Peter Max Muller was also the first German with his friends Huschke Von Hanstein and Helmut Polensky to drive a German race car outside Germany after the second WW in 1949 (Giro di Sicilia)
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Originally posted by Porschinelle" post=26479The legend say that this engine is derivated from the Porsche study 161 for a flat 4 aircooled boat engine
I have no idea if it is right
Anyway this engine was very inovative with separated heads and hemi chambersAttached FilesJustin Rio
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Those heads are pretty cool, all right. You don't cobble those up in your garden shed.
Yet, I'm not surprised Herr Porsche passed them by... Legend or not, he kept his price-point and profit margin fixed in his mind, along with a determination to stick to his own patents.
After all, the 356 was a true silk purse out of his very own sow's ear, was it not?----------
Keep 'em flying...
S.J.Szabo
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Hi Justin
Hi SJ
In order to try to find answers to your question re : the Peter Max Muller/Vogelsang engine I made some search and find the right answer in a fantastic paper wrote by Phil Carney and publish under the title "356 Enginology" in the October/November 2009 issue 32 of the Registry magazine
I have sent copy of this 4 pages article to Justin by mail as I don't think we have the right to publish it on the site without Phil agreement
From this article it is said that the Peter Max Muller engine origin form 3 VW studies (115/170 and 171and not 161 as I said by error) on the VW KDF during the war in order to improve te output of the origninal design
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During the war the VW engineers worked on the following solutions
larger pistons
multiple carburetors
supercharging
overhead cams
hemisherical heads
and even sleeved valves
Very quickly it became evident that to increase output power, you needed larger valves more than multiple carburetors
After the war Ferry Porsche engineers made a summary of all what had been done by VW during the war and started three studies
Option 1 type 366 increase power with 2 barburetors instead of one
Option 2 type 367 : increase power by larger valves
Option 3 type 369 increase power by increased compression ratio, domped piston and redesigned rocker arms
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The legend say that Porsche project 367 was originated by the studies done by VW engineers for the "Sturmbootmotor" a KDF engine modified to be used into a marine landing craft
From the 3 projects, projects 369 was the cheapest (thanks SJ) and Porsche went on with this project for his Gmund 356
After the 2nd WW all the pieces used by VW engineers were sent to Gmund including several individual heads from the 367 project
Peter Max Muller through is relation with Ferry Porsche and Huscke Von Hanstein obtain some of these heads, heads that were used by the ex-VW engineer Gustav Vogelsang to develop the PeterMax Muller engine
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