pdf Gfa 031an Popular
By Tim Shirley Tagged in SGS-135 904 downloads
Download
(pdf, 73 KB)
gfa_031an.pdf
![Gfa 031an](https://doc.glidingaustralia.org/joomlatools-files/docman-images/generated/fc2c7c47b918d0c2d792a719dfb602ef.jpg)
SGS 1-35 SERIAL NUMBERS 2 TO 35
There have been two cases of flap buzz or flutter at speeds of about 60 to 70 m.p.h. In both cases it stopped by applying a small amount of flap., either positive or negative flap. It appears at this speed range the flap is not subject to any dampening airload at the '0' degree flap position.