About Flat Bottom Boats.....? - Boat Design Net
Aug 12, 2005 · I can give you some actual flat bottom boat ride conditions. Saltwater bay that runs the southern 1/2 of New Jersey. Channel is 4' to 8' deep. Flats are full of drop offs and are from 20' to 1/4 mile wide. boats are 25' flat bottom and flat curve up of the bow. Flat as possible. 4 or 6 cyl. engine, trans., shaft, prop and a rudder.
Naca Airfoils shape and rocker oft flat bottomed boats
Jun 9, 2024 · What I, as a hobby designer of a flat-bottomed boat, want to clarify is ultimately why flat-bottomed boats (like Michael Storer's Goose), which have a strong upward curvature at the stern (like classic scows), glide very well and with a smooth wake.
Flat bottoms seaworthy? - Boat Design Net
Sep 19, 2004 · Deep V hulls where introduced to correct a problem flat bottms used to have, when moving at 30 knots on sea with a flat bottom the boat offers a big flat surface almost parallel to the sea that bumps really hard when going from wave to wave. The V opens the wave smoothly and let the hull go back into sea smoothly.
Why aren't sharpies/flat bottom yachts more common as offshore …
Jun 24, 2016 · If you do put enough rocker in the bottom, you pick up a huge amount of wetted surface and drag. A flat bottom boat isn't much easier than a V bottom (4 panels) or a 5 panel (flat bottom panel) build and there are many advantages to the multi chine approuch, fixing many of the issues of a flat bottom.
what is faster a flat boat hull or a vee pad hull
May 3, 2005 · The flatter the hull bottom is, the more efficient it is at generating lift. As you go to greater and greater deadrise (sharper V), the hull will require more power to maintain the same speed as a flatter bottom of equivalent dimensions and weight (because lift is perpendicular to the running surface, the lift drops off with the cosine of the …
Dory - Flat Bottom - J. Spira - Claims | Boat Design Net
Jun 10, 2015 · Vee Bottom or Flat Bottom The controversy rages on about which is the better boat. I've had people look at me in disbelief when I suggest they can use a flat bottomed boat, such as a Grand Banks dory, for deep water ocean use. They've always been taught that flat bottomed boats flip over. I don't know where that idea came from, but on several
jet drive on flat bottom - Boat Design Net
Mar 2, 2007 · Notably, that on a flat-bottomed boat there isn't any. You'll need to put a fair-sized skeg on the boat to re-gain some of the directional stabilty that would have been present with a V hull. Flat-bottomed boats tend to slam a lot and slide round corners a bit like a hovercraft. That's why so many boats have deadrise.
flat bottomed sail boat - Boat Design Net
Sep 2, 2005 · I'm told the Dutch used to use flat bottomed sail boats as barges in the canals and the North Sea. I'm wondering if any designs or versions of a flat bottomed sail boat exist. The cargo they carried acted as the ballast. Running aground or having the tide go out was not an issue with the flat bottom.
flat bottom hulls - Boat Design Net
Jan 15, 2010 · A flat bottom will be more affected by waves, in that it cannot rotate so easily as a rounded shape, it cannot act as independently from the shape of the waves compared to a round bottom. Say waves are coming from the side, a flat bottom boat will roll farther side to side and it will do it faster, and the change from rolling one way to the ...
Flat bottom skiff in parallel waves - Boat Design Net
Jun 22, 2017 · Boats with more heavily vee-d sections aft, especially with fuller sections forward, and with the shallower forefoot, are usually very broach resistant. Look at jet boats used in open water, the forefoot is not pronounced in the better ones, and even with moderate deadrise aft, track well enough despite having no keel or drive legs aft to ...