RileySugarbush
03-26-2020, 01:00 PM
All new 3/16 tubing this year with new 5/16 drops. We worked hard to set up a tight system, but there are a few small taphole leaks. Highest taps are about 50' above the pumps, but many are lower. On the flat section I use old 5/16 tubing and pick up a few trees along the way to the pump.
In this video, the output of the pump is directly pushing the sap up and over a road, and then to a storage tank 200' away through 5/16 tubing. No significant elevation difference between pump and tank. I run it this way most the time and only use the local storage tank when I expect a freeze up, since the transfer line sometimes freezes first and the pump can put out about 50psi and blow the fitting off.
I leave the pump on 24/7 through the season, no temperature switches. Shurflo 4008 (12Vdc) powered directly from an old 12 battery charger on 120VAC
Still pulling about 25 Inches Hg and 14 gal/hour off about 70 taps. I have seen up to about 20/hour.
https://youtu.be/18RK7i22OBE
In this video, the output of the pump is directly pushing the sap up and over a road, and then to a storage tank 200' away through 5/16 tubing. No significant elevation difference between pump and tank. I run it this way most the time and only use the local storage tank when I expect a freeze up, since the transfer line sometimes freezes first and the pump can put out about 50psi and blow the fitting off.
I leave the pump on 24/7 through the season, no temperature switches. Shurflo 4008 (12Vdc) powered directly from an old 12 battery charger on 120VAC
Still pulling about 25 Inches Hg and 14 gal/hour off about 70 taps. I have seen up to about 20/hour.
https://youtu.be/18RK7i22OBE