Talk:Flat-six engine

message: Corvair section isn't all that accurate.
66.56.28.232 11:22, 29 September 2007 (UTC)

message: This sentence is broken -- or should be: "Subaru offers flat-6s as optional or standard engines on its larger models, starting with the ER-27 in the Subaru XT6, the EG-33 in the SVX, and the EZ series currently used in the Legacy, Outback, and B9 Tribeca SUV which features a Porsche/Subaru designed and German manufactured, Active Valve Control System (AVCS) and Variable Valve Lift (VVL) system, that further enhances high range power and smoothness at idle."173.57.26.9 (talk) 22:18, 8 September 2009 (UTC)
thread_title:  Subaru 

message: The suspension and handling issues of the Chevrolet Corvair and the Porsche 911 have finally been removed from this article after years of being the bulk of the article.  To do this, the "Corvair", "Porsche" and "Subaru" sections have been replaced by an "Automotive use" section that condenses the issues of placing the wide flat-six engine into an automotive layout and minimizes discussion of the handling problems of the available layouts.
The "Automotive use" section has been placed after the "Aircraft engines" section as the latter is the more prominent use of the flat-six engine.
Sincerely, SamBlob (talk) 16:20, 30 January 2010 (UTC)
thread_title:  Suspension and handling issues removed 

message: "Subaru, an automobile manufacturer with a history of making aircraft engines, has developed a front-engine configuration for use with its flat engines. The engine is mounted longitudinally ahead of the front axle and the transmission is mounted longitudinally behind the front axle. Although this layout is intrinsically more expensive to manufacture, less compact, and less space efficient for front wheel drive than a transverse V6, it allows the addition of four-wheel drive by taking power off both the front and back ends of the transmission, since the transmission is located between the front and rear axles. As a result of this unique layout, Subaru now specializes in all-wheel drive vehicles."
On most of its automobiles, Audi as well uses a Longitudinal all wheel drive layout (as well as for most of its front wheel drive cars) with the engine in front of the axle, it almost seems like sensationalist propaganda to say that Subaru pioneered the usage of an opposed layout engine in front of the axles (as well as all wheel drive in a longitudinal layout with the engine in front of the front Axle), as Lancia and Citroën both had cars of a similar layout before Subaru. Another qualm that I have with this section is that it is not like placing the transmission in that layout magically made it suitable for all wheel drive, instead, it was likely re-engineered for that usage (I highly doubt they just "slapped on" a normal transaxle and arrived at all wheel drive, like the article might seem to imply). The power for the front wheels, as well, is not coming directly from the front of the transaxle, rather it is coming from the sides of it, otherwise, where would the engine be attached? The layout Subaru is not unique, and this section seems poorly, and not factually written.
Pastorboy0 (talk) 06:07, 2 November 2010 (UTC)
thread_title:  Subaru innovation? I think not. 

message: It is annoying that the image that leads this topic is of a motorcycle engine. Most people would think of a Porsche engine when "flat six" is mentioned. What gives? 02sbxstr (talk) 00:21, 13 December 2012 (UTC)
replies: text: That's easy: the photo of the Valkyrie engine is the lead image because it's a lot easier to see the Valkyrie engine and identify it as a flat-6 that it is to see a Porsche flat-6 installed in a Porsche. Unless I'm mistaken, it's almost impossible to see a Boxster or Cayman engine once it's installed in the car. Sincerely, SamBlob (talk) 15:19, 15 September 2013 (UTC)
thread_title: Lead image

message: Is there any consensus between which is used in articles? Spacecowboy420 (talk) 08:27, 23 August 2016 (UTC)
replies: text: Both are somewhat ambiguous. "F6" is ambiguous because Ford has a series of inline six engines it calls "F6", ostensibly for "Force 6", but Honda has a flat-6 motorcycle engine it calls an "F6". Subaru calls its flat-6 engines "H6", but an "H engine" is usually considered to be a pair of flat engines stacked together with the two crankshafts geared to a common output shaft in an "H" configuration. An "H6" in this configuration is infeasible (Two flat-3s geared together?) but H4's, H8's, H16's and H24's have been built. The H4 configuration for motorcycles is interesting because it consists of two horizontally opposed boxer twins stacked together, which is the most vibration-free configuration possible for a four cylinder engine.RockyMtnGuy (talk) 17:03, 23 August 2016 (UTC)
thread_title:  F6 or H6 

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thread_title:  External links modified 

message: 'Also, when used in a boxer configuration, a flat-six engine does not have the rocking couple that is present on flat-four engines.'
The [2] reference points to an article that disagrees:
'A flat (“180-degree V”) engine, such as a Subaru four-cylinder, also can be perfectly balanced. To counter the rotational and reciprocating forces, the cylinders in one bank move in exact opposition to those of the other, thereby completely canceling the forces created by each.'
Can I correct this? Derekburgess (talk) 15:26, 14 June 2021 (UTC)
thread_title:  Rocking couple