The wind vane consist of a horizontal arm carrying a rectangular flat fin mounted by means of thrust rod and brass bushes in a support. The Horizontal arm is balanced about its axis of rotation by a counter weight attached to the end opposite to the fin. The vane eight direction rods are supported on a suitable galvanized iron pipe threaded into a base casting. Four direction arms carry the letter N.E.S and W which point towards the corresponding true direction while four direction rods indicate the intermediate directions. The Position of counter weight with respect to 8 direction arms indicates the wind direction and may easily be determined by interpolation to the nearest 16 points of the compass.
Hi! Simply click below and type your query.
Our experts will reply you very soon.