Inline 7
AudiWorld Super User
Joined: Mar 2000
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what sense does that make?
it would be longer than a V8, longer than V10 or V12 and without the smoothness.
So to make it fit into an engine bay you would have to push it further back into the body which reduces occupant space to create engine bay space or elongates the chassis and makes proportions kinda odd.
Bad idea imo.
So to make it fit into an engine bay you would have to push it further back into the body which reduces occupant space to create engine bay space or elongates the chassis and makes proportions kinda odd.
Bad idea imo.
It does run very very smooth though.
AudiWorld Super User
Joined: Aug 2003
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Don't be too sure on the lack of smoothness...
The AAN in my S6 is one of the smoothest running engines I have seen.
The thing with an odd number of cyls in an inline engine - is each cyl fires exactly the same number of degrees apart from the last - and each cyl. has it's own throw. (In a 4 or 6 cyl - pistons travel in pairs together - in a 6 cyl, 1 &6, 2 & 5, and 3&4 travel together. It's why a 4 cyl is so buzzy.)
An I7 would fire every 102.85714285714285714285714285714 (etc) degrees. An I5 every 144.
The thing with an odd number of cyls in an inline engine - is each cyl fires exactly the same number of degrees apart from the last - and each cyl. has it's own throw. (In a 4 or 6 cyl - pistons travel in pairs together - in a 6 cyl, 1 &6, 2 & 5, and 3&4 travel together. It's why a 4 cyl is so buzzy.)
An I7 would fire every 102.85714285714285714285714285714 (etc) degrees. An I5 every 144.
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