My Dad likes a mathematical challenge and caluclated the volume of the round bottom CDL tanks we used. We have a 4x8x4, 4x12x4, 4x16x4, and 4x16x5 tanks. He has done charts from the bottom to the top and top to the bottom. When running the RO and calculating the amount in the permeate tank (4x12x4) and the primary holding tank (now 4x16x5) we find the charts are in agreement in the volume. We have a CDL round bottom 230 gallon tank which we haven't run the calculations on. It is our feed tank.
If you figure out the radius of the round area you can work towards the sqaure inches. Then you can work on the length of the tank to determine the volume. It would be nice if CDL did it once and then added hash marks on the ends of their tanks.
Edited to add: I would be interested in a flow meter in the woods to measure the amount of sap pumped to the tanks by the releasers.
Mike
Tapping since 1985 (four generations back to early to mid 1900s). 200-250 taps on buckets and then tubing in the mid 90s. 2013- 275 taps w/sap puller 25 gal. 2014-295 taps w/sap puller 55 ga. (re-tapped to vacuum theory) 2015-330 taps full vac. 65 gal, 2016-400 taps 105 gal, 2017-400 taps 95 gal. 2018-additional 800' mainline and maybe 400 new taps for a total near 800 taps. 2x6 Leader WSE (last year on it) supported by a 250 gph RO.
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