He made one because he wanted to help people with there travels. He also wanted to make a helicopter because he thought it would be fun.Another reason is because he probably wanted to make money and when you make something big you get money from it.
*don't take this answer I guessed on it.
Igor Sikorsky invented the helicopter.
helicopter
Igor Sikorsky
Igor Sikorski built the first practical helicopter
Igor sikorsky
Igor Sikorsky made the first practical helicopter
Igor Sikorsky made the first practical helicopter
Igor Sikorsky invented the helicopter.
where did
helicopter
Igor Sikorsky, a Russian born American, made the world's first practical helicopter.
Igor Sikorsky
igor sikorsky
Igor Sikorsky
Igor Sikorsky did.
HELICOPTER
Igor Sikorski built the first practical helicopter