Two Northrop F-5E Tiger II airplanes of the Swiss Patrol fly close together during an aerobatic performance at the ILA Berlin Air Show in Berlin, Germany, Tuesday, May 20, 2014. Credit: AP Photo/Michael Sohn
...ce in speed with altitude because of surface friction is enough to form waves which break, for the same reasons that waves a...ence of a different kind. The stuff in this photo is a step behind forming those rotating eddies. Co...
The upper side of the spring does not rest on a nylon sleeve but directly on the carb cable support member and this also showed significant wear. This is really not visible without removing the spring for inspection.