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  1. #26
    Senior Member edp773's Avatar
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    Which metric system would you like for your wrench sizes? American made bolts use wrench sizes, 10,13,15, and 18 mm. in general. Bolts from overseas generally use wrench sizes 10, 12, 14, and 17 mm.
    Isn't life fun?

  2. #27
    No Rocket Surgeon eubi's Avatar
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    You know, Kyle90 is only 15, and I think he's pretty articulate.

    Get off your golden thrones and give him a break, for crying out loud.

    He's not a troll.

  3. #28
    Ono! sestivers's Avatar
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    Quote Originally Posted by joeprim
    Steve

    What makes it superior? A meter, a yard = the distance from ypor nose to your out streached finger. Weight makes no sense a gram or kilogram is a mass weight is force so here the SAE system makes more sense. Like I said before having the two systems gives an oportunity to teach kids about numbers. Think about fractions for a second 12 devides by 2,3,4,6 with whole number results and rational fractions with 8,9, & 10. What othe base does that. 16 is nice because 16/2/2/2 = 2. Not all that dumb for a base either. Like I said fun with numbers.

    Joe
    The fact that I don't have to ever use a calculator with metric is what makes it superior. Only a savant autistic can do that with the SAE system. Remember how much "fun" it was to add fractions together when you were in 3rd grade, what with the common denominator conversion and all that? It's a complete waste of time for manufacturers to verify they did all the units right before they build something.
    Steve

  4. #29
    45 miles/week Eggplant Jeff's Avatar
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    Wow, I had no idea I was a savant autistic. Steve, you must have had a hard time learning arithmetic or something... I do all sorts of measurements and conversions in "standard" without ever using a calculator.

  5. #30
    Ono! sestivers's Avatar
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    If you can convert a mile to inches without a calculator, or even remember how many yards are in a mile you are truly more "special" than I could have ever imagined.

    p.s. My job required me to make crucial decisions in seconds without time for a calculator or even any time to pause for a second to concentrate. It requires rote memorization of thumbrules to get around the ludicrosity of the conversions between English units to do so.
    Last edited by sestivers; 07-26-05 at 12:04 PM.
    Steve

  6. #31
    King of the Forest Totoro's Avatar
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    Quote Originally Posted by Kyle90
    I hate it, I do everything in American and I'm not gonna stop.
    I suppose you'd like to go back to the old English money too.

    From an old English school book:

    What's a third of a pound?
    - Six shillings and eightpence, sir (6/8d).

    How many pence in three shillings?
    - Thirty-six, sir.

    Add fourpence and tuppence ha'penny and sevenpence three farthings. How much change do you have from half-a crown?

  7. #32
    Resident Old Fart Olebiker's Avatar
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    If the imperial system was good enough for Jesus, it's good enough for me. Now, where did I put that cubit stick?
    Wag more, bark less

  8. #33
    45 miles/week Eggplant Jeff's Avatar
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    5280 * 12 = 63360 off the top of my head . Not super tough... Plus that's a totally arbitrary thing to whine about, never once in my life have I needed to convert a distance in miles into a distance in inches. And I bet you've never needed to convert kilometers to centimeters.

  9. #34
    Senior Member joeprim's Avatar
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    Quote Originally Posted by sestivers
    The fact that I don't have to ever use a calculator with metric is what makes it superior. Only a savant autistic can do that with the SAE system. Remember how much "fun" it was to add fractions together when you were in 3rd grade, what with the common denominator conversion and all that? It's a complete waste of time for manufacturers to verify they did all the units right before they build something.
    The point is it teaches you to convert that way. That's why it's fun. I don't know what a savant autistic is, but if you say so I guess I am one.

    Joe

  10. #35
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    The main reason why the metric system was invented is because the unit of inch was not standard across the country (France that is, up to 1791). You could buy X inch (or yards) of fabric at a market and the same X length at a different market a few miles apart and end up with two totally different size of items.

    Somehow the British managed to standardize the emperial system while the French opted for a new one, more uniform across the measurements of length, area, weight, volume.

    Today, the world has two systems with essentially Britain and US using the emperial one and metric for most of the rest of the world.

    Some countries even use a mix, like Ireland and I also think Canada (not sure, yes/no?).

    Works for me.

    Anyone wants to start a thread on Celsuis vs Farenheit ?

  11. #36
    Videre non videri
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    Or Kelvin...

  12. #37
    Senior Member phinney's Avatar
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    Both systems are arbitrary and there are no doubt two so the French could be different from the British. I like the English system much better for temperature because the way temperature is normally reported in whole degrees the English system has better resolution. Same for the metric system when measuring bicycle speed. It's a shame it all didn't all get standardized on one system long ago though.

  13. #38
    Videre non videri
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    Resolution in temperature?
    So, is it really that important for you to know the air temp to half a °C?
    Can you honestly tell the difference between 21.5°C and 22°C?

  14. #39
    RacingBear UmneyDurak's Avatar
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    Quote Originally Posted by Eggplant Jeff
    5280 * 12 = 63360 off the top of my head . Not super tough... Plus that's a totally arbitrary thing to whine about, never once in my life have I needed to convert a distance in miles into a distance in inches. And I bet you've never needed to convert kilometers to centimeters.
    Sure how much you want to bet on that?
    I see hills.... Bring them on!!!
    Stay calm and bring a towel.

  15. #40
    On my TARDIScycle! KingTermite's Avatar
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    I'll take metric any day.....been wishing we'd switch since I was in 5th (~1980) grade when they taught us the metric system.
    Quote Originally Posted by coffeecake View Post
    - it's pretty well established that Hitler was an *******.

  16. #41
    Senior Member classic1's Avatar
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    Just you Americans wait until they bring in the metric time system.

  17. #42
    <>< SoonerBent's Avatar
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    We are slowly, quietly switching. You can't work on an American car now without both SAE and metric tools. Used to be mostly SAE and you'd run into a metric bolt once in a while. Now it's the other way around. The only American made thing I own that I need only my SAE tools for is the Harley.

    And I'm going to have to learn to convert distances faster in my head or the metric distances on OLN are going to drive me crazy during the next Tour.

    SS

  18. #43
    Tiocfáidh ár Lá jfmckenna's Avatar
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    Since 1983 the meter is defined as the distance light travels in a vacuum in exactly 1⁄299,792,458th of a second. So the speed of light is now 299,792,458 meters per second. The cool thing about this is that the time it takes light to travel between two points is no longer indicative of the speed of light but rather the distance between the two points. The meter is based on something real and tangable. I like that. I also like doing base 10 math. Its easier.

    But English system is good for things like carpentry where a quarter foot is 4 inches. You get nice round numbers. As aposed to a quater decimeter for example.

  19. #44
    Senior Member classic1's Avatar
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    Quote Originally Posted by jfmckenna
    Since 1983 the meter is defined as the distance light travels in a vacuum in exactly 1⁄299,792,458th of a second. So the speed of light is now 299,792,458 meters per second. The cool thing about this is that the time it takes light to travel between two points is no longer indicative of the speed of light but rather the distance between the two points. The meter is based on something real and tangable. I like that. I also like doing base 10 math. Its easier.

    But English system is good for things like carpentry where a quarter foot is 4 inches. You get nice round numbers. As aposed to a quater decimeter for example.
    What about the metre?
    Last edited by classic1; 07-27-05 at 10:52 AM.

  20. #45
    Rides again HiYoSilver's Avatar
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    Degrees C seems better than Degrees F because you can feel the difference in each incremental change. Unfortunately most weather guages/reports give you a choice between the two systems, so it's harder to equate a number to a degree of body coldness or heat.
    Hi 'o Silver away

  21. #46
    Tiocfáidh ár Lá jfmckenna's Avatar
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    Quote Originally Posted by classic1
    What about the metre?
    It's actually both if you speak American

  22. #47
    Ono! sestivers's Avatar
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    Quote Originally Posted by jfmckenna
    Since 1983 the meter is defined as the distance light travels in a vacuum in exactly 1⁄299,792,458th of a second. So the speed of light is now 299,792,458 meters per second. The cool thing about this is that the time it takes light to travel between two points is no longer indicative of the speed of light but rather the distance between the two points. The meter is based on something real and tangable. I like that. I also like doing base 10 math. Its easier.

    But English system is good for things like carpentry where a quarter foot is 4 inches. You get nice round numbers. As aposed to a quater decimeter for example.
    Ok, so how do you define one second then? Just curious. Maybe that's the one I thought was based on some radioactive isotope.
    Steve

  23. #48
    On my TARDIScycle! KingTermite's Avatar
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    Quote Originally Posted by sestivers
    Ok, so how do you define one second then? Just curious. Maybe that's the one I thought was based on some radioactive isotope.
    Yes....your memory was good.

    Standard Second
    A relatively invariant amount of time. There are usually 60 standard seconds to the standard minute, 60 standard minutes to the standard hour, and 24 standard hours to the standard day. The length of a standard second is derived from the decay time of cesium atoms. It is close to, but not identical with, the length of time measured by a solar second. By international agreement, a standard second is "the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the cesium atom." (Did you really want to know that?)


    From here: http://www.greyware.com/software/dom...racy/terms.asp
    Quote Originally Posted by coffeecake View Post
    - it's pretty well established that Hitler was an *******.

  24. #49
    Tiocfáidh ár Lá jfmckenna's Avatar
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    Quote Originally Posted by sestivers
    Ok, so how do you define one second then? Just curious. Maybe that's the one I thought was based on some radioactive isotope.
    It is based on the cycles of radiation in two isotopes of Cesium or something like that. But also one second is the amount of time it takes light to travel 299,792,458 meters. How this correlates to the radioactivity and Cesium I don't know.

  25. #50
    On my TARDIScycle! KingTermite's Avatar
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    Actually....I wonder if this could change though.

    I read in some scientific journal a few years ago that they had determined that the speed of light had changed slightly and they thought maybe it wasn't a constant like they thought it was. They suspected that it may be related to the expansion of the universe or some factor like that.
    Quote Originally Posted by coffeecake View Post
    - it's pretty well established that Hitler was an *******.

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