Name this engine!

Discussion in 'Australia' started by Precis, May 17, 2020.

  1. Bluetonguejak

    Bluetonguejak Pretend racer

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  2. gavmac

    gavmac Long timer

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    I didn't know Bosch made engines :) But from that it looks like a Blaupunkt. (Bluespot in DE)
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  3. 0405canvet

    0405canvet Long timer Supporter

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    BRC 500 two stroke.
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  4. Damian_74

    Damian_74 Been here awhile

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    Nice cutaway of...................?

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    Give you a hint
    Cylinder bore 250mm
    Piston stroke 330mm
  5. zzzak

    zzzak Long timer Supporter

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    Ship engine but thats all I've got.
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  6. Damian_74

    Damian_74 Been here awhile

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    Bergen C-25 (Rolls Royce)

    We had to change a crankshaft in one a few years ago - WHAT A JOB!

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  7. richo360

    richo360 Long timer

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    Was going to say, at 16 and a bit litres capacity per cylinder, its got to be a ships engine (well, that and the background in the pic and size of the thing).

    What happened to the crank, scored a bearing?
  8. Damian_74

    Damian_74 Been here awhile

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    Somehow part of an oil filter seal made its way through the system - blocked the oil supply - stopped in a HURRY!

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  9. Damian_74

    Damian_74 Been here awhile

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  10. Richarde1605

    Richarde1605 Long timer

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    Ouch, are they babbit bronze?
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  11. Damian_74

    Damian_74 Been here awhile

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    As per the manual - "The bearing shells are thin walled steel shells, lined with special tin-aluminium bearing material."
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  12. richo360

    richo360 Long timer

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    So no dropping a main cap off and linishing it? lol
  13. Damian_74

    Damian_74 Been here awhile

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    Tried that - failed the hardness test!

    On bigger engines there are a few mobs that can regrind and induction harden in place - but DNV (Classification society) wouldn't allow it on this engine.
    The new crankshaft was Air Freighted form Norway to Australia $$$$$$$$$$
    The final bill after it was back together came in somewhere around $1.5M.
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  14. BergDonk

    BergDonk Old Enough to Know Better

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  15. Kai Ju

    Kai Ju Long timer Supporter

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    Hint, it's not a Desmo
  16. 0405canvet

    0405canvet Long timer Supporter

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    New DR??
  17. BOOTLACE

    BOOTLACE Bikie Scum. Supporter

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  18. zzzak

    zzzak Long timer Supporter

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  19. Sebastionbear

    Sebastionbear Oh! heck...

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    1934 500cc Husqvarna GP race bike
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    Husqvarna 500 GP Racer
    Claimed power: 44hp at 6,800rpm
    Top speed: 118mph
    Engine: 498cc air-cooled OHV 50-degree V-twin
    Weight (dry): 279lb (127kg)
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  20. BergDonk

    BergDonk Old Enough to Know Better

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