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Thread: Did You Know?

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    Default Did You Know?

    I came across this interesting tid bit of info and I thought it worthwhile passing on.

    I wasn't aware that Alfred Nobel invented dynamite. At one time he had hundreds of factories all over Europe making it.

    In 1888 his brother died and the newspapers of the time mistakeningly reported his brother's death as his own. With headlines such as: The Merchant Of Death Is Dead'

    After reading his own obituary he was deeply shocked and didn't want to go down in history known only as a War Mongerer, so he established his now famed Nobel prizes including the Nobel Peace Prize. Truth is stranger than fiction everytime.

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    Default A quick I/4 mile

    Quote Originally Posted by metalfossil View Post
    I came across this interesting tid bit of info and I thought it worthwhile passing on.

    I wasn't aware that Alfred Nobel invented dynamite. At one time he had hundreds of factories all over Europe making it.

    In 1888 his brother died and the newspapers of the time mistakeningly reported his brother's death as his own. With headlines such as: The Merchant Of Death Is Dead'

    After reading his own obituary he was deeply shocked and didn't want to go down in history known only as a War Mongerer, so he established his now famed Nobel prizes including the Nobel Peace Prize. Truth is stranger than fiction everytime.
    If you took an average blend of Dynamite that had a velocity of detonation of about 2,500 - 8,000M per second that would mean that at say 5,250M/Sec you could travel from Sydney to Melbourne by road via the coast in about 0.228 of a second.

    Now that's fast.

    The escape velocity of the earth is about 11.2Km/ sec depending if you launch East or West. So thems some powerful engines on that space shuttle.

    Not quite as good as a VE Commodore though.

    Anyway if ya could travel at 5,250Km/sec ya would do the 1/4 mile in 0.00007663619047619047 of a second

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    Quote Originally Posted by metalfossil View Post
    I came across this interesting tid bit of info and I thought it worthwhile passing on.

    I wasn't aware that Alfred Nobel invented dynamite. At one time he had hundreds of factories all over Europe making it.

    In 1888 his brother died and the newspapers of the time mistakeningly reported his brother's death as his own. With headlines such as: The Merchant Of Death Is Dead'

    After reading his own obituary he was deeply shocked and didn't want to go down in history known only as a War Mongerer, so he established his now famed Nobel prizes including the Nobel Peace Prize. Truth is stranger than fiction everytime.
    you were watching discovery channel on saturday weren't you?

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    Quote Originally Posted by Holdfast View Post
    Anyway if ya could travel at 5,250Km/sec ya would do the 1/4 mile in 0.00007663619047619047 of a second
    yeah my ride does in 0.00007's

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    Quote Originally Posted by bezz View Post
    you were watching discovery channel on saturday weren't you?
    Nope, don't have Foxtel. I actually read it in a book.

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    Quote Originally Posted by Holdfast View Post
    If you took an average blend of Dynamite that had a velocity of detonation of about 2,500 - 8,000M per second that would mean that at say 5,250M/Sec you could travel from Sydney to Melbourne by road via the coast in about 0.228 of a second.

    Now that's fast.

    The escape velocity of the earth is about 11.2Km/ sec depending if you launch East or West. So thems some powerful engines on that space shuttle.

    Not quite as good as a VE Commodore though.

    Anyway if ya could travel at 5,250Km/sec ya would do the 1/4 mile in 0.00007663619047619047 of a second
    That to me doesn't quite add up.... 5000m = 5km, so your travelling at 5km/sec, Sydney is approx 1000km from Melbourne = 200 seconds...... or did i miss something....
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    My source tells me that Nobel invented NG dynamite in 1866.

    The velocity of detonation is the rate at which the detonation wave passes through the explosive charge, and with most explosives it falls in the range 2500 - 5500 m/s.

    As a guide:

    ANFO 2200 - 4000 m/s
    Watergels 3500 - 5000 m/s
    Emulsions 4500 - 6100 m/s
    Nitroglycerine based explosives 3500 - 5500 m/s.

    Did you know ANFO can only be ignited by shock ignition? If you dropped a burning match into a pile of ANFO you would be perfectly safe, yet this was the same material that formed the basis of the Oklahoma City Bombing!

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    Quote Originally Posted by pow3rslave View Post
    yeah my ride does in 0.00007's
    The amount of G-force on take off would kill you.

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    Quote Originally Posted by pow3rslave View Post
    yeah my ride does in 0.00007's
    mine too, on street tyres.

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    Quote Originally Posted by Holdfast View Post
    If you took an average blend of Dynamite that had a velocity of detonation of about 2,500 - 8,000M per second that would mean that at say 5,250M/Sec you could travel from Sydney to Melbourne by road via the coast in about 0.228 of a second.

    Now that's fast.

    The escape velocity of the earth is about 11.2Km/ sec depending if you launch East or West. So thems some powerful engines on that space shuttle.

    Not quite as good as a VE Commodore though.

    Anyway if ya could travel at 5,250Km/sec ya would do the 1/4 mile in 0.00007663619047619047 of a second
    i think you mean 5.25 km/sec, and it would mean 1/4 mile in 0.0211 seconds

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    Quote Originally Posted by damo007 View Post
    That to me doesn't quite add up.... 5000m = 5km, so your travelling at 5km/sec, Sydney is approx 1000km from Melbourne = 200 seconds...... or did i miss something....

    Na Ya didn't miss anything I was plain wrong

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    Quote Originally Posted by MasterOfReality View Post
    My source tells me that Nobel invented NG dynamite in 1866.

    The velocity of detonation is the rate at which the detonation wave passes through the explosive charge, and with most explosives it falls in the range 2500 - 5500 m/s.

    As a guide:

    ANFO 2200 - 4000 m/s
    Watergels 3500 - 5000 m/s
    Emulsions 4500 - 6100 m/s
    Nitroglycerine based explosives 3500 - 5500 m/s.

    Did you know ANFO can only be ignited by shock ignition? If you dropped a burning match into a pile of ANFO you would be perfectly safe, yet this was the same material that formed the basis of the Oklahoma City Bombing!

    Mate that is a little misleading and damn dangerous to even suggest
    ANFO should only ever be mixed by professional explosive experts.
    If you mix it using the in-correct ratio and or mixing implements you can and probably will kill yourself and others.


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    Quote Originally Posted by Holdfast View Post
    Mate that is a little misleading and damn dangerous to even suggest
    ANFO should only ever be mixed by professional explosive experts.
    If you mix it using the in-correct ratio and or mixing implements you can and probably will kill yourself and others.

    Let me get one thing straight - I am not suggesting anybody do anything with the stuff. I have done the burning match experiment myself as part of my studies and I am not telling others to do it.

    I know how to mix it and I know what the correct ratio is. I'm a mining engineer by profession and have studied this extensively at university. I have even spent my fair share of time on crew charging holes underground.

    The point of my post was to point out that ANFO is quite powerful, but quite safe in a handling perspective.

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    Haha I watched that doco on foxtel a few months ago, so yeah I knew that

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