Ferrari Mailing List: Re: Flat Plane vs. Cross Plane

[Fellippe Galletta (fellippe.galletta]

Would be nice to know an automotive engineer or two who specialized in motors....

On Tue, May 17, 2016 at 1:28 PM, LSJ via Ferrari <ferrari [at] ferrarilist.com> wrote:

3. And, may provide a less usable torque curve and balancing challenges.

Flat planes are cool and they sound amazing but don't do anything better.

And no, manufacturers shouldn't be moving to flat planes for any real technical reason.

 

LSJ

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From: Doug & Terri <dnt [at] dock.net>
To: LS <lashdeep [at] yahoo.com>
Cc: 'The FerrariList' <ferrari [at] ferrarilist.com>
Sent: Tuesday, May 17, 2016 2:20 AM
Subject: Re: [Ferrari] Flat Plane vs. Cross Plane

Boy –FG – neve a simple question.  Dunno the answer to them.  BUT:

 

1)      Smokey Yunek designed a flat crank chevy engine.  A  lot of work for 5 hp and even exhaust pressure.

 

2)      Porsche’s 12 cylinder 917 used a Type 912 180 degree flat crank.  Note – this was not a boxer engine as the crank webs shared con rods nor was this the engine in a 912 street car.  The “type 912” engine was a rouse to foil any spies that Porsche was working on a 12 cylinder engine.

 

Let us know what you come  up with.

 

DOUG

 

From: Ferrari [mailto:ferrari-bounces+dnt=dock.net [at] ferrarilist.com] On Behalf Of Fellippe Galletta
Sent: Monday, May 16, 2016 10:33 PM
To: DOUG <dnt [at] dock.net>
Cc: The FerrariList <ferrari [at] ferrarilist.com>
Subject: [Ferrari] Flat Plane vs. Cross Plane

 

A lot of talk lately about the flat plane in the Mustang GT350 being similar to the Ferrari V8s....

 

Question to the list:

 

Are the Ferrari 12 cylinders flat plane as well or cross plane?

 

I took a look on wiki and it seems that flat 12 came up under 2 cycle cross plane....hmmm.

 

I'm assuming Lamborghini is identical to Ferrari in this regard for their 10 and 12 cylinder cars....

 

Thanks,

 

FG

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