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What is desmodronics?

Discussion in 'Motors' started by Dublove, 24 Mar 2006.

  1. Dublove

    Wise Guy

    Joined: 18 Oct 2002

    Posts: 1,302

    Location: Bristol

    To do with valves n stuff etc?
     
  2. mrgubby

    Soldato

    Joined: 21 Oct 2002

    Posts: 5,310

    Location: 30 miles north of London

    uses gears & shafts to open/close the valves. No rockers etc .


    Look Here :-
     
  3. Zefan

    Don

    Joined: 15 Jan 2006

    Posts: 30,837

    Location: Tosche Station

    Isn't this the art of being Desmo? (Waits)
     
  4. mrgubby

    Soldato

    Joined: 21 Oct 2002

    Posts: 5,310

    Location: 30 miles north of London

    as in Desmo drones.........






    ;)
     
  5. Desmo

    Soldato

    Joined: 18 Oct 2002

    Posts: 6,597

    Location: Chillin' on the Boat

    :(
     
  6. fireblade900

    Hitman

    Joined: 23 Nov 2005

    Posts: 512

    Location: Stoke on Trent

    Don't Ducati's use that stuff?
     
  7. Desmo

    Soldato

    Joined: 18 Oct 2002

    Posts: 6,597

    Location: Chillin' on the Boat

    Here's a nice little demonstration :)

    [​IMG]
     
  8. mrgubby

    Soldato

    Joined: 21 Oct 2002

    Posts: 5,310

    Location: 30 miles north of London

    hugs Desmo then runs off before Piggy slaps.........




    //in a very manly way//
     
  9. JRS

    Capodecina

    Joined: 6 Jun 2004

    Posts: 16,754

    Location: Burton-on-Trent

    Mercedes race car engines in the '50s ran with desmodromic valves - basically, as the valve is mechanically opened and closed (rather than relying on a spring to close it) you get better valve control at high engine speeds and eliminate valve float. Also, as the engine doesn't have to work against springs to open the valves you get a reduction in the effort required to open them, increasing the power.