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  1. #1
    Join Date
    Jan 2010
    Location
    Wauchope, NSW Australia
    Posts
    21

    Default Converting a Rower to a double paddle boat

    I can't believe it has been a year since I purchased my OZ PDR plans. Anyway, I've decided to build a simple quick single sheet boat first, I know, simple and quick are famous last words. I just want to build it to learn the skills needed and to get into the water. I want to build Hannu's Micro Auray Punt, found here Micro Auray Punt | Free Boat Plans It is light and looks to be stable enough to do some fishing from in local calm waters. The only change I want to make is to add a Keel and use a double paddle with it. But my only concern with double paddle is the seat placement to maintain CG. Would just widening the seat towards the transom do the job? Should I lower the seat to drop the CG as well for use with a double paddle? Any Ideas are greatly appreciated.

    If all goes well I plan to build the PDR to sail around in while I build my dream boat, The Goat Island Skiff, what a beautiful boat that is.
    Charley

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  3. #2
    Join Date
    Apr 2010
    Location
    Oklahoma USA
    Posts
    90

    Default

    I've tried using a kayak paddle in a boat similar to that. It's difficult to make forward progress due to the boat turning sharply with each stroke.

  4. #3
    Join Date
    Dec 2009
    Location
    Jacksonville, FL, USA
    Posts
    77

    Default

    I've built the OZ PDR and Hannu's 10.5 skiff outfitted with the rig from my OZ PDR. I also built a flat bottomed canoe that was designed to paddled by a double paddle. Why do I say all this? Because the OZ is the best fishing boat of the 3. I mounted a small trolling motor on the back and just putz around the salt marshes instead of rowing. It's very stable. I can throw a shrimp net off of it without worrying about capsizing.

    The canoe can technically be paddled by a double paddle but it's very cumbersome and hardly worth the effort and its narrower than the Auray Punt.

    Row the row boats and single paddle your canoes.

  5. #4
    Join Date
    Jan 2010
    Location
    Wauchope, NSW Australia
    Posts
    21

    Default

    Thats what I was wondering, if it was feasible to even use a double paddle with such a short boat. Also after looking around at all of the OZ PDRs on here it really makes me want to get started on my own

    Charley

  6. #5
    Join Date
    Jul 2005
    Location
    'Delaide, Australia
    Age
    65
    Posts
    8,138

    Default

    Centre of gravity with your legs outstretched is not far from your navel. So your navel will have to be about in the same position in paddling mode as rowing mode, though facing in the other direction.

    MIK

  7. #6
    Join Date
    Mar 2010
    Location
    Canberra
    Posts
    115

    Default

    If you are going to use a double paddle on a wider craft, increase the length of the shaft so you don't have to reach uncomfortably either side. Not having to shift yourself (and your weight) from side to side will help with the control and tracking. Matching the length of the shaft to the craft can also help keep the thrust close to the sides which will also help with tracking. Most shop bought double paddles are made for standard kayak type widths.

    I made a longer than standard paddle for this horrid plastic thing which is too wide for standard double paddles

    Dragonfly Innovation Manta Tandem 2.5 Kayak Reviews | Buzzillions.com

    and made a shorter than standard paddle for the thinner Ollie Punt. (also easier for my son to handle - the ukulele shaped paddle heads are also not compulsory)

    Duckworks - The Ollie Punt ...and other Half-Sheet Boats - Part 1

    Adding directional fins or skegs as far from the centre of the craft like Mik's Quick canoe also helps tracking.

    Titch

    P.S. All one sheet boats should be regarded as great for having fun mostly on but sometimes in the water. So keep that in mind when using the boat and think about adding more emergency floatation than Hannu does (i.e. some!) Turning the seat into a bigger box is one idea.

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