[Tigers] Short v Long Shifters

[michael at michaelshortt.com]

http://voices.yahoo.com/what-short-throw-shifter-damage-your-751967.html


On Fri, Jan 24, 2014 at 11:30 AM, Jay Laifman <jay.laifman at gmail.com> wrote:

> Larry,
>
> With the utmost in respect and appreciation for all your comments, I'm
> going to say in my opinion, I disagree completely!  If this was just about
> numbers and measurements, we'd all be driving a Honda that goes faster,
> handles better, brakes faster, all the while carrying 4 people, with air
> conditioning and a symphony playing on the radio (or digital music player).
>  Instead we drive the Tiger because how it makes us FEEL - whether that is
> the rumble in our gut, the roar in our ears, the feel of the steering wheel
> and stick shift to our hands.  Those are 100% subjective sensations.
>  Therefore, in my opinion, other people's opinions do matter here.
>
> Again, this is only in 100% respect for your opinion on this.  :-)
>
> Jay
>
>
> On Fri, Jan 24, 2014 at 7:47 AM, Larry Mayfield <drmayf at mayfco.com> wrote:
>
> > I am sitting here a bit bleary eyed over the plethora of anecdotal
> comments
> > on short v long sifters.  In my lifetime, I have found that any
> discussion
> > without evidence or data is worth camel spit, lol.  At least a good
> diagram
> > of what is being discussed is paramount: we used to call them free body
> > diagrams intended to provide a common ground for discussion. A good set
> of
> > definitions helps the discussion along as well.  As does the comparison
> of
> > other shifters thrown into the mix.
> >
> > So, a set of rules to aid this discussion perhaps?
> > 1. No other transmissions or cars with different transmission included.
> > Adds
> > no value to the discussion.  Newer and modern manual transmission
> shifting
> > functions differently. They have the benefit of about 50 years of
> > development to fall back on.  Plus how good you feel in shifting your
> > Bimmer, or Scooby or tractor does not have much importance in the
> > discussion.  Stick to the thread, please.
> >
> > 2. Our old transmissions have the shifting fork movement applied by a
> lever
> > on the shifter shaft (generally), The length of that small lever is a
> > direct
> > relation to how far it has to move to engage the synchro rings.
> >
> > 3. The length of the shifter lever below the fulcrum pin in the shifter
> > assembly is a function of how far it needs to be moved to get the shift
> > forks to move to engage the synchros.  If that design has a set of
> levers
> > on the shifter mechanism the same length as the shift fork levers then it
> > will take a lot of rotation to engage. If the shifter mechanism levers
> are
> > longer then they only have to move a short distance.
> >
> > 4. The length of the operator shift lever is a direct function of the
> > length
> > of the other levers in the  system.  The shorter the operator lever, the
> > shorter the Throw. Long lever, longer Throw.  Longer lever also means
> that
> > the gate movement of the lever is longer as well.
> >
> > Danger, anecdotal  comment: In my 55 plus years of driving, Throw of the
> > transmission shifting has always meant how far the shift lever ball, that
> > thing that fits the driver's hand, has to move.
> >
> > 5. In any technical, not feel good, discussion, please use real data:
> crawl
> > under the car, measure the different lever lengths make direct
> comparisons
> > and then comment please...
> >
> > 6. If ya want opinions of anything, just remember that opinions are like
> > noses, everyone has one and they are all different and the meaning behind
> > every one is vast.
> >
> > Off soapbox now...
> >
> > larry
> >
> >
> >
> >
> > _________________________
> > drmayf
> > Worlds Fastest Sunbeam, period.
> > 204.913 mph flying mile
> > 210.779 mph exit speed
> > _______________________________________________
> >
> > tigers at autox.team.net
> >
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-- 







Michael L. Shortt
Savannah, Georgia
www.michaelshortt.com
michael at michaelshortt.com
912-232-9390


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