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  1. sub_prop
    Post

    DIY tunnel drive

    In my experience I have seen only two ventilated tunnel type. On Hatteras boats it is used behind the propeller to reduce the propeller pressure...
    Post by: sub_prop, May 22, 2017 in forum: Surface Drives
  2. sub_prop
    Post

    Looking for Kaplan curves

    Try to see if this David Taylor Model Basin (Carderock Division) document is OK for you: NEURAL NETWORK PREDICTIONS OF THE 4-QUADRANT WAGENINGEN...
    Post by: sub_prop, May 22, 2017 in forum: Props
  3. sub_prop
    Post

    Forward drive propeller

    There are three peculiarities with a front propeller: None or less wake Recovering rotational energy from the strut. Less waved cavitation effect,...
    Post by: sub_prop, May 22, 2017 in forum: Props
  4. sub_prop
    Post

    Forward drive propeller

    wrong post
    Post by: sub_prop, May 22, 2017 in forum: Props
  5. sub_prop
    Post

    Wake fraction and thrust deduction

    some other values look wrong, anyway assuming more reasonable values wt/100 and t/100 here the results
    Post by: sub_prop, Apr 27, 2017 in forum: Props
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