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  1. Who's up early? Indiana's in the Eastern time...

    Who's up early? Indiana's in the Eastern time zone;)

    Actually, I've been following this thread from the beginning. I may be misunderstanding some of it but it looks to me like he has two...
  2. Have you checked the parameter settings? ...

    Have you checked the parameter settings? According to the manual what you have should work:

    https://sawmillcreek.org/attachment.php?attachmentid=417645&d=1570960931
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    Mineral spirits shouldn't be a problem if your...

    Mineral spirits shouldn't be a problem if your going to wax it. According to the SDS SC Johnson Paste Wax is at least 60% mineral spirits (Stoddard Solvent).
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    So something like this?...

    So something like this?
    https://sawmillcreek.org/attachment.php?attachmentid=416509&d=1569020350
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    Oh, I can see where that would be nice for plans...

    Oh, I can see where that would be nice for plans you sell. I've never had a need for that so that's new to me. Thanks for your explanation.
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    I don't understand what that means and I'm pretty...

    I don't understand what that means and I'm pretty familiar with drafting practices. Do you have an example you can show of what you mean by 3D dimensioning?
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    Interesting. Do you inflate it a bit to help it...

    Interesting. Do you inflate it a bit to help it seal? If so, do you do that before or after clamping the lid down?
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    My barn, built in 1986, has the trusses on 8'...

    My barn, built in 1986, has the trusses on 8' centers. Purlins are 2x4 on edge.
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    Thermal cutoff switch is in the coil circuit so,...

    Thermal cutoff switch is in the coil circuit so, yes, pushing the contactor closed should start the motor.



    I hope you meant 240V. That motor would draw way too much current on 120V.
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    This 415042 is the symbol for an overload...

    This
    415042
    is the symbol for an overload heater. It is just a sensor. It's not a switch.

    This
    415043
    is the symbol for the switch contacts controlled by the heater. This is what opens when...
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    A mechanical override would perform as the OP...

    A mechanical override would perform as the OP indicated, i.e., press in and the motor runs, release and the motor stops. With a safety switch open (this includes the the OL) there is no latching...
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    Let's go back to step one. The compressor runs...

    Let's go back to step one. The compressor runs but instead of shutting off at the normal 175psi (is that correct?) it shuts down at 150psi. Then, it seems that something has to cool off before it...
  13. Actually, the motors (there are three) could each...

    Actually, the motors (there are three) could each have their own VFD internally. I suspect that control is fairly complex on this machine and could involve more than simple on/off control of the...
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    You might want to look at Grizzly's published...

    You might want to look at Grizzly's published performance curve for that G0860 before you commit to it. I suspect it's wrong (surely it's not that bad?) but it's what they specify.

    Here's a plot...
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    I've seen something that looked like that. It...

    I've seen something that looked like that. It was Aluminum Chloride. The little whiskers grow when there's high humidity and a little bit of Chlorine in the air. Did you have a source of Chlorine...
  16. I must be missing something here. Why wouldn't...

    I must be missing something here. Why wouldn't this work:

    https://sawmillcreek.org/attachment.php?attachmentid=413565&d=1564687076
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    Reminds me of the David Letterman skit "Will it...

    Reminds me of the David Letterman skit "Will it Float?". If the brick sinks the water level goes down. If it floats or has neutral buoyancy the water level stays the same. The water level never...
  18. Nice work Andrew. I've plotted both your data...

    Nice work Andrew. I've plotted both your data and Grizzly's on the same graph so we can compare them:
    413160

    Some notes on the above:

    1) I used you velocity numbers without a fudge factor. ...
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    For hose couplers I've modified a standard PVC...

    For hose couplers I've modified a standard PVC coupling, when the hose is an appropriate size, by cutting a spiral groove to match the pitch of the hose wire using a rotary tool with a burr. Careful...
  20. The HF is nowhere close to yours. It has a 10...

    The HF is nowhere close to yours. It has a 10 fan, yours is 12. All else being equal the HP draw of a fan varies with the cube of diameter. On that basis you could say that the HF has less than...
  21. Oh no! You want to know what the point of all...

    Oh no! You want to know what the point of all this is.:eek: That's a great question but unfortunately a long and convoluted answer!

    Here's what it isn't. I'm not trying to help you improve your...
  22. Exactly! You cannot get the level of precision...

    Exactly! You cannot get the level of precision you are claiming.



    No, the circle between .75" and 5.25" has a diameter of 4.5". The area of a 4.5" circle is 15.9sqin or 56%.



    Correct.
  23. Ok, let's try this again. Maybe a picture will...

    Ok, let's try this again. Maybe a picture will help.

    412858

    This is a plot of your data points (plus the boundary conditions) versus area of the duct. You can see the large gaps between 0 and...
  24. Andrew, Larry's comment on testing locations is...

    Andrew, Larry's comment on testing locations is important. The area of a circle varies with the square of diameter so the test points must me located accordingly. You've sampled the inner 4 inches...
  25. These might help:...

    These might help:
    https://www.youtube.com/watch?v=NnxTbVrfb-Q
    https://www.tsi.com/getmedia/1a11d344-0a58-4ca6-94fe-65721825686b/AF-106%20Traversing%20a%20Duct?ext=.pdf...
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