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Considering a used BMW 530i V6



 
 
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  #21  
Old July 7th 08, 02:34 AM posted to alt.autos.bmw
John Carrier
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Posts: 216
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines


SNIP

> Sure, but that's not the half of it... imagine trying to synchronize
> six carbs....


And God created the unisyn/

R / John


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  #22  
Old July 7th 08, 09:58 AM posted to alt.autos.bmw
Dave Plowman (News)
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Posts: 1,533
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

In article >,
Scott Dorsey > wrote:
> Dave Plowman (News) > wrote:
> >In article >,
> > Scott Dorsey > wrote:
> >> John Carrier > wrote:
> >> >The I-6 has the inherent advantage of primary and secondary balance.
> >> >The run smooth. Many of the great cars, and great racing cars, have
> >> >been equipped with an I-6. The disadvantage is length which creates
> >> >installation problems. They tend to be a bit heavier than a V-6 and
> >> >the long crank must be well supported to avoid flexing.

> >
> >> Back in the twenties and thirties there were some 8 and 12 cylinder
> >> inline designs used in performance cars. They resulted in a very,
> >> very long hood.

> >
> >And ignition timing problems. ;-)


> Sure, but that's not the half of it... imagine trying to synchronize
> six carbs....


And you a sound engineer. You just match the hiss. ;-)

--
*No word in the English language rhymes with month, orange, silver,purple

Dave Plowman London SW
To e-mail, change noise into sound.
  #23  
Old July 7th 08, 03:30 PM posted to alt.autos.bmw
Scott Dorsey
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Posts: 3,914
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

Tom K. > wrote:
>
>The inline eights persisted into the fifties in the U.S. with Packard and
>Pontiac building the last ones in 1954 (Buick replaced theirs with a V-8
>after 1953). But never having heard of one before, I am curious about the
>inline twelves - who built them?


I believe at least Hispano-Suiza made one. There were a bunch of early
aircraft inline twelves too, including the Fiat A.30RA and the Daimler DB603.
--scott

--
"C'est un Nagra. C'est suisse, et tres, tres precis."
  #25  
Old July 7th 08, 07:13 PM posted to alt.autos.bmw
Tom K.[_2_]
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Posts: 52
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines


"Scott Dorsey" > wrote in message
...
> Tom K. > wrote:
>>
>>The inline eights persisted into the fifties in the U.S. with Packard and
>>Pontiac building the last ones in 1954 (Buick replaced theirs with a V-8
>>after 1953). But never having heard of one before, I am curious about the
>>inline twelves - who built them?

>
> I believe at least Hispano-Suiza made one. There were a bunch of early
> aircraft inline twelves too, including the Fiat A.30RA and the Daimler
> DB603.


The Hispano-Suiza J-12 model was powered by a V-12 and unlike the ones you
mention, Hispano's aircraft 12 cylinder motors were also in a V
configuration.

Maybe you were thinking of the current Wartsila-Sulzer?

http://people.bath.ac.uk/ccsshb/12cyl/

Tom K.


  #26  
Old July 8th 08, 12:12 AM posted to alt.autos.bmw
dizzy
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Posts: 570
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

John Carrier wrote:

>The I-6 has the inherent advantage of primary and secondary balance. The
>run smooth. Many of the great cars, and great racing cars, have been
>equipped with an I-6. The disadvantage is length which creates installation
>problems. They tend to be a bit heavier than a V-6 and the long crank must
>be well supported to avoid flexing.


Other advantages are cost and simplicity of layout. You can have
those 6 nicely-balanced cylinders with only one cam drive, one set of
camshafts, etc. Inlines are nice for the layout simplicity of all the
intake on one side, all exhaust on the other side. The I6 is a great
compromise because of it's inherent balance, and going any longer gets
to be "too long" for mechanical-strength and packaging considerations
(although longer inlines do exist in some huge-motor applications like
mining equipment and ships). For these reasons, the I6 is extremely
popular in earth-moving and farming equipment, and in "semi" truck
engines.

The I6 would be a lot more popular in cars were not for it's length,
which makes it impractical to turn sideways for FWD applications.

  #27  
Old July 8th 08, 12:30 AM posted to alt.autos.bmw
Tom K.[_2_]
external usenet poster
 
Posts: 52
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines


"dizzy" > wrote in message
...
>
> The I6 would be a lot more popular in cars were not for it's length,
> which makes it impractical to turn sideways for FWD applications.
>


Although there have been at least 3 modern motorcycle applications of the
transverse I-6 - the Benelli 750cc, Honda 1050 and Kawasaki 1300.

Tom K.


  #28  
Old July 8th 08, 01:30 AM posted to alt.autos.bmw
dizzy
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Posts: 570
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

Tom K. wrote:

>"dizzy" > wrote:
>>
>> The I6 would be a lot more popular in cars were not for it's length,
>> which makes it impractical to turn sideways for FWD applications.

>
>Although there have been at least 3 modern motorcycle applications of the
>transverse I-6 - the Benelli 750cc, Honda 1050 and Kawasaki 1300.


Ironically, fitting a long motor transversely may be easier with
motorcycles than with cars. With motorcycles, there is no "hard
limit" to how wide the motor can be. With cars, there's the shocks
and wheel-wells there. Additionally, motorcycles are designed with
the clutch and transmission completely behind the motor. With cars,
the clutch and transmission are inline with the crankshaft, which is
most efficient.

  #29  
Old July 8th 08, 03:30 AM posted to alt.autos.bmw
Jed
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Posts: 24
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

On Mon, 7 Jul 2008 14:13:19 -0400, "Tom K." >
wrote:

>
>"Scott Dorsey" > wrote in message
...
>> Tom K. > wrote:
>>>
>>>The inline eights persisted into the fifties in the U.S. with Packard and
>>>Pontiac building the last ones in 1954 (Buick replaced theirs with a V-8
>>>after 1953). But never having heard of one before, I am curious about the
>>>inline twelves - who built them?

>>
>> I believe at least Hispano-Suiza made one. There were a bunch of early
>> aircraft inline twelves too, including the Fiat A.30RA and the Daimler
>> DB603.

>
>The Hispano-Suiza J-12 model was powered by a V-12 and unlike the ones you
>mention, Hispano's aircraft 12 cylinder motors were also in a V
>configuration.
>
>Maybe you were thinking of the current Wartsila-Sulzer?
>
>http://people.bath.ac.uk/ccsshb/12cyl/


Have BMW ever experimented with a boxer alignment in a vehicle, other
than a motorcycle, like Alfa Romeo?

I drove a white '92 Alfa 33 QV for several years while working in
Holland and enjoyed the car quite a lot. I had none of the infamous
Alfa probems over a span of about 3.5 years.

  #30  
Old July 8th 08, 12:18 PM posted to alt.autos.bmw
Dean Dark
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Posts: 362
Default Considering a used BMW 530i V6 ... A bit on 6 cylinder engines

On Mon, 07 Jul 2008 19:30:44 -0700, Jed
> wrote:
>
>Have BMW ever experimented with a boxer alignment in a vehicle, other
>than a motorcycle, like Alfa Romeo?
>
>I drove a white '92 Alfa 33 QV for several years while working in
>Holland and enjoyed the car quite a lot. I had none of the infamous
>Alfa probems over a span of about 3.5 years.


Well, there's flat engines and there's boxers but most flat engines
actually aren't boxers.
--
Dan.
 




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