Honda I-4 smoothness

Horizontally opposed engines like in Subaru, old VW beetles, Porsche are very well balanced and have a lower center of gravity. I don't know why more cars don't use these.

Many small aircraft engines are horizontally opposed and are made by Mitsubishi, Saab, Kohler, Kawasaki, Bombardier, Fuji and others. The Subaru ones are actually made by parent company Fuji Heavy Industries come to think of it and are very durable in aircraft or in Subarus.

TL

Reply to
Tom Levigne
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lower c.g. may be good [but minor - and in the case of a subaru, somewhat academic]. from what i understand however, they're not necessarily better balanced than straight 4's - they're still subject to second order free moments. only 6's are inherently balanced, but that's the same for straight or flat. no real advantage plus higher cost means they're not worth bothering with.

Reply to
jim beam

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