Automotive The Power of 12

Discussion in 'Retro, Vintage & Classic Forum' started by Knut Omdal Tveito, Oct 29, 2014.

  1. Knut Omdal Tveito

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    [​IMG]
    Ferrari V12


    "When I hear your 12 cylinders, I hear a burst of harmony no conductor could ever recreate"
    Conductor Herbert von Karajan to Enzo Ferrari


    The V12 engine
    12 Cylinders... what more do you need in this world? With perfect primary and secondary balance and six power strokes per revolution it has always been the epitome of refinement, luxury, performance and of course the magnificent engine sounds. An old-skool forum surely needs a thread filled with multiples of 12 cylinders!


    The White Giant from Zuffenhausen
    I will kick it off with the Porsche 917. I recently bought the book on the Porsche 917 by Walter Naher. This book is such a good read, documenting the development of the 917 in great detail, almost from week to week, from 1968-1975. Many untold stories and a lot of technical information and drawings. Here's one photo showing the lineup of 25 "White Giants" for the FIA homologation.
    The air-cooled 180 degree V12 engine is of course dominating the car. Weighing in at 260 kg it accounts for one third of the total weight of the car. Throughout the years it put out between 580 hp in the 4.5l naturally aspirated engine all the way up to 1100 hp for the Can-Am beast. All that in a car weighing 800 kg.


    And here for the symphony...
     
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  2. Andrew Boerner

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    Thank you m8 for this article. Wonderfull.
    Here is a "car" you will love. ;) . The sound starts at 09:33 min.
    - Have FUN out there-

    1960 Peterbilt Hotrod Truck called Piss'd Off Pete

     
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  3. Knut Omdal Tveito

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    Nice one Andrew!

    Here's a beautiful one!
     
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  4. Knut Omdal Tveito

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    Spitfire!
     
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  5. Warren

    Warren Member

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    Nothing could ever beat the sound of a Spitfire at full flight. :)
     
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  6. Knut Omdal Tveito

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    Some smooth V12s!

     
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    Last edited: Nov 5, 2014
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  7. Andrew Boerner

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    My fav thread in here so far. ;)
    Here is another V12.

    Ferrari 3.0L V12 - 1995 Ferrari 412 T2
     
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  8. Knut Omdal Tveito

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    Oh that one makes my knees go weak. Many years ago I actually bought a cd in a small shop in Maranello, called "Mechanical Symphony Vol. 2". On that CD there was one "song" with the 412 and it was jawdropping to hear it the first time. It started at relatively low revs in 2nd-3rd gear coming out of the pits and going all the way to the rev-limiter. The way the sound escalated for every rpm is something I've never heard again. I played it over and over on the stereo! I think I'll fire it back up tonight and wake up the neighbors!
     
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  9. Knut Omdal Tveito

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    Honda RA271
    The Honda RA271 made its debut at the Nordschleife in 1964. The car was a development from the RA270 prototype and the design is heavily inspired by the successful small-capacity multi-cylinder engines used in Honda motorcycles,
    [​IMG]

    For the 1.5 liter Formula 1 regulations, Honda designed an amazingly intricate unit. The V12 engine was placed transversely behind the driver with the engine-block, transmission and differential combined into a single aluminum casting.

    The crankshaft made up a complicated item, using needle roller bearings for the crankshaft and with the power taken off a central spur gear to the 5-speed transmission.

    The cylinder head was designed with two cams per head, 4 valve per cylinder making it a total of 48 tiny valves for this small 1.5 liter engine! Furthermore, steel torsion bars were used for the valve springs!

    With tiny pistons, needle bearings and 4 valves per cylinder the engine was capable of 14000 rpm. For the 1965 season the RA272 was regarded as the most powerful engine on the grid with 230 bhp @ 13000 rpm.

    The peak of its career arrived at 1965 Mexico GP. Piloted by Richie Ginther, the RA272 led the race from start to finish, making Honda the first Japanese manufacturer to win a Formula 1 race.

    Here is some footage of the RA272 at Suzuka (together with the 3 litre V12s of the RA300 and RA301):

    The first Honda Win:
     
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    Last edited: Nov 6, 2014
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