Hydraulic Performance Test of Drainage Channels

In the Hydraulic Test Centre in Karlsruhe a test between channels without versus channels with built-in fall was done. See the result now.
Without build-in fall:
-4 meters of RECYFIX 150 Type 01
-Water surcharge: 12-13 l/sec
-1:17 minutes till the channel is emptied completely
With 0.5% built-in fall:
-4 meters of RECYFIX 150 Type 01
-Water surcharge: 12-13 l/sec
-1:13 minutes till the channel is emptied completely
Result: Almost same hydraulic performance.
Have fun with this video!
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