[DeTomaso] Speaking of (crankshafts)

Tomas Gunnarsson guson at home.se
Wed Feb 29 06:01:43 EST 2012


True, but what I wanted to point out was that neither crank is flat, they
are both 120 degree cranks it seems.

Tomas

-----Original Message-----
From: Roland Jaeckel [mailto:pantera874 at t-online.de]
Sent: den 29 februari 2012 11:48
To: Tomas Gunnarsson; detomaso at realbig.com
Subject: Re: [DeTomaso] Speaking of (crankshafts)


Porsche 917 is a V engine, the Corvair is a boxer. These are totally
different constructions and not compareable.

Roland Jaeckel
----- Original Message -----
From: "Tomas Gunnarsson" <guson at home.se>
To: <detomaso at realbig.com>
Sent: Wednesday, February 29, 2012 10:11 AM
Subject: Re: [DeTomaso] Speaking of (crankshafts)


> Porsche 917 crank:
>
> http://www.pbase.com/917carl/image/21844549
>
> Corvair crank:
>
> http://www.n56ml.com/corvair/flexplate/problem.html
>
> Neither looks particularly flat. I've a hard time imagining any inline six
> with a 180 deg crank too.
>
> Tomas
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]On Behalf Of JDeRyke at aol.com
> Sent: den 29 februari 2012 09:13
> To: kenn_green at yahoo.com
> Cc: detomaso at realbig.com
> Subject: Re: [DeTomaso] Speaking of (crankshafts)
>
>
> In a message dated 2/28/12 9:34:54 PM, kenn_green at yahoo.com writes:
>
>> Dies the crank have to be flat for a12 cylinder boxer?
>>
>
> Obviously not re your example. Porsche flat-12 race engines used flat
> cranks, as did their boxer-4s (& VWs too) and -6s. My Corvair boxer-6 had
> flat
> cranks from GM. Most 4 vertical cylinder engines use flat cranks as do
> many
> straight 6s. THey're not rare except in modern passenger V-8s.
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