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  1. #1
    Join Date
    May 2005
    Location
    Indianapolis, IN
    Posts
    255
    Anyone know where I can get one?

    Seriously, my buddies had one that had the CFM for any and all kinds of duct. I was like a little slide-rule thing and you just picked your numbers and it told you what CFM for what size duct or vice-versa.

    I've been wanting one forever...mainly so I could try to commit some duct sizes and their respective CFM to memory. I just can't really seem to fing one though.

    Thanks!!

  2. #2
    Join Date
    Apr 2003
    Location
    Clearwater, Florida
    Posts
    233
    Try any supply house or buy one through Ebay

    http://cgi.ebay.com/Slide-Type-Duct-...QQcmdZViewItem

    Hope this helps.

    Silence is golden - Duct Tape is Silver!

  3. #3
    Join Date
    Jun 2006
    Posts
    2,265

    Ductalator

    Contained in the ExactCharge Refrigeration Calculator is a electronic duct sizing calculator that instantly calculates duct size based on cfm and velocity rate as well as static correlations. It will readout flex duct, rectangular duct sizes with equivalents and smooth round
    duct. It functions just like a ductalator only is electronic and mobile for use with a handheld PDA. Also included is superheat and subcooling correlations, P/T correlations for 28 refrigerants including blends, diagnostic assistance and more. Contact me at exactcharge.com and I will explain all functions and benefits.

  4. #4
    Join Date
    Feb 2004
    Location
    5280
    Posts
    466
    "We'll have to outwit the fiend with our superior intelligence." Yukon Cornelius

    Some people are like Slinkies---not good for anything, but still bring a smile to your face when you push them down the stairs!

  5. #5
    Join Date
    Oct 2004
    Location
    PDX
    Posts
    4,917
    Wow, really? I usually get a ton of them for free from the supply house..Those and superheat slide rulers...

  6. #6
    Join Date
    Aug 2001
    Location
    Mechanicsville, Virginia
    Posts
    1,097

    "If perfection is your goal, you may end up with good enough, what might you end up with when good enough is your goal?"
    Wayne Pendergast, efficientcomfort.net

  7. #7
    Join Date
    Jul 2000
    Location
    Dallas,Texas
    Posts
    4,948
    You could order one from Trane.
    http://trane.com/Commercial/DocPage.aspx?Item=443

  8. #8
    Join Date
    Jul 2006
    Location
    Southern CT
    Posts
    552
    ACCA is the only one I have that includes wire (flex) duct.

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