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Thread: When engines let go big time!

  1. 5th July 2008, 12:15 #1
    Blackbird
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    When engines let go big time!

    Just going through my files and found the attached pictures.

    John Hobbs drag raced in the UK at the same time as me although he was into the bigger classes and was a whole lot more successful with a string of world records in standing start and flying distances. The last bike he campaigned in the 70's and early 80's before retiring from the sport was called The Hobbit and was powered by twin 850cc Weslake Triumph motors with two superchargers and a 50% nitro mix.

    Riding a top fuel drag bike wasn't likened to sitting on top of a hand grenade with the pin pulled for nothing as one of the photos shows. The big end cap inside the piston wasn't posed - that's where it jammed! Before he retired, he made it into the very low 8's with terminal speeds of over 170 mph. There were only 2 or 3 people in the world at this time who could give him a run for his money.

    Running a circuit racing bike is dear enough, but a drag bike soaks up seriously big money!
    Attached Thumbnails Attached Thumbnails Click image for larger version.  Name: Hobbit.jpg  Views: 141  Size: 65.1 KB  ID: 99575   Click image for larger version.  Name: Hobbit 2.jpg  Views: 111  Size: 79.3 KB  ID: 99576  
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  2. 5th July 2008, 12:26 #2
    Steam's Avatar
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    Intense!
    They are going to blow up a bike tonight at about 5pm at MCR in Dunedin. Apparently last year it took about 45 minutes for the bike to blow. throttle pinned fully open, air-cooled bike in neutral, BOOM!
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  3. 5th July 2008, 12:57 #3
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    TLMAN
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    Quote Originally Posted by Steam View Post
    Intense!
    They are going to blow up a bike tonight at about 5pm at MCR in Dunedin. Apparently last year it took about 45 minutes for the bike to blow. throttle pinned fully open, air-cooled bike in neutral, BOOM!
    poor bike!!
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  4. 7th July 2008, 19:56 #4
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    yeah it lasted 4 minutes cbr 250

    plastic fabricator/welder here if you need a hand ! will work for beer/bourbon/booze

    come ride the southern roads www.southernrider.co.nz
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  5. 7th July 2008, 20:07 #5
    TLDV8
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    Quote Originally Posted by Blackbird View Post
    The last bike he campaigned in the 70's and early 80's before retiring from the sport was called The Hobbit and was powered by twin 850cc Weslake Triumph motors with two superchargers and a 50% nitro mix.
    If i am not mistaken,that bike has been resurrected and being raced at selected events.
    There was mention of it in Classic Bike some time back where it was ridden at a sprint by John Hobbs.



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  6. 7th July 2008, 21:07 #6
    Blackbird
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    Yep, he runs it at 2 classic events a year. Got a photo of it covered in bird shit and cobwebs when it was dragged out from his shed after many years. Nice photos BTW!
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  7. 8th July 2008, 09:26 #7
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    http://youtube.com/watch?v=sgQIgALJhjA

    DB
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  8. 8th July 2008, 13:18 #8
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    Quote Originally Posted by DangerousBastard View Post
    http://youtube.com/watch?v=sgQIgALJhjA

    DB
    Ah, one should think I'd learn not to click on youtube links on of these days. That's another hour down the drain...

    Not time waste as such though - all sorts of cool things from turbo hayabusa go-karts to hovercrafts

    One of the most impressive things I stumbled upon:
    [youtube]http://youtube.com/watch?v=uwOVq5aC0As&feature=related[/youtube]

    Radial engines are cool!
    [youtube]http://youtube.com/watch?v=GUx35zuI5GI&feature=related[/youtube]

    48 cylinder motorcycle
    [youtube]http://youtube.com/watch?v=WXGYWSIePf4&feature=related[/youtube]
    It is preferential to refrain from the utilisation of grandiose verbiage in the circumstance that your intellectualisation can be expressed using comparatively simplistic lexicological entities. (...such as the word fuck.)

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  9. 8th July 2008, 20:12 #9
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    One of the most impressive things I stumbled upon:

    This is bizarre!!

    http://www.youtube.com/watch?v=vM0YmlRIYBI
    Is it still beastiality if ya fuck a frozen chicken??
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  10. 8th July 2008, 22:12 #10
    Slyer's Avatar
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    Love the comments about motors or generator that are over 100% efficient. :P
    Break the laws of physics why don't you.
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  11. 8th July 2008, 23:35 #11
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    Quote Originally Posted by Slyer View Post
    Love the comments about motors or generator that are over 100% efficient. :P
    Break the laws of physics why don't you.
    It would make sense to include thermodynamics 101 in the primary school curriculum - then we should never have to listen to more bogus about perpetual motion engines and related bollocks.
    It is preferential to refrain from the utilisation of grandiose verbiage in the circumstance that your intellectualisation can be expressed using comparatively simplistic lexicological entities. (...such as the word fuck.)

    Remember your humanity, and forget the rest. - Joseph Rotblat
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