propeller RPM

Discussion in 'Boat Design' started by Geraxs, Mar 24, 2019.

  1. Geraxs
    Joined: Feb 2019
    Posts: 6
    Likes: 0, Points: 1
    Location: philippines

    Geraxs Junior Member

    how to get propeller RPM guys? i have the engine but it doesn't have and propeller rpm indicated
    ENGINE:
    D 2842 LE 404 MAN
    cylinders: 12V
    RPM: 2300
    kw/hp:956/1300
    bore/stroke:128/142
     
  2. Ad Hoc
    Joined: Oct 2008
    Posts: 7,774
    Likes: 1,681, Points: 113, Legacy Rep: 2488
    Location: Japan

    Ad Hoc Naval Architect

    You get that from the gearbox ratio. How do you get the gearbox ratio...?
    You have to calculate it.
    How do you do that?....you calculate it from charts of the type of propeller you want and one that suits your arrangement.
     
    Last edited: Mar 24, 2019
    bajansailor likes this.
  3. Geraxs
    Joined: Feb 2019
    Posts: 6
    Likes: 0, Points: 1
    Location: philippines

    Geraxs Junior Member

    :O thanks!!!
     
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