predict propeller

Discussion in 'Props' started by heru yudha, Apr 27, 2006.

  1. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    Any body can help me, how to predict and choose propeller for high speed craft. plz completely with the method if possible???:confused:
     
    heru yudha, Apr 27, 2006
    #1
  2. RANCHI OTTO
    Joined: Apr 2005
    Posts: 1,042
    Likes: 37, Points: 0, Legacy Rep: 535
    Location: TRIESTE (ITALY)

    RANCHI OTTO Naval Architect

    Which kind of propulsion do you have plant?
    Piercing propeller or shaft prop.?
    Which speed?
     
    RANCHI OTTO, Apr 27, 2006
    #2
    1 person likes this.
  3. kjell
    Joined: Aug 2005
    Posts: 271
    Likes: 5, Points: 0, Legacy Rep: 31
    Location: mallorca

    kjell Senior Member

    Give me the following data and I will tell you the propeller you need.

    Engine HP ?
    Engine RPM ?
    GearBox Ratio ?
    Boat Speed ?
     
    kjell, Apr 27, 2006
    #3
  4. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    power

    I have 2100 rpm,twin engine by each 800 hp,gear box 2.06 and I hope get 23 knot at service speed.
    thank before
     
    heru yudha, Apr 29, 2006
    #4
  5. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    I use shaft prop by 23 knot at service speed,2x 800hp power,2100 rpm.Lwl:27.3m,Bwl:5.1m,Draft :1.1m
     
    heru yudha, Apr 29, 2006
    #5
  6. kjell
    Joined: Aug 2005
    Posts: 271
    Likes: 5, Points: 0, Legacy Rep: 31
    Location: mallorca

    kjell Senior Member

    This is my calculation using your information.
     

    Attached Files:

    kjell, Apr 29, 2006
    #6
    1 person likes this.
  7. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    ok thank a lot Mr.Kjell
     
    heru yudha, Apr 29, 2006
    #7
  8. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    Hi..everybody can help me plz...
    1)plz tell me how I can get tutorial to construct boat by laminating method??
    2)how I can get open water curve of propeller for design in high speed craft??
    ....thank before.....
     
    heru yudha, May 8, 2006
    #8

  10. heru yudha
    Joined: Apr 2006
    Posts: 6
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Indonesia

    heru yudha Junior Member

    Hi..everybody can help me plz...
    1)plz tell me how I can get tutorial to construct boat by laminating method??
    2)how I can get open water curve of propeller for design in high speed craft and using high speed engine??
    ....thank before.....
     
    heru yudha, May 8, 2006
    #9
Loading...
Similar Threads
  1. Jonahs

    Predict the speed of a towing propeller?

    Jonahs, Sep 30, 2010, in forum: Props
    Replies:
    20
    Views:
    5,571
    BertKu
    Dec 5, 2010
  2. Mermaid Co

    Online resistance prediction-semiplaning transom stern hulls (lahtiharju)

    Mermaid Co, May 20, 2017, in forum: Props
    Replies:
    0
    Views:
    1,645
    Mermaid Co
    May 20, 2017
  3. Mermaid Co

    Online resistance prediction-fisher method

    Mermaid Co, May 20, 2017, in forum: Props
    Replies:
    0
    Views:
    1,511
    Mermaid Co
    May 20, 2017
  4. Mermaid Co

    Online resistance prediction-trawler (ridgeley-nevitt method)

    Mermaid Co, May 20, 2017, in forum: Props
    Replies:
    0
    Views:
    1,483
    Mermaid Co
    May 20, 2017
  5. Mermaid Co

    Online resistance prediction of systematic series of semiplaning-usna

    Mermaid Co, May 20, 2017, in forum: Props
    Replies:
    0
    Views:
    1,557
    Mermaid Co
    May 20, 2017
  6. Robert Biegler

    Sharrow counterrotating propeller seems to have negative stagger and positive stagger

    Robert Biegler, Apr 19, 2024 at 3:01 PM, in forum: Props
    Replies:
    0
    Views:
    34
    Robert Biegler
    Apr 19, 2024 at 3:01 PM
  7. Furkan

    How do different propeller shaft angles impact the performance of marine vessels?

    Furkan, Apr 17, 2024 at 1:29 AM, in forum: Props
    Replies:
    5
    Views:
    156
    philSweet
    Apr 19, 2024 at 10:34 PM
  8. HotJava66

    Tunnel drive propeller selection

    HotJava66, Apr 13, 2024, in forum: Props
    Replies:
    7
    Views:
    263
    baeckmo
    Apr 17, 2024 at 2:48 PM
  9. FroudeAwakening

    Toroidal Propellers (e.g. Sharrow) for Human Powered Boats?

    FroudeAwakening, Jul 14, 2023, in forum: Props
    Replies:
    1
    Views:
    1,094
    Skyak
    Jul 14, 2023
  10. Bob Rosa

    Need help calculating what dia and pitch propeller to use?

    Bob Rosa, Jun 28, 2023, in forum: Props
    Replies:
    9
    Views:
    1,924
    Bob Rosa
    Jul 21, 2023
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.