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Thread: Marking at 19 3/16" on tape measure...

  1. #1
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    Post Marking at 19 3/16" on tape measure...

    My son pointed out that there is a diamond marked every 19 3/16" on his tape measure. Can anyone enlighten me as to the significance of these marks? Thanks.

  2. #2
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    x39
    The newer codes for wood frame construction recognize a 19.2" spacing for studding and especially the engineered truss system for floors. 19.2" divides equally into 96". Works OK and saves 1 joist every 8'
    Cam

    [This message has been edited by cam m (edited 01-17-2006).]

  3. #3
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    Phhht. The floor in my house has 2x10 joists on 16" centers. Laid flat on that as subfloor are 2x10 and 2x8 planks. Over that is 3/4" mdf. The floor doesn't wow at all. I could put a Bridgeport in the middle of the living room. Well, in theory I could.
    Free software for calculating bolt circles and similar: Origin now settable to bottom left! All values positive. Click Here

  4. #4
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    Thanks cam m!

  5. #5
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    <font face="Verdana, Arial" size="2">Originally posted by Evan:
    Phhht. The floor in my house has 2x10 joists on 16" centers. Laid flat on that as subfloor are 2x10 and 2x8 planks. Over that is 3/4" mdf. The floor doesn't wow at all. I could put a Bridgeport in the middle of the living room. Well, in theory I could. </font>
    Evan... Just put a lamp shade on it and tell the wife it's an industrial inspired design... by Imake Chips. A nostalgic piece with a functional aspects.

    [This message has been edited by Tinkerer (edited 01-17-2006).]
    Wow... where did the time go. I could of swore I was only out there for an hour.

  6. #6

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    When I moved into my current house, I was a little concerned about setting up my California King size water bed in the master. The water matress is 7x6' by 10". I think I calculated the weight to be a little over 2000 lbs, but then I realized the disbursed weight over many joists is trivial weight.
    When in doubt, doubt your doubt.
    www.metalillness.com

  7. #7
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    I get a laugh out of the ones marked with 1/2", 1/4" and 1/8" divisions numbered.

    Granted, I like my Starrett scales where the 32nd's and 64th's are marked at their corresponding 1/8" invervals.

    Maybe it is just me, but what ever happened to actually LEARNING how to READ a tape measure or a scale?


    Paying Attention Is Not That Expensive.

  8. #8
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    <font face="Verdana, Arial" size="2">Originally posted by ERBenoit:
    I get a laugh out of the ones marked with 1/2", 1/4" and 1/8" divisions numbered.

    Granted, I like my Starrett scales where the 32nd's and 64th's are marked at their corresponding 1/8" invervals.

    Maybe it is just me, but what ever happened to actually LEARNING how to READ a tape measure or a scale?


    </font>
    That went out with actually learning to read

    I just need one more tool,just one!

  9. #9
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    Pretty soon tape measures will be talking to you, and math skills won't be needed at all. Hah.
    By the way, what's a sixteenth? Can't see that small anymore, and yer talking 64ths


    [This message has been edited by darryl (edited 01-17-2006).]
    I seldom do anything within the scope of logical reason and calculated cost/benefit, etc- I'm following my passion-

  10. #10
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    In school I never learned how to read a tape measure. We had 12" rulers, mostly used the 30cm side. I learned to read a ruler because my dad is a carpenter. I think 80% of the population can only read to the half inch. Reading a quarter or less is asking WAY too much. My dad also taught me to read a mic. I found the info on how to read a vernier and tought myself. Verniers are still a pain to read, even with good eyesight. Some people at work actually wanted a raise in pay for learning to read a dial cal. Dreamers. I do have a dim view of people in society in general. I think it is because people keep proving my assertions correct. If you are the exception, please take no offense. If you are a follower and question nothing, have a nice life. We should all get busy and make something and learn something. Sorry, what was the question? --Doozer

    [This message has been edited by Doozer (edited 01-17-2006).]

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