Crump weir Flow behaviour on an underwater weir, weir according to E. S. Crump with defined inclinations both upstream and downstream Features - weir according to E. S. Crump Learning objectives/experiments - free and submerged overfall at the Crump weir - observation of downstream hydraulics jumps - discharge at a sill - together with a level gauge: -- determination of the discharge -- comparison of the theoretical and the measured discharge Specification [1] Crump weir for the experimental flume HM 161 [2] weir body contour according to E. S. Crump [3] weir body with sealing lips Technical data Weir body - made of PVC - inclination (upstream): 1:2 - inclination (downstream): 1:5 LxWxH: 1060x600x160mm Weight: approx. 40kg