Raft speed

Discussion in 'All Things Boats & Boating' started by djwkd, Oct 7, 2006.

  1. djwkd
    Joined: Jul 2006
    Posts: 380
    Likes: 2, Points: 18, Legacy Rep: 51
    Location: Newcastle-Upon-Tyne

    djwkd Senior Member

    Hi!currently,im building a 50' raft propelled by sail and oar and was wondering if it would be possible to ocver about 100 miles in a month.

    cheers,dominic
     
  2. Poida
    Joined: Apr 2006
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    Likes: 51, Points: 48, Legacy Rep: 497
    Location: Australia

    Poida Senior Member

    Shouldn't be a problem I can swim faster than that.
     
  3. PAR
    Joined: Nov 2003
    Posts: 19,126
    Likes: 506, Points: 93, Legacy Rep: 3967
    Location: Eustis, FL

    PAR Yacht Designer/Builder

    The best possible speed you could get from you 50' raft would be around 10 MPH, unless it is unusually narrow, which could permit higher speed. If it's a raft or barge like thing, you'll probably not get half that speed with the usual devices to propel it, unless ridiculous amounts of power were used (thousands of HP).

    There are 720 hours in a month, so you'd have to average an 1/8th a MPH to get 100 miles distance in that time, which works out to be around 3 and a third miles per day across 30 days travel time. Most river currents move faster then that, if you were just drifting. So, yes you'd cover that distance in a month.
     
  4. djwkd
    Joined: Jul 2006
    Posts: 380
    Likes: 2, Points: 18, Legacy Rep: 51
    Location: Newcastle-Upon-Tyne

    djwkd Senior Member

    thanks everyone,i guess il be goin' to the farne islands some day,now that i know i can in a month!
     
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