PRODUCED DESMO-SYSTEMS

The hereunder mentioned "makes" will be progressively hyperlinked to their own informationpages. The content of each page changes and grows in a continuous process. With all this information we want to compose our new "internet-book". From some systems (Mercedes-Benz/Ducati/Pohn BMW/Delage/Velocette) we already possess lots of documentation (but of course never enough). From other systems we only have some references (lines) from a book. Our presentation on the WWW also aims at digging up the vast sources of information from the internet. When you want to contribute to this project, please contact me by E-mail. Nb. Most pictures are scanned from ever collected articles and copies from books, which source is not always retracable.
I will not scan pics from (too) recent magazines. When somebody feels he should claim copyright, please contact me by E-mail.

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  • True Desmodromic Systems (in Internal Combustion Engines)
  • Desmodromic Valve Gear in Steam-engines
  • Semi-Desmodromic Systems
  • Doubtful (crank)case
  • Supposed desmo, but actually non-desmo
  • Ever existed desmo, but non-existing anymore (only mockups)
  • Internal Combustion Cam Engines

    • True Desmodromic Systems (in Internal Combustion Engines)

    Amalgamated
    Ariel (Ron Gardner)
    Arnott (JAP)
    Azzariti (Benelli)
    Battlogg, Stefan (Porsche)
    Bellini
    Bignan (Causan)
    BMG see: Velocette
    BMW 2-valve (Franz Pohn)
    BMW 4-valve (Franz Pohn)
    BMW R1
    BRM (British Racing Motors)
    Brüdersdorf, Roland
    Capriolo (system à la R. Küchen)
    Cenna (Ducati)
    Cosworth
    Daimler Benz & Co
    Decuir
    Delage GP
    DUCATI
    . Factory line 1956 - present time
    .. Ducati 125 GP-triple nocker
    .. Ducati 1 cil. production desmo's(1968 -
    .. Ducati 250-GP-Twin
    .. Ducati paralleltwins
    .. Ducati Bevel-gear L-twins
    .. Ducati Pantah-line
    .. Ducati Four-valve L-twins experimental
    .. Ducati Four-valve L-twins old generation
    .. Ducati Four-valve L-twins new generation Testa Stretta
    .. Ducati Four-valve L-twin 1098 evoluzione
    .. Ducati Four-valve L-twin Panigale
    .. Ducati new generation aircooled L-twins
    .. Ducati new generation liquidcooled L-twins ST3(valve)
    .. Ducati Desmosedici L-Four Twinpulse GP-engine
    DUCATI
    . Non-factory line (private projects)
    .. Ducati Bellini, Paolo 4valve desmo 1 cil. (speedway)
    .. Ducati Del Biondo 4valve desmo 1 cil.
    .. Ducati ErLa
    .. Ducati Mazzucato, Carlo (speedway)
    .. Ducati Gerrit Rook Special (Ice-speedway)
    .. Schönenberg (Norton)
    .. Miscellaneous
    ESO
    Ferrari F1 GP
    Fiat 401 in tipo 801
    Honda
    Horak
    Howarth
    JAP
    Küchen, Richard see: Neander
    Lantenhammer, Otto
    Lau Foo Wah
    Mangoletsi
    Maserati 6 cil.
    Maserati V8.
    Mercedes-Benz (W-196 + 300 SLR)
    Michel-Aviation (AM-16 Aero-engine)
    Miller
    Minarelli : See Arturo Serri
    Mondial 175
    Morini
    Motom : See Arturo Serri
    Moto Guzzi (Hans Peter Länge)
    MV Agusta 125 cc desmo double knocker
    Neander (system Küchen)
    Norton Manx (Doug Hele & Joe Craig)
    Norton350(Harry Hinton)
    Norton 350 (Bryan Thomas)
    NSU (Ultramax) (Willi Hartung)
    Orionette
    OSCA (Maserati 372 DS)
    Packer Special American Board Racer
    Peeren, Frits & Cees Fick
    Pohn, Franz : see BMW
    Porsche 753 GP
    RudgeDDS (David Downer Special)
    Scarab (Reventlow)
    Schneider (system Michaux)
    Serri, Arturo
    Takegawa Honda Monkey Special
    Toyota F1-research engine
    Treen 350 cc research engine
    Vagova (Vareille)
    Velocette (patented by BMG)

    Desmodromic Valve Gear in Steam-engines

    I know numerous patented linkages and excenter (Group 10) valve gear systems in steam-engines.
    These are not covered here. Only the desmo type systems also used in IC-engines are added on this page.
    Dabeg Steam-engine The 221TQ
    Caprotti, Arturo

    Semi-Desmodromic Systems:

    Basse & Selve (Aero engine)
    Duesenberg
    Husqvarna Excam
    Lito Excam
    Muller, Jan
    Salmson
    SEFAC
    Zedel (Zürcher Lüthi)

    Doubtful (crank)cases

    Aries
    AWO/Simpson
    Bianchi (Lino Tonti)
    Honda GP
    Lombard
    Nagant
    Pa Norton's patented system
    Rolland-Pilain

    Supposed desmo, but actually non-desmo

    Ballot
    Mondial 125
    Peugeot L76

    Ever existed desmo, but non-existing anymore (only mockups or drawings exists)

    Foale
    Velocette (Sid Willis)

    Internal Combustion Cam Engines

    Desmodromic Cam Engines


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