Fun tricks with your RS4 Manual, #274
08-22-2006, 08:06 PM
#1
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Fun tricks with your RS4 Manual, #274
The manual states (as it does in the S4 manual, and I suspect all Audi manuals) that resting your right hand on the shifter in between shifts will wear out the shifter/transmission over time.
How true is this? I know people who always gently rest their wrist atop the shift ****, perfectly situated for the next shift.
Up until now I simply move my hand to the side, but with a small cabin its difficult to do this when you have a passenger.
How true is this? I know people who always gently rest their wrist atop the shift ****, perfectly situated for the next shift.
Up until now I simply move my hand to the side, but with a small cabin its difficult to do this when you have a passenger.
08-22-2006, 10:19 PM
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I've heard that the cone-shaped brass clutch wears due to slight force of our hand.
quotation(1) from the link at the bottom:
"In a synchromesh gearbox, to correctly match the speed of the gear to that of the shaft as the gear is engaged, the collar initially applies a force to a cone-shaped brass clutch which is attached to the gear, which brings the speeds to match prior to the collar locking into place. The collar is prevented from bridging the locking rings when the speeds are mismatched by synchro rings (also called blocker rings or balk rings, the latter being spelled "baulk" in the UK). The gearshift lever manipulates the collars using a set of linkages, so arranged so that one collar may be permitted to lock only one gear at any one time; when "shifting gears", the locking collar from one gear is disengaged and that of another engaged. In a modern gearbox, the action of all of these components is so smooth and fast it is hardly noticed."
Quotation(2):
"When a sychro's cone surface wears out, the splines of the
slider hit the splines of the gear before the speed gets matched, and you hear
the "GRUNCH" sound. The brass sychros are designed to wear before the steel
gear and slider, because the sychros are simple and cheap (10 - 40 bucks each)
compared to the $$expensive steel gear and slider (20 years ago, it was $100
for a first gear for my TR4, about $3 for a sychro)."
click this link and search "wear" for the quotation(2)
http://www.g-speed.com/pbh/double-clutch.html<ul><li><a href="http://en.wikipedia.org/wiki/Manual_transmission">http://en.wikipedia.org/wiki/Manual_transmission</a</li></ul>
"In a synchromesh gearbox, to correctly match the speed of the gear to that of the shaft as the gear is engaged, the collar initially applies a force to a cone-shaped brass clutch which is attached to the gear, which brings the speeds to match prior to the collar locking into place. The collar is prevented from bridging the locking rings when the speeds are mismatched by synchro rings (also called blocker rings or balk rings, the latter being spelled "baulk" in the UK). The gearshift lever manipulates the collars using a set of linkages, so arranged so that one collar may be permitted to lock only one gear at any one time; when "shifting gears", the locking collar from one gear is disengaged and that of another engaged. In a modern gearbox, the action of all of these components is so smooth and fast it is hardly noticed."
Quotation(2):
"When a sychro's cone surface wears out, the splines of the
slider hit the splines of the gear before the speed gets matched, and you hear
the "GRUNCH" sound. The brass sychros are designed to wear before the steel
gear and slider, because the sychros are simple and cheap (10 - 40 bucks each)
compared to the $$expensive steel gear and slider (20 years ago, it was $100
for a first gear for my TR4, about $3 for a sychro)."
click this link and search "wear" for the quotation(2)
http://www.g-speed.com/pbh/double-clutch.html<ul><li><a href="http://en.wikipedia.org/wiki/Manual_transmission">http://en.wikipedia.org/wiki/Manual_transmission</a</li></ul>
08-23-2006, 04:33 AM
#7
No, not really. It can cause accelerated wear on shifting forks and such..
it will not wear on the clutch, and unless you are REALLY leaning on it, it wont wear synchros either.
