sikorsky had contributed trimendiously to the technological advancement of copters,so he is considered as the father of copter too like others.so the first building was quite amazing,its cool but too heavy with much blades,bravo.
rohan, e-mail, 12.03.2011 20:10
thanks to sikorsky his name dominats the sky .love copters
ibrahim paso, e-mail, 21.08.2007 23:54
Is wery nice helicopter for early 1909 I see a lot of time documentary for Igor Sikorsky and for building helicopter