Completed hydraulic system for catamaran rudders. Few typo errors in above picture now corrected Peer review needed, any criticisms / opinions...
[ATTACH] The autopilot hydraulics need to be incorporated This suggests a hydraulic linkage solution - with a separate Dyneema cable from each...
Hi Phil Ooops the website is rubbish, no one is supposed to see it yet, haven't had time to tidy it up. I used one of those design team outfits...
Hi Catsketcher What does 50% IIRC mean? Did you have to glass over the cedar. Good term "energised"! Thanks for the strap idea but I've already...
New years resolution: build the Archimedes 60 rudder and helm system. The twin wheels are on opposite sides of the bulkhead wall aft of the...
Russell your experience with the glass and wood spar is reassuring. Did it take 35 + knots ok? Garry, yes it is D shaped and the mainsail is...
This thread was suggested by another member - I hope it will be helpful and interesting INTRODUCTION We built a 20 metre long wing mast using...
Thanks you Russell The data sheet for Pro-Set indicates it is a Gougeon Brothers product - their distributor here is looking for it - seems like...
Thank you all very much for your interest in my project and your valuable advice. 1. Mr Efficiency - you are right, unpredictable expansion...
Recently I made two carbon fibre dagger boards for this catamaran I am building. The method used was wet layup carbon and epoxy into female forms...
Hi Doug Clarke Y - I should have explained - I used the upper surface and mirrored this about the chord line - so the section is symmetrical -...
Hi DIY Scientist I am building such a mast - see the picture in my last post about mast prebend
You're absolutely right Gonzo - what was I thinking - must be breathing too much hot epoxy. If the sail outline were projected onto a vertical...
I would be very grateful for your advice about a 20 m wing mast I am building for my catamaran. The question is will I put some pre-bend into it...
In a couple of weeks I am going to start building a wing mast for my 18m catamaran. You learned gentlemen have a lot more experience than I have...
Helm balance spreadsheet Some valuable insights, thanks all, but I'm beginning to think the intuitions and rules of thumb are not applicable to a...
A place for everything Hi Richard It seems like my questioning is giving the wrong impression. The dagger board cases are indeed built into...
CLR and shallow forebody Thanks for your comments Richard. Your scenario of side slipping shallow bows sounds scarey. Oh well, too late now, the...
Does a heeled cat want to turn down wind? Thanks for your prompt response and kind remarks DennisRB. The boat is not finished yet, that's why...
Good discussion all. I am building a cruising cat of my own design, a Rhino picture is attached. Related to the changing wetted surface and...
