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Re: Cosworth's 2006 V8
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CarGuru > Formula-1 > Re: Cosworth's 2006 V8 12 March 2005 20:25:07

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Re: Cosworth's 2006 V8

Sylvan Smyth 7 March 2005 01:19:05
 
David Betts <davidb@motorsport.­org.uk> wrote:
Cosworth's V8 for next season is said to be giving>825bhp on the test bed already.

There's something odd about this. Isn't capacity being reduced to 2.4
litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're
only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no
problem, but they wouldn't even be getting 725 bhp out of a 2.4.


---
Sylvan Smyth
sylvan@islandnet.co­m
Victoria, BC, Canada
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Pete Fenelon 7 March 2005 01:31:06 permanent link ]
 
Sylvan Smyth <sylvan@islandnet.c­om> wrote:>
David Betts <davidb@motorsport.­org.uk> wrote:>
Cosworth's V8 for next season is said to be giving>>825bhp on the test bed already.>
There's something odd about this. Isn't capacity being reduced to 2.4> litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're> only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no> problem, but they wouldn't even be getting 725 bhp out of a 2.4.

Lighter crank, smaller reciprocating masses, higher revs.
I can well believe it.

pete
--
pete@fenelon.com "Send lawyers, guns and money...."
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Sylvan Smyth 7 March 2005 05:25:07 permanent link ]
 
There's something odd about this. Isn't capacity being reduced to 2.4>> litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're>> only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no>> problem, but they wouldn't even be getting 725 bhp out of a 2.4.

Pete Fenelon <pete@fenelon.com> wrote:
Lighter crank, smaller reciprocating masses, higher revs. >I can well believe it.

Ya figure? 21,000+ rpm? That would be something.


---
Sylvan Smyth
sylvan@islandnet.co­m
Victoria, BC, Canada
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Mark Jackson 7 March 2005 19:49:05 permanent link ]
 
Pete Fenelon <pete@fenelon.com> writes:>
Sylvan Smyth <sylvan@islandnet.c­om> wrote:> >
David Betts <davidb@motorsport.­org.uk> wrote:> >
Cosworth's V8 for next season is said to be giving> >>825bhp on the test bed already.> >
There's something odd about this. Isn't capacity being reduced to 2.4> > litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're> > only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no> > problem, but they wouldn't even be getting 725 bhp out of a 2.4.>
Lighter crank, smaller reciprocating masses, higher revs. > I can well believe it.

The 2006 engine regs include Draconian restrictions on design and
materials. If, even with this kind of silliness, it's still possible
to get 90% of the power then the FIA's technical staff is even less
competent than one suspected.

--
Mark Jackson - http://www.alumni.c­altech.edu/~mjackson­
All creativity is an extended form of a joke.
- Alan Kay


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Pete Fenelon 7 March 2005 20:13:09 permanent link ]
 
Mark Jackson <mjackson@alumni.ca­ltech.edu> wrote:>> > There's something odd about this. Isn't capacity being reduced to 2.4>> > litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're>> > only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no>> > problem, but they wouldn't even be getting 725 bhp out of a 2.4.>>
Lighter crank, smaller reciprocating masses, higher revs. >> I can well believe it.>
The 2006 engine regs include Draconian restrictions on design and> materials. If, even with this kind of silliness, it's still possible> to get 90% of the power then the FIA's technical staff is even less> competent than one suspected.>

Oh dear - the only I've ever had any respect for on the FIA
technical staff is Charlie Whiting, but I suspect technology's moved
on past his level of competence now. The FIA needs to pay a new
poacher-turned-game­keeper - offer Newey and Martinelli (say) a couple
of million a year each to think of new loopholes and plug them.

pete
--
pete@fenelon.com "Send lawyers, guns and money...."
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Matti Vuori 7 March 2005 20:37:06 permanent link ]
 
Pete Fenelon <pete@fenelon.com> wrote in news:p­hsf0d.u6h.ln@­fenelon.com:> Lighter crank, smaller reciprocating masses, higher revs. > I can well believe it.

As the cylinder volume stays the same, reciproting masses are the same
relative to the cylinder size giving no more bhp/liter.

But a smaller engine makes, for example, better exhaust plumbing possible
and a _shorter_ crankshaft and block might tolerate higher revs. Perhaps
the cylinder bore can be increased due to lower packaging problems.

Most likely the power increase simply comes from it being a new
generation engine. Cosworth has been behind in the power race - it's time
for them to climb back.

--
Matti Vuori, <http://sivut.koti.­soon.fi/mvuori/index­-e.htm>

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Pete Fenelon 7 March 2005 21:13:06 permanent link ]
 
Matti Vuori <mvuori@koti.soon.f­i> wrote:>
Pete Fenelon <pete@fenelon.com> wrote in news:p­hsf0d.u6h.ln@­fenelon.com:>> Lighter crank, smaller reciprocating masses, higher revs. >> I can well believe it.>
As the cylinder volume stays the same, reciproting masses are the same > relative to the cylinder size giving no more bhp/liter. >
But a smaller engine makes, for example, better exhaust plumbing possible > and a _shorter_ crankshaft and block might tolerate higher revs. Perhaps > the cylinder bore can be increased due to lower packaging problems.>

Exactly - I was assuming that the 2.4 would be shorter-stroke and
bigger-bore than the 3.0, but it would still be a shorter engine than
the V10. The 'lighter crank' is because it's shorter than the V10 one.

But you're right that the mass of the reciprocating bits would be the
same - my mistake!
Most likely the power increase simply comes from it being a new > generation engine. Cosworth has been behind in the power race - it's time > for them to climb back.


pete
--
pete@fenelon.com "Send lawyers, guns and money...."
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Doc Knutsen 7 March 2005 22:55:07 permanent link ]
 


Pete Fenelon wrote:> Sylvan Smyth <sylvan@islandnet.c­om> wrote:>
David Betts <davidb@motorsport.­org.uk> wrote:>>
Cosworth's V8 for next season is said to be giving>>>825bhp on the test bed already.>>
There's something odd about this. Isn't capacity being reduced to 2.4>>litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're>>only getting 910 bhp out of a 3.0 litre V10. A 3.0 litre V8, sure, no>>problem, but they wouldn't even be getting 725 bhp out of a 2.4.>
Lighter crank, smaller reciprocating masses, higher revs. > I can well believe it.

Surely the reciprocating masses per cylinder of a 2.4 eight cylinder are
not that different to a 3 liter ten cylinder? In that case, we're ready
to go to the ultimate....the 1500cc Coventry Climax 16-cylinder :o)
Doc
pete

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Sylvan Smyth 7 March 2005 23:31:08 permanent link ]
 
Matti Vuori <mvuori@koti.soon.f­i> wrote:
Most likely the power increase simply comes from it being a new >generation engine.

I still think it comes from a miscommunication or a typo.


---
Sylvan Smyth
sylvan@islandnet.co­m
Victoria, BC, Canada
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David Betts 8 March 2005 12:19:05 permanent link ]
 
On 7 Mar 2005 19:31:06 GMT, Sylvan Smyth <sylvan@islandnet.c­om> wrote:
Matti Vuori <mvuori@koti.soon.f­i> wrote:>
Most likely the power increase simply comes from it being a new >>generation engine.>
I still think it comes from a miscommunication or a typo.

Don't forget, Sylvan, that the best of the current engines would have
been over 1000bhp last year without the one-race engine rule and that
Honda still expects to achieve 1000bhp in the races later this year
despite the two-race engine rule. No doubt the engines can produce
much more power for short periods on the test bed.

David Betts (davidb@motorsport.­org.uk)

"In the end it's always a matter of more accelerator and less brake" - Frank Gardner

British Racing Green: http://dbetts.motor­sport.org.uk/brg
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A425couple 12 March 2005 20:25:07 permanent link ]
 

"Doc Knutsen" <doc@NOSPAMknutspee­d.com> wrote in message> Pete Fenelon wrote:> > Sylvan Smyth <sylvan@islandnet.c­om> wrote:> >>David Betts <davidb@motorsport.­org.uk> wrote:> >>>Cosworth's V8 for next season is said to --825bhp> >>--something odd about this. Isn't capacity being reduced to 2.4> >>litres? Nobody's getting 825 bhp out of a 2.4 litre V8 if they're> >>only getting 910 bhp out of a 3.0 litre V10.> > Lighter crank, -- higher revs. I can well believe it.>
Surely the reciprocating masses per cylinder of a 2.4 eight cylinder are> not that different to a 3 liter ten cylinder? In that case, we're ready> to go to the ultimate....the 1500cc Coventry Climax 16-cylinder :o)> Doc

Pasha my friend, lets go really ultimate (of design over practicality)
and go 1500 cc H16!!!


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CarGuru > Formula-1 > Re: Cosworth's 2006 V8 12 March 2005 20:25:07

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