honda s600 chain final drive? but why?

Discussion in 'General Motoring' started by z, Jun 10, 2009.

  1. z

    z Guest

    turns out the old Honda s600 little sporty cars had a differential and
    half shafts in the rear, but then little sealed chain drives from the
    end of the half shaft to the rear wheel on either side. ???? just to
    reduce unsprung weight?? only reason i can think of.
    z, Jun 10, 2009
  2. z

    Tegger Guest

    To create an independent rear suspension that also drove the rear wheels. I
    can only guess Honda used this design because it used technology Honda

    Here's a pic of that rear end:
    Tegger, Jun 10, 2009
  3. z

    fred Guest

    Quite the car from what I've seen. I saw Leno driving his recently on "My
    Classic Car", and the thing sounds like a proper full blown sports car -
    at 30Mph <g>. Lovely engine sound.
    fred, Jun 12, 2009
  4. z

    TomP Guest

    When you see Honda products that incorporate seemingly illogical or
    unconventional methods, it's be cause Honda does not like to pay patent
    royalties. So, they solve the problem by other "original" means.

    "Honda, we make "It" different."


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    TomP, Jun 13, 2009
  5. z

    tww1491 Guest

    I remember the car from my days in Japan circa 1967-69, both the S600 and
    the S800. Stratospheric rpms as I recall. I autocrossed a Sunbeam Tiger
    (modified) at the time with the Tokyo Sports Car Club, but the S series
    Hondas were in a different class than the 4.2 ltr V8 Tiger.
    tww1491, Jun 13, 2009
  6. z

    jim beam Guest

    oh brother. where do people like you come from? have you never
    considered the fact that maybe, just maybe, there was /technical/ merit
    to that design?

    access to usenet apparently never fixed one either.
    jim beam, Jun 13, 2009
  7. z

    TomP Guest

    Yes, there is always technical merit with a particular design.

    But what I said is not untrue.


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    TomP, Jun 14, 2009
  8. z

    jim beam Guest

    always??? gm, ford, microsoft, etc. can prove you wrong on that one
    eight days a week.

    no, you we're just guessing.
    jim beam, Jun 14, 2009
  9. z

    jim beam Guest

    ok, since nobody else is telling you, i shall.

    one of the key components to vehicle performance is weight. lack of it.
    drive trains, because of torque requirements, are typically very
    heavy. so, if you reduce the torque requirements, you can reduce some
    of the weight of the transmission componentry. all you need then is to
    have the torque output at the driving wheels, and you're set. [if you
    notice, the chain drives are reduction gears, so rpm drops, and torque
    increases. it's also worth noting that chains are more mechanically
    efficient than gears.]

    this approach is not unique. in heavy off-road vehicles for instance,
    torque requirements can very high and variable, thus reliability comes
    from using relatively low torque componentry through the main drive
    line, then [planetary] hub reduction gears for final drive. planetary
    hubs are not terribly efficient, but they are very robust. efficiency
    is not #1 concern when you're axle deep in mud.

    so, going back to the honda, since the vehicle already has a high
    revving engine, there is no reason not to take advantage of this and use
    a reduction gear at the end of the train, taking advantage of lighter
    componentry up to that point. mechanically, it's not a bad system. why
    is it not more commonly used? cost, complexity, low revving engines,
    limited suspension options. and the highly conservative mind-set of the
    typical mechanic.
    jim beam, Jun 14, 2009
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