Originally Posted by
wrench1
Thanks for that .... I have always been very interested in helicopter history and have most of the books written through the years.
A good book was written by engineer William Hunt who worked with Igor in the early days and contributed a lot of ideas which Igor implemented.
The one mistake Mr Hunt made was the title of his book ......
Heelicopter: Pioneering with Igor Sikorsky .... he spelled Helicopter the way Igor pronounced it (Heelicopter) thus it never comes up in helicopter searches or book indexes..
I think there are still some used copies available for those who are interested in the history.
Thank you