Recent content by wyaple

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  6. wyaple

    Airflow Measurements and Loss Of Airflow

    Great Video Mike, But I Have A Question You have two pictures of your Nilfisk pulling a "Baird" 10, which is 110 CFM. BUT, in one pic, you have stated 123 CFM and another 115 CFM. Did you purchase some other anemometer to measure past 110 CFM? Anyway, here's the Baird CFM chart again for...
  7. wyaple

    My suction meter: How to convert mm h2o suction to kPa?

    Mike, That webpage is correct. Your suction gauge goes to 2500mm H2O, which is about 100 inches of water, which is about 25 kPa. What will you need the kPa conversion for by the way? Bill
  8. wyaple

    More airflow tests.

    Baird Meter Conversion Table Although I've posted this many times before, here it is again. From Baird "0" to Baird "8", the spring in the meter itself is fairly linear and amazingly accurate. The last two markings, namely "9" and "10", are non-linear as the spring becomes stretched beyond its...
  9. wyaple

    More airflow tests.

    Miele C3 Cat & Dog Devin, When you first gave me the measurements of the C3, you had measured 101 CFM at the end of the hose and 95 CFM at the end of the extended wand (just before going into the power nozzle). Do you have any idea as to why your newer measurements are so much lower? The end...
  10. wyaple

    More airflow tests.

    GM8901 Conversion Factor This is how you convert feet per minute into CFM when using this anemometer. Diameter of GM8901 Anemometer Detector = 2.1875 inches Radius = 1.09375 inches = .0911458 feet Detector Area = 3.1415926 x .0911458 x .0911458 = 0.0260990 (rounded) Sooooo, if the vacuum...
  11. wyaple

    More airflow tests.

    Harley, I've done three. Here's the video: Bill
  12. wyaple

    More airflow tests.

    Jakob, Airflow Box Introduction Airflow Box Test of the Kirby Sentria II GM8901 Anemometer ($25.21, Free Shipping) http://www.ebay.com/itm/GM8901-Anemometer-Wind-Speed-Gauge-Temperature-Measure-Digital-thermometer-ZQ-/302359399502 Baird Meter...
  13. wyaple

    More airflow tests.

    Another Airflow Shocker... I'm stunned that such an expensive machine still has no better nozzle airflow than a typical bag-less cheapie. I love the look and features of the S7, but your tests reveal that Miele has produced an expensive package that's nothing more than a look and features...
  14. wyaple

    More airflow tests.

    You have to make your own airflow/airwatts box And then grab yourself an anemometer. Check out my YouTube channel VacLab for how to videos. Bill
  15. wyaple

    More airflow tests.

    Almost 59 CFM, That's Towards The Top Of the heap for a bagless machine. So you also were able to get suction measurements at the power nozzle, eh? Very cool! I'll have to build another air box that can do more than just measure airflow. Bill
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