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Type: Posts; User: CampHamp

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  1. Replies
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    I think that’s a good strategy. I pump the float 20 times or so by hand to mix the new sap into the flue pan when I shut down (I open both intake tubes first to get a faster heat exchange).
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    I don’t have much “head” so the pressure variance is pretty large for me. If I want to boil fast and keep the level under an inch then I do this. I think I might put my tank a couple feet higher...
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    Fine-tuning boil depth

    As the level in my head tank drops, I need to adjust the float to keep enough depth in my pan. When I drop a notch, the level shifts 1/2 inch and that is a big shift. So, I added a cup of stones that...
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    Not great image quality, but if you can make out...

    Not great image quality, but if you can make out the green line (vac), you can see how fast it rises when you’ve got no leaks.

    19908
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    I expect the limitation is more about the number...

    I expect the limitation is more about the number of taps because that’s where you lose pressure (incoming air and liquid). I have the same number of taps that you do and I have a single pump (4048)....
  6. Thread: Maplesaint

    by CampHamp
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    99
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    54,400

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    I do a final filter into a 10 gallon “brew kettle” with a spigot (some have built-in thermometers) and bottle from that. It sits on a dual-burner stand about 3 feet high, which means I sit on a 10...
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    I have roughly the same number of taps with...

    I have roughly the same number of taps with similar mix of 3/16 and 5/16 as you.

    All my laterals run downhill (about 12 of them) into a 3/4” mainline that takes a more gentle slope to the...
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    Westmaples,

    Sounds like what I’m seeing. Perhaps with the strong freezes this year, the valves let sap back into the tap holes and the holes healed up. Or maybe it’s a bad batch of faulty valves....
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    What I see is the tap hole runs freely, like when...

    What I see is the tap hole runs freely, like when you drill on a warm day. Also, I use vacuum so I would expect the tree to suck air back in when I pull a CV spout (like in years past).
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    Dry taps pulled, then sap pours out

    I haven’t had tap holes slow down late in the season with CV spouts, but this year was different and I’m not sure why. We had perfect weather the last couple days for big runs but I only took 5-10%...
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    Nice run for you up there! Real slow for me...

    Nice run for you up there!

    Real slow for me today in southern NH. I thought it would be one of those end-of-year gushers because is 50F after two nights in the 20s... I am using check valves, but...
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    "sap backing up mainline" probably means you have...

    "sap backing up mainline" probably means you have an air leak near the pump. Maybe your screen housing isn't tight or one of the other mainline fittings is not tight? you can see where the problem is...
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    I do like Chad with the HF pots. If you keep the...

    I do like Chad with the HF pots. If you keep the bottom clean (I sit mine on 5G paint bucket for draw-off), then you can nest them without cleaning out until season is over.
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    I’d put my pump at the bottom of the hill and use...

    I’d put my pump at the bottom of the hill and use 1/2 or 3/4 tube for the up-hill run.

    Your vacuum at the bottom of the steep hill is lower than at the pump.
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    I setup an automated transfer system and find...

    I setup an automated transfer system and find these main issues to consider:

    1) what are the levels in the tanks?

    - I want to know when I need to start boiling because tanks are getting full....
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    I always assumed that taps popped in the morning,...

    I always assumed that taps popped in the morning, when the sun hits the trees and the air is still below freezing and ices up where the line is in the shade. Maybe we need transition tubing that is...
  17. Thread: Not good

    by CampHamp
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    Taking out all trees that have a maple borer scar...

    Taking out all trees that have a maple borer scar seems extreme to me.
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    For your upgrade, you might consider using...

    For your upgrade, you might consider using siphons (if you’re not already). Then you have a continuous flow pan with gradient and no ladling.

    See here.
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    You will not kill 100% with a water treatment...

    You will not kill 100% with a water treatment unit in a single pass. If you recirculate your main holding tank sap past a UV light (no matter what velocity or chamber thickness), it will kill...
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    Asians (esp S. Koreans) love drinking sap... ...

    Asians (esp S. Koreans) love drinking sap...

    http://www.nytimes.com/2009/03/06/world/asia/06maple.html
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    You will lose about 20psi in 1/2 tube at 4gpm due...

    You will lose about 20psi in 1/2 tube at 4gpm due to friction (see Friction) and another 3psi to lift 8ft (see Head).

    So given 23psi on your outlet...

    The smallest 4008 will leave with 1.3GPM...
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    I run my Shurflo pump down to 30 degrees and...

    I run my Shurflo pump down to 30 degrees and start it at 34 degrees using a $3 temp switch. I have a car battery hooked up to a 2A charger and can keep pumping for a day without power (useful if...
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    The numbers seem too low to be real! Bacteria...

    The numbers seem too low to be real! Bacteria and yeast eat sugars out of sap. Could it be that you didn’t get to boil right away or the sap got warm?
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    A simpler design option to consider is just...

    A simpler design option to consider is just letting the pump run until well below freezing instead of switching over to gravity. I get a lot of sap between 33 and 29 degrees and want the benefit of...
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    If sap is going backwards then the recirculating...

    If sap is going backwards then the recirculating line worked for a while, built up pressure then it hit air. If you got 15”, then there are no “major” leaks. To find a leak, just use your hand to...
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