On Monday, January 20, 2014 10:27:22 PM UTC-7, Brad wrote:
just for the record:



I built a kit version of the Russia AC4-C and found it to be a very delightful sailplane to fly and never has any doubts as to it's structural integrity.



The aircraft employed many clever design features and while a lightweight machine, seemed very capable for what it was designed to do.



Brad



N199RK

The Collegiate Soaring Association has a Russia AC-4c based with the Penn
State Soaring Club. Many long flights have been accomplished in it. I have personally rigged it one-handed.

Frank Whiteley