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Leveling

Why do you need a slope in your tubing network?

Contrary to what many people think, it is not the vacuum that carries the water from the maple tree to your releaser , but gravity.

Maple water flows into your network of  tubing like in a stream. The void is of no use what has  increase the flow rate of the sap which comes out of the notch and prevented oxygen from coming into contact with the living tissues of the notch, thus delaying the maple's defense mechanisms to close the notch.

Why leveling?  can make you gain performance?

In a perfect world, in  Good cast your master line should be  completed to a maximum of 50% of its diameter (or its  area of  section ). The closer we get to freezing, the more the level in your mainline should decrease until leaving only a thread which will freeze forming a small ice not obstructing the  master line .

If your tube East  to levels or sloping reverse it will fill up , so the water  accumulated in the tube will freeze forming an ice plug. The first hours of a  casting, usually represents the majority of the sap  harvested . The ice plug thus prevents the sap from reaching your releaser during the best periods of  casting .

Some might think that maple sap is recovered when the ice plug melts, however the ice also prevents the vacuum from reaching the notch. According to studies from the University of  Vermont , the casting increases by 5% per thumb of mercury vacuum at the notch. So if your vacuum is only 5in/ hg vs 25in/hg you lose approx . half of your return for this period.

Moreover, not being vacuum sealed, your notches are in direct contact with oxygen,  plus a notch is exposed to oxygen plus the maple seeks to heal the cut.

So here's how to do a leveling  effective And  sustainable .

The minimum suggested slope is 1% however  We strongly recommend that you aim 2% to counter the unforeseen like the frost of the ground and disturbance of the network by deer.

To make leveling easier, plan your lines in your maple grove with a 2% slope at an ergonomic height.

Optical measuring tools give you the slope in a straight line, however your tube always curves towards the  down between the supports (stays or tutor) this is why you must always take your measurement on the section between two supports as close as possible to your releaser .

We advise you to use a level with level hooks. If you are alone, the use of an electronic level is strongly  recommended .

You will need 2x2 or 2x3 wooden stakes and  tutor foot.

➡️ Click here to order your stake feet 🔥

We offer plastic stake feet  recycled which are made directly on the 2x2 raw or the 2x3 to hover .

When you place your stake foot on the ground, you can remove the humus layer with a shovel or your boot.

Always start at your pump station, as this is often a point where the height is more complex to modify.

Then place your electronic level at the beginning of each section after each  support (stays or tutor). You should get 1% or the equivalent by adjusting the height of the next support . For sections with a ground  has low slope, you can space the stakes up to 8 or 10 feet apart and reduce the starting height by  lowering your release .

Open photo

The use of tape  iron hole surrounding your mainline pin and screws will make it easier for you to precisely adjust the height to each stake. We advise you to keep a minimum height from the ground to prevent your mainline from being under snow in the spring.

Thank you for reading to the end, it is very much appreciated. If you have any positive, negative or constructive comments, I invite you to write to me on Messenger, send me an email and even post a little message on my Facebook page.

I would like to know which passages you liked or disliked, which ones you understood more or less well and what information you would have liked to have on the subject.

🔴For more information on stake feet, click here


2 comments

  • Très intéressant! Merci. Je vais faire ces vérifications car j’ai un rendement de 2 livres par entaille. Devrait être environ 4 livres. 😕

    Stephane Jacques
  • Very interesting especially about the frozen lines. I use 3/16 lines with a drop of 55’ in 300’ average natural vacuum is 22 to 24 inches at the top of the hill. From what I remember the lines always freeze first. Would I be wrong to assume with the smaller line they would thaw quicker? How much vacuum would I need to keep the lines clear of sap at the time freezing? I purchased a line viper a few years ago and it helps a lot it came with a free tutors’ foot. Cannot see how they would help me without some kind of a vacuum pump

    Jack Patriquin

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