Nice going John! I think perhaps Nels is referring to Bolger's outboard powered Skimmer, and how the shoes on the bottom have sufficient area to support it on...
Graeme, Thank you for you comments. Following are some comments addressing your, question/comment…"I don't know why you got such a level ride though... if...
Yes, and Yes! BUT! First - shallow water is "harder" than deeper water - due to the "ground effect" factor. There is more resistance to downward water pressure...
Nels, FYI, the draft at rest of the 4' wide by 14' hull deducting the bow rocker calculates to be about 1.75 inches with my weight aboard. The transition from...
Hi John Wright, I followed with interest your development of roller reefing for a lug sail. Now that you've thought up the perfect, simple system will you...
Shallows and wave effects. Guys, this is sorta what I was on about: go to http://www.hullform.com/ then in the sidebar "Links"/ then "Some Hullform-Related...
Graeme, You have an amazing talent for finding, and remembering and cataloging information. I just wish they had said more than just "The condition where this...
Reed, Try this Duckworks Mag. article and u-tube. Read and watch several times. http://www.duckworksmagazine.com/08/howto/pdx/index.htm This is basically a...
A question here--I always thought a sailboat hull must sweep up aft to insure the transom is out of the water to reduce drag. John Wright's design does not...
Hi John, Thanks. In looking at the pictures....is the threaded rod just one piece bent to line up with the end of the boom? How do you attach the turning...
That's correct. Especially if it is also a shallow draft planing hull. Nels ... insure the transom is out of the water to reduce drag. John Wright's design...
Reed, I could try to make up some clever excuse to cover that I have changed my mind.....again. I did figure out how to make the other roller work but I like...
Stan, I worried about this very question a long time and decided if I were wrong it would be easier to rebuild it with some "sweep" rather than to take it out....
John, gee mate, your positivity not only shines but literally charges one up! Yes, I think that is either where it begins, or becomes noticeable. Displacement...
Graeme, Thanks. I have never been accused of that..ha FYI, All of my ideas theory and design is based on empirical data, When I was 12 (1952) my father built...
<< I wonder if this effect was much harnessed in PB&F's recent large, <<fast, landing craft commissions for the US Navy? Well. Let's see landing craft...
... One allthread piece comes out of the end of the boom then makes two 90 deg. bends. That is threaded into a "coupling". This coupling joint is loose and...
Hello all, I have recently completed my Piccup Pram and am about to go off for my first sail. This has been by far the fastest build of all my boats, I started...
My impression is - based on a design Graeme mentioned - the Bolger Skimmer, the sharper the back edge of the transom the better. In fact on the Skimmer the...
Nels, As I mentioned earlier, I considered adding 2" rocker to the after two feet. But decided not to and would do it later if necessary. I also thought that...
Stan, I am, not sure that I understand transom drag? Is it indicated by the water behind the transom being dragged along at the speed of the boat? Or, is it...
John Wright said " My assumption is that it must be some kind of turbulence caused by the square or even too blunt transom rise?" I agree, I think people...
I looked at the video. To me, it seems like the boat is beginning to plane, which goes along with the title "big wind day". I think that turbulence is a pretty...
Arthur, I enjoy looking at ideas from people who "think outside the box"! Your jinker/trolly idea looks great. I guess it just locks in there on the transom...
... Thanks for the comments Brent, I first used this idea when I built the Sherpa but I bolted the wheels on. I have a lot of old boating magazines and the...
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