Quote:
Originally Posted by Viper2000
If direct injection really was so great for piston aero-engines, the chances are that the Allies would have adopted it immediately post-war when all Axis technology was theirs for the taking. The fact that they didn't do so speaks volumes.
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Sry but you are bypassing economics realities : the Industrial war machine was in such a strain at the end of WWII that minimal change in production were made where there was not strategical importance in order to downsize the level of investments. Many non-allied advanced tech were simply rejected in face of this.
Civil Aviation (the only one still interested in piston engine at the time) loose for long Injected eng, Fadec (without D and E
), canards foreplane etc.. Some of the very much "advanced" tech that was rushed back on the GA shelves as "new" products in the late 80's and 90's.
The conclusions you give does not convince me - Sry I am duplicating earlier comments of very good quality