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Thread: World's highest speed limit - photo

  1. #1
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    Altair's Avatar
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    Supporting Member Frank S's Avatar
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    I sometimes drive at Mach .10 but mostly hold it down to .09 but out on the open highway I might let it creep up to Mach .12 or .13 if the wife isn't paying attention to how fast I'm going which is rarely these days.
    Never try to tell me it can't be done
    When I have to paint I use KBS products

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    Supporting Member hemmjo's Avatar
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    I had my wife up to about Mach .14, on a motorcycle. She stopped screaming about .12 but was holding on tight.

    Long before we were married!!!! I figured after that she as a keeper.

    But I have not had her over M .12 since we married.

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    Frank S (May 14, 2022), Toolmaker51 (May 15, 2022)

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    Supporting Member Toolmaker51's Avatar
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    Must be getting old. Spent time out figuring those into MPH.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Supporting Member hemmjo's Avatar
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    Have to remember that Mach numbers are a ratio of an objects speed to the speed of sound. The speed of sound varies with the type and density of the material it is traveling though. I know that I did not measure the temperature and humidity of the air. My Mach numbers are just estimates

    This is a handy link to have for things like this.

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    Supporting Member Toolmaker51's Avatar
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    Quote Originally Posted by hemmjo View Post
    Have to remember that Mach numbers are a ratio of an objects speed to the speed of sound. The speed of sound varies with the type and density of the material it is traveling though. I know that I did not measure the temperature and humidity of the air. My Mach numbers are just estimates

    This is a handy link to have for things like this.
    It was a fun diversion, comparing myself to you and little lady or Frank S streaking across Texas.
    Been to his place once; drove fast enough to overshoot it by 3 hours!
    In a hybrid!
    Q: How big is Texas?
    A: Big enough to name different places the same!
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  10. #7
    Supporting Member hemmjo's Avatar
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    Drove to Texas once, to visit wife's family in Houston. Just driving along the highway, "trying" to keep pace with traffic. That is when we Mach .12. Texas is indeed a big place. Next time we went for niece's wedding, we flew down... in an airplane



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