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  1. The replies already given are correct. Mainline...

    The replies already given are correct. Mainline spacing is dictated by the woods (density and distribution of taps and the lay of the land), with a goal of keeping laterals straight, tight, downhill...
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    Lots of research information on the subject of...

    Lots of research information on the subject of sanitation influences of spouts and drops on yield at: https://mapleresearch.org/search/?_sf_s=sanitation
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    By that point, just from a sanitation standpoint,...

    By that point, just from a sanitation standpoint, you'd be down to about 50-60% of Yr 1 sap yield. It could be even less if you had serious plugging issues.
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    Crew just finished up retubing (all laterals and...

    Crew just finished up retubing (all laterals and drops) one section of our woods, mostly removing all 3/16" tubing (experiment done) and setting up a new project in that area. About 1,100 taps...
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    Rather than "food grade", you might try searching...

    Rather than "food grade", you might try searching for "water potable" 12v pumps. Likely you'll find a lot more options.
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    Trees always have buds. Highly doubtful they are...

    Trees always have buds. Highly doubtful they are swelling yet.
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    Sugarhouse at around 1,320 ft elevation. ...

    Sugarhouse at around 1,320 ft elevation. Sugarbush goes down to 1,200 ft and upward close to 1,700 ft elevation. Mostly west facing slope of Mt. Mansfield. Tends to be fairly cool, but often,...
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    Please note that while I don't necessarily...

    Please note that while I don't necessarily disagree with you, I can't begin to tell you how many times people will listen to our presentations or email/call with questions, but in the end, instead of...
  9. As long as they are appropriately sized and...

    As long as they are appropriately sized and sloped, mainlines don't really need to be vented. Doing so risks loss of sap if there is a freeze-up or other type of plugging somewhere along the line.
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    I checked with Leader since I'd heard this a...

    I checked with Leader since I'd heard this a couple of times. Leader Evaporator is offering CV spouts in clear and several translucent color variations this year. Clear spouts have been hard to...
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    Soap typically is made to help cut grease. There...

    Soap typically is made to help cut grease. There is no grease involved in maple, so soap is normally to be avoided. Plenty of hot water will generally suffice. However since if you're washing...
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    Most dry gauge failures are due to liquid on...

    Most dry gauge failures are due to liquid on "wet" side of the gauge freezing and the ice damaging the membrane. After that, water will get in.

    You could put a loop of tubing with/without a CV...
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    Long-term weather forecasts are not terribly...

    Long-term weather forecasts are not terribly reliable. History is as good or better an indicator.

    https://mapleresearch.org/pub/mn1116weather-2-2/
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    Assuming the system is kept VERY tight, you can...

    Assuming the system is kept VERY tight, you can get decent vacuum even with long mainlines. However even a small leak will drop the vacuum quickly due to the low CFM movement of these pumps. ...
  15. I'd second that. Getting good information isn't...

    I'd second that. Getting good information isn't easy. Not saying that producer data isn't important, but doing one or two lines of one thing and a couple more of the other won't tell you much...
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    It can vary from location to location (so please...

    It can vary from location to location (so please note this is not in any way legal advice), but typically a landowner "owns" whatever portion of the tree falls within their projected boundary...
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    Most likely yes. Always the chance that several...

    Most likely yes. Always the chance that several seeds landed and grew together, but that's not likely if the stems are connected at/near the stump.
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    Biologically it is one tree. For forestry...

    Biologically it is one tree. For forestry purposes (timber or tapping), each stem measurable separately at 4.5 ft above the ground (dbh height) is considered its own stem and tapped as such.
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    You must have listened real well when I was in...

    You must have listened real well when I was in Ohio a few years back Fred. :lol:
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    You're right in C, but not in F. -0.435 C = 31.2...

    You're right in C, but not in F. -0.435 C = 31.2 F.

    Chart attached. I'd suggest starting out a bit higher than your intended set point, and creeping downward from there. Temperature...
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    Yes, it'll do that. All the sap will run out...

    Yes, it'll do that. All the sap will run out quickly, then stop. After it all runs out you'll get one drop in, one drop out (or one slug in, one slug of sap out). Over the season however, venting...
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    Despite the fact that most of us probably grew up...

    Despite the fact that most of us probably grew up drinking from garden hoses from time to time, they are not water potable due to their often being made from recycled/regrind materials. Better to go...
  23. Thread: preheater

    by DrTimPerkins
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    25 years ago, during the lead issue of the...

    25 years ago, during the lead issue of the mid-1990s, a list of compatible materials for each type of maple use was made as part of the maple equipment manufacturing association. Copper was only...
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    We’ve used both types over the years (CV adapter...

    We’ve used both types over the years (CV adapter or CV spout). Now we mainly use CV2 spouts, primarily because we prefer polycarbonate spouts because they “stick” in the tree better and because they...
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    Yes, obviously location is important. I felt that...

    Yes, obviously location is important. I felt that was included in the “weather” aspect of my comment, which would take in both physio-geography, elevation, aspect of a sugarbush.
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