Some questions rise on my first visit there....
Available Plans
Here is the list of subscriptions available on this site. Library access and download
Library RotorInfo Library Access
1 Years Library
Means commercial interests out of "donated" material or not?!
Second
producers like for example EC, will not be happy that someone else in
public keeps knowledge base, lawyers have been once already on
track on other guy who offered similar "knowledge"
NHF
me