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  1. screwed

    HVAC and The Slide Rule..!!

    Hello All, Why the slide rule?? The simple answer to that question is that for on site conditions, the slide is rule perfectly adequate, and delivers acceptable results. Incidentally, the slide rule estimates obtained during the meeting were +5% up in terms of airflow, and equipment...
  2. screwed

    HVAC and The Slide Rule..!!

    Hello All, This issue is not really about the slide rule at all, anyone with a standard psychometric chart , a $10 dollar Casio calculator and a grasp of the subject could have done the job just as well, but without the presence and impact the slip stick. You can't fake it when you’re up...
  3. screwed

    HVAC and The Slide Rule..!!

    HVAC and The Slide Rule..!! Just recently, we had to undertake a site visit as part of a HVAC bidding pre-qualification exercise. In all, there were six company representatives, including ourselves. At this stage, I must admit that I am getting a little long in the tooth at 56 next birthday...

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