Sikorsky are a manufacturer of helicopters. In much the same way that Ford are a manufacturer of cars.
As a manufacturer of helicopters they make more than one type, so your question needs to be a little more specific.
Even if you name a specific model, there will be different roll-fits which will each have a different weight. The Sikorsky CH-53E has a maximum design gross weight of 46,500 lbs. Its maximum design gross weight with an external load is 73,500 lbs.
Not all army helicopters have the same weight. The Sikorsky UH-60 Blackhawk helicopter weighs 13,648 pounds when empty. This helicopter has a maximum speed of 173 miles per hour.
the Sikorsky Aircraft Corporation.
A HSS-2 weighs 11,865 lb (5,382kg) when empty, and around 18,626 lb (8,449kg) when loaded.
The cast of The Sikorsky Helicopter - 1943 includes: Igor Sikorsky as himself Karl Swenson as Narrator
Igor Sikorsky invented the helicopter.
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Igor Sikorsky invented the first practical helicopter
Igor Sikorsky did.