SOR for "TURBULENCE 2" Main hull LOA =39ft, LWL =38ft BOA =6ft 5ins BWL =6ft Tc =20ins Beam with floats extended = 23ft Floats LOA =35ft LWL...
I never get annoyed with people who are trying to help me. My project has evolved from trying to design a Catamaran to rival Richard Woods designs...
Tansl My copy of chapples book is on kindle which is part of the reason for my mistakes. I appreciate your replies to my posts which may often...
Yes and I was still doing it wrong, I can only blame my eyesight pressing wrong calculator buttons and believing what it tells me. Double checking...
Thank you LP. I hesitate to tell anyone they are wrong, so here is what I know. The formula I was using was (D^2 - d^2/4)^.5 instead of ((D^2 -...
I'm sure everyone will reassure me that a hollow mast is stronger than a solid one for similar reasons that a Grp sandwich creates an I beam and...
I don't know much about Glass cloth I thought plain weave E glass was bi-axial and the stuff Gerr intended for use in " the nature of boats" mik
John Teal says 12mm ply in his example was 1.8 or 11667Mpa. I guess you could specify good quallity Marine ply and it would be good enough.mik.
Cloth would be 10oz plain weave plus 4oz plain weave in E glass. mik
I had difficulty in getting metric figures I could make sence of, my figures are in 10^6lbf/in^2. Normally I can handle metric ok. 7.57 *...
I tried to check youngs modulus for plywood and found 1.08. Applying earlier formula to Richard Woods Romany it could be made with 7.57mm solid...
These calcs are a bit silly. First you calc the rpm at the prop and what diameter prop that engine can swing.
If 1 rpm gave 1kt of speed 1.4/ 1^.57 gives 1.4% slip. 1 - slip = 98.6% efficiency If you could have that efficiency at 1rpm I reccon you could...
Obviously the problem is I don't know the ballast ratio for a 74. I checked in my library no result. I found the values for a typical 32gun...
I ordered the book, got it for ~£10 inc postage. I have done loads of calculations which prove to me if I want a catamaran I would buy it from...
Cemeteries are full of those who did not turn to the gun when they should have.mik
Yes gonzo I have been accused of talking nonsence before. But surely It is not difficult to make it known your intentions are peacefull. Wave...
If an unknown vessel approaches you IT PROBABLY IS A PIRATE. I watched a few videos of pirate being dealt with by various navies. None of them...
Looking at my book "The wooden fighting ship" I thought I would compare the AVS of a Napoleonic English 74 with a modern yacht 1600 tons 46ft beam...
I don't see the problem with making war on pirates and Par I think you have it wrong, innocent fishermen would not approach your boat. IF THEY...
