speed boat design

Discussion in 'Boat Design' started by tonipu, Jan 12, 2021.

Page 10 of 10
  1. messabout
    Joined: Jan 2006
    Posts: 3,368
    Likes: 511, Points: 113, Legacy Rep: 1279
    Location: Lakeland Fl USA

    messabout Senior Member

    Tonipu, are you confident that you are using the appropriate scale ratios for your models? Displacement is a function of the cube of the scale

    A one to twenty five scale would imply that the weight of the full sized boat is to be diminished by a factor of 25 x 25 x 25 = 15,625. Then your model, if to scale, must weigh only about one pound for about seven tons of full sized boat. My experience with models is that larger scale is always more representative of what might happen with the full sized boat. Only asking about the scale factors. Carry on.
     
    messabout, Dec 22, 2022
    #136
  2. tonipu
    Joined: Dec 2014
    Posts: 175
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    Location: croatia

    tonipu Senior Member

    I actualy make a 1:10 , if you can see in later video and picture, and i put also two propellers so to be more like areal boat
     
    tonipu, Dec 23, 2022
    #137

  4. tonipu
    Joined: Dec 2014
    Posts: 175
    Likes: 11, Points: 18, Legacy Rep: 10
    Location: croatia

    tonipu Senior Member

    propeler shaft and strut aligning
     

    Attached Files:

    tonipu, Mar 9, 2023
    #138
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