die cast metal.This models is a truly work of art, representing countless hours and immeasurable energy and resources spent ensuring that as many granular details as possible to accurately reflect the original.//RC MEDIA WORLD
