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  1. Autodafe
    Post

    Rudder-in-a-drum

    Ancient Kayaker, just a thought on your friction concerns: Friction is calculated as the product of normal (perpendicular) force and friction...
    Post by: Autodafe, Dec 31, 2008 in forum: Boat Design
  2. Autodafe
    Post

    Boat Lighting

    If you have experience with LEDs and still don't like them then thats certainly your privilege :) My experience has been different to your own...
    Post by: Autodafe, Nov 10, 2008 in forum: All Things Boats & Boating
  3. Autodafe
    Post

    The Wind Powered Sail-less Boat

    Thanks Rick, that has cleared up my concern. I saw how the speed differential gave power to windward, but had a brain fart when it came to...
    Post by: Autodafe, Nov 9, 2008 in forum: Boat Design
  4. Autodafe
    Post

    Boat Lighting

    Fanie, Take sales spiels with a grain of salt. For comparison, wikipedia has an article on relative efficiencies:...
    Post by: Autodafe, Nov 9, 2008 in forum: All Things Boats & Boating
  5. Autodafe
    Post

    The Wind Powered Sail-less Boat

    First Law of Thermodynamics Tom, your aero/hydrodynamics is normally so good that I had to do a triple think before coming in with this, but...
    Post by: Autodafe, Nov 9, 2008 in forum: Boat Design
  6. Autodafe
    Post

    Boat Lighting

    Hi Fanie, I've never used a 12V compact fluoro, but I haven't heard of any problems, and the 12V non-compact seem fine. That being said, I...
    Post by: Autodafe, Nov 8, 2008 in forum: All Things Boats & Boating
  7. Autodafe
    Post

    Hull material for arctic cruising

    Thanks Mike:)
    Post by: Autodafe, Nov 8, 2008 in forum: Materials
  8. Autodafe
    Post

    Hull material for arctic cruising

    Lazeyjack, because I'm using fairly thin plate (5mm) and thinking of home building I'm planning to go with stringers over frames. Thanks very...
    Post by: Autodafe, Nov 8, 2008 in forum: Materials
  9. Autodafe
    Post

    Hull material for arctic cruising

    RHP, I do have a fondness for wood, but I'm not a fanatic. Ally is winning for me for these reasons: 1. Faster construction. The only way wood...
    Post by: Autodafe, Nov 7, 2008 in forum: Materials
  10. Autodafe
    Post

    Hull material for arctic cruising

    Fair comment on the NW passage Teddy. With the way things are going I may duck through the northern sea route as well :) Perhaps I should have...
    Post by: Autodafe, Nov 6, 2008 in forum: Materials
  11. Autodafe
    Post

    Hull material for arctic cruising

    At the moment plans are to start at the bottom end, around the Chilean channels. I'm not aiming for a NW passage, but Norway, Greenland and...
    Post by: Autodafe, Nov 5, 2008 in forum: Materials
  12. Autodafe
    Post

    Hull material for arctic cruising

    Thanks for the interesting note on the fram NordicFolk. A number of early wooden vessels seem to have been successfully strengthened for ice...
    Post by: Autodafe, Nov 5, 2008 in forum: Materials
  13. Autodafe
    Post

    Installing electric propulsion on a 14.6m motor cruiser: realistic and feasible?

    Hi Joel, Certainly electric propulsion is feasible on a motor cruiser. Diesel electric systems have been in use for almost a hundred years,...
    Post by: Autodafe, Aug 29, 2008 in forum: Hybrid
  14. Autodafe
    Post

    Hull material for arctic cruising

    Thanks for the input guys. I see your point samsam, I think I've settled on metal hulls as the safe option. Seaworthiness is something I'm...
    Post by: Autodafe, Jul 1, 2008 in forum: Materials
  15. Autodafe
    Post

    Hull material for arctic cruising

    Thanks for the input so far. I quite like the idea of thin plating over wood... I'll have to think on that idea. I'm in Hobart Mike. The...
    Post by: Autodafe, Jun 19, 2008 in forum: Materials
  16. Autodafe
    Thread

    Hull material for arctic cruising

    Hi folks, I want to build a catamaran suitable for Arctic and Antarctic cruising. The tested choice for icy waters is steel, but this is...
    Thread by: Autodafe, Jun 18, 2008, 73 replies, in forum: Materials
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