... I just noticed in the latest Seahorse that the Americas Cup rules have been changed to disallow heating the keel bulb to reduce resistance. Somebody out...
... <kevinhaddock@y...> ... Yep. That is Skip's boat, he can tell you more about it, but it was very impressive both in the pricetag and in how quickly he...
... wrote: Yep. That is Skip's boat, he can tell you more about it, but it was ... it, ... Kevin Looked at your boat, are those the new rudders ? How well do ...
... From: "Dave Howorth" <Dave.Howorth@...> ... That would be a bit different from what we were discussing, because the bulb would be hot and the water...
... was ... center ... They work great. They pivot about 15%-20% back from the leading edge. I'll take some pictures of how they kick up and so on next time...
... (perhaps not so bad in a small boat?) you might reduce some complexities. However, would the yard bend in the wrong way and mess up some sail shape? --Wade...
... to ... and ... stiffer yard ... complexities. ... shape? ... I don't know about bending the wrong way. But If I were to use my mast at a fixed center point...
G'day, I don't remember, so it cannot have been too difficult. Or else, I was so busy scuttling from end to end that I didn't notice what Peter was doing,...
A stationary, central mast screws up the shunt geometry. The heel of the yard would drag in the water as it passed amidships, unless you had a secondary...
... of the yard would drag in the water as it passed amidships, unless you had a secondary halyard to lift it during the shunt. It must be possible because...
... Yes, but bear in mind that ACDC was built to a (fun) rule. Cost did not include the mast, left over 12' X 2" alum. tube from sailing canoe experiment....
... edge. ... How about when their down, do you need constant tension on the tiller to keep them from moving side to side? Or once down are they hands free...
... I'm ... tiller ... With the Gibbons rig the ce is well aft, so the rudders have to produce a good bit of sideways vector to keep the boat going straight....
... G'day Kevin, did you experiment with 2 way (symetrical fore and aft) rudders at one time? If so, what problems did you strike? And a bit of a hypothetical...
Hi all, Anyone knows about Sidinox, 52 ft long proa, sailed across the Atlantic 1981? His best day's run was 350 miles. Pictures or drawigs? Designer, builder,...
... <K_S_ONeill@y...> ... leading ... time ... hands ... pressure. If ... the ... less ... performance, ... at ... one ... Nope. Rob did. I think he's gone...
Thanks for the reply, Kevin. I think I,m finally getting a a feeling for how this whole rocker/C ofE/CLR thing works (in my mind at least!). Another...
... wrote: They're balanced, but still have some tiller pressure. If ... Head up, due to the rudder being pushed over from the side load right? I was thinking...
... Lessee.... is that preheating with a blowtorch like the old "semi-diesel" marine engines? Is that some sort of electrochemical heating system embedded in...
Hi Rob ! Re the video on Peter Wittkopf's proa DELTRO: I just checked my video trashbin: The camera footage has been dubbed with the movie "Seven" ... ...
... least!). ... be ... boat ... I can steer the boat on any point of sail with only the aft rudder down. I guess the real question would be if keeping a...
... the ... Right. The boat without the rudder down heads up into the wind. The rudder pulls the aft end of the boat to windward. ... you ... centers ... ...
... From experience with the Mi6, 50% balanced rudders can work ok if they are linked together so that they turn in opposition to each other. When linked...
I recently took our 5m proa out into some fairly large swells and the crossbeams were clearly inadequate. (The design is built a bit too loosely on Gary...
... A pair of 3 by 2's (70mm x 45mm) of pine with a straight grain from your local timber dealer is a lot less work than laminating and should do the job. Gary...
... balanced ... I wasn't aware you had done that. That's very clever. Was the connection via a solid rod, or with cables? ... a ... was ... a ... time ... ...
... It is basically a rod system. The tiller extensions from each tiller are simply connected to a central yoke. There is a general arrangement drawing...
