[s-cars] New Audi S6

[Tony Curran]

May be they barrowed ideas from the W12 which is two V6 banks. Remember, the
new Jettas are available with I5s so they just double packed to get the V10.

And I'll have to make do with the new S6 as I here the new S8 isn't gonna
make it to Canada :(

Tony
96 S6

-----Original Message-----
From: s-car-list-bounces at audifans.com
[mailto:s-car-list-bounces at audifans.com]On Behalf Of djdawson2 at aol.com
Sent: January 9, 2006 1:01 PM
To: barmstea at IBB.GOV; s-car-list at audifans.com
Subject: Re: [s-cars] New Audi S6


 Hmmm...
While this all sounds pretty darn cool... I'm having a hard time making the
connection between 40 valves, 4 cams, and 10 cylinders, and the statement:

"The number of moving parts required for ten cylinders is moreover
relatively low, bringing the added bonus of low friction losses."

I do find it interesting that they basically have designed 2 I5's stuck
together... same stroke, same crank design, and even one ECU per 5
cylinders.

Hey... maybe there will be some "retrofitable" technology.

Dave

-----Original Message-----
From: Brian Armstead <barmstea at IBB.GOV>
To: s-car-list at audifans.com
Sent: Mon, 09 Jan 2006 10:40:49 -0500
Subject: [s-cars] New Audi S6




Engine


Newly developed V10 with FSI technology and ample torque characteristic


Ten-cylinder gasoline engines have long been regarded as a particularly
sporty type of power unit. In the form of a V-engine they are short,
compact and correspondingly light. The number of moving parts required
for ten cylinders is moreover relatively low, bringing the added bonus
of low friction losses. It is no coincidence that the Gallardo super
sports car built by Lamborghini ? an Audi subsidiary ? is driven by a
widely acclaimed V10 engine. The V10 in the new Audi S6 is a completely
new engine which first appeared in the Audi S8 and has now been
specifically retuned for use in the top model of Audi's luxury class.


Its ten cylinders are divided into two cylinder banks arranged at an
angle of 90 degrees to each other, and each with two overhead camshafts
(DOHC principle); the spacing between cylinder centers is 90 millimeters
? one of the reasons why this 220-kilogram (approx. 485 lbs.),
four-valve per cylinder engine is so compact. A special intermediate
frame reinforces the cast aluminum crankcase.


The bore is 84.5 millimeters and the stroke 92.8 millimeters, producing
a swept volume of 5,204 cc. With its crankpin offset of 18 degrees, the
V10 fires at an ideal spacing of 72 degrees crankshaft angle. A
balancing shaft located between the cylinder banks eliminates the free
inertial forces of the first degree and contributes equally towards the
engine's notable refinement.
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