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Was wondering if anyone ever put a spreadsheet together comparing each generation of flow meters?
Spreadsheet for flow numbers ?
- Thread starter Ron Zaker Jr
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Ron I treat each as a one off. Lots of variation within each generation, not scientific here just personal experiences.
Thanks John
Thanks John
Samuel Hagan JR
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I agree with John. We put 2 of the same flow meter, same gen, on a boat and got two different numbers.
Buckshot
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Ron,
There was a group of guys in my area that all bought BM meters at the same time (all came in one shipment) and we tested each one on the same needle in my shop and each one flowed differently. Your number with your flow meter on your boat doesn't correlate with anyone else's numbers.
There was a group of guys in my area that all bought BM meters at the same time (all came in one shipment) and we tested each one on the same needle in my shop and each one flowed differently. Your number with your flow meter on your boat doesn't correlate with anyone else's numbers.
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I would imagine on a BM meter that if the voltage on the batteries was different on each one , that would definitely make a difference in the readings .
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Buck,
What kind of difference were you showing. 1-2 ish?
Mike
What kind of difference were you showing. 1-2 ish?
Mike
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I have seen as much as 10-12 on the meters.
Kris Flynn
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old boris meters on motor 'X' measures 40 while on the newer version (double pump?) it measures about 80. So hopefully that is what you were looking for 
I assume the calibration (zeroing to 300 with the line blocked on my old version) is how you compensate for voltage drop.
Has someone come up with a volume meter? I think that is just as important for a lot of applications (ie water and fuel flow)
I assume the calibration (zeroing to 300 with the line blocked on my old version) is how you compensate for voltage drop.
Has someone come up with a volume meter? I think that is just as important for a lot of applications (ie water and fuel flow)
Buckshot
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10-15
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Yes Kris that is what I was looking for ,thank you.old boris meters on motor 'X' measures 40 while on the newer version (double pump?) it measures about 80. So hopefully that is what you were looking for
I assume the calibration (zeroing to 300 with the line blocked on my old version) is how you compensate for voltage drop.
Has someone come up with a volume meter? I think that is just as important for a lot of applications (ie water and fuel flow)
Mark Stein
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There is a sceew on the back of the gauge to calibrate them. Check you tube there is a video for it. Being new the gauge should be correct but could vary slightly.
The normal blood pressure range is within 10 points so there should not be much variation in gauge reading if they are all calibrated the same
The normal blood pressure range is within 10 points so there should not be much variation in gauge reading if they are all calibrated the same
Kevin Roach
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Most of all the blood pressure gauges have to be loosened on the bottom where the fitting is and rotated, adjusted and tightened back. The problem with these meters is there is a rectangle at the bottom on the gauge front(face) that the needle is to be within. That window is basically at least +- 5mmhg depending on manufacture if the needle is in the middle.
As far as pump pressure and readings at the time of the battery usage, Boris did use a voltage regulator for his pumps in the meters I saw. Once that voltage drops below the regulated voltage you will get a much lower reading. What people don't realize is the pumps are everything to these meters. The are differences in pumps speed, pressure and voltage. While having a fixed voltage does not allow for differences in these pumps.
You will also have tolerances with anything. As the old saying goes, nothing is perfect. These meters are for your reference only.
I will say if you are not reading your flow after coming off the pond and getting a good reference reading then your not getting the most efficient reference number for setting your mixture.
As far as pump pressure and readings at the time of the battery usage, Boris did use a voltage regulator for his pumps in the meters I saw. Once that voltage drops below the regulated voltage you will get a much lower reading. What people don't realize is the pumps are everything to these meters. The are differences in pumps speed, pressure and voltage. While having a fixed voltage does not allow for differences in these pumps.
You will also have tolerances with anything. As the old saying goes, nothing is perfect. These meters are for your reference only.
I will say if you are not reading your flow after coming off the pond and getting a good reference reading then your not getting the most efficient reference number for setting your mixture.
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For the most part I have some number ranges that most boats will work at. If I do give that info out, I usually jsut hand them my flow meter as well. Its an awesome trouble shooting tool. All my boats have 3rd channel in them. So for me its to get me in the ball park. I will then tune from there.
Mike
Mike
