I am getting interrested in building a wooden International 505.
So i would like to know if there is any Plans, or know how out there. Everyrything has interrest especially the hull plans, because i think i have to build a mold first (to lay strips with epoxy in).
Also i could be interrested in somehow similar boats, you know a high performance boat with a good place to sit, with trapeze, well handling, and relative easy to sail (compared with 49Žer ect.).
It should be atleast 5m i should be able to sail it alone, but perform best with 2, and be able to take 3.
I hope someone has something to email me as a pressent or a small cash amount (it is designed in 53 so no copyright right?) because i donŽt think there is anything on the web, but maybe i am wrong!
Thanks in adwance
Best Regards, Michel
The 505 is an international one design and the hull shape is (understandably) strictly controlled to insure fairness.
My understanding is these are the only manufactures of this boat:
Fairey Marine Ltd
Clark Boat Company
Parker Yachts (UK)
Aubin (Chantier Aubin)
La Prairie (FRANCE)
Honnor Marine Ltd.
Gmach & Co. Ltd. (J. L. Gmach & Co.)
Current boats are carbon fiber composites, but the rules permit any material.
This link is a PDF of the hull's measurements and lines. If you want to compete with your home built 505, then it must match these specifications.
The best thing you can do is get in contact with the class association (> http://www.int505.org/ <) and see what you can do.
The Fairly Marine built wooden hulls were "hot molded", which is outside the ability of a novice or back yard builder.
The advice given by PAR is excellent,the 505 association will be able to help you and you should be allowed to build a boat and it can be registered as a 505 if it conforms to the specification.The list of builders may be of historic interest,but from a British viewpoint,is far from correct.Fairey Marine ceased building boats in the sixties,Parkers built their last 505 in the mid eighties,Honnor Marine and Gmach closed down quite a few years ago and hadn't built 505's in a while.Rondar and Mader are definitely still in the business but the other companies he mentions I have no knowledge of.
I doubt that strip building with epoxy will work as well as cold moulding,feel free to prove me wrong.
For other boats, consider;
Australian Sharpie; a lightweight (90kg for a 20' hull) but long-lasting ply or sandwich version of the German 12 Sq M Sharpie with spinnaker, bermudan rig and trapeze. Overall speed basically identical to a 505. Three man crew but can be sailed by two.
The UK Merlin-Rocket class was built in plywood clinker planking (although like the Sharpie it's now normally composite). Fourteen feet long, about as fast as a 470 without a trapeze. A restricted class of high performance despite modest rig size and lack of a trapeze.
Closer to a 49er is the New Zealand Javelin, formerly a ply boat now built in composites. The class association would have access to plans for ply construction. 14 feet long, with a medium-size rig, assymetric spinnaker and trapeze. Not the quickest boat in light winds but a screamer in a breeze, overall pretty much as quick as a 505 despite being shorter.
NS14; very small rig (about 9m sq) no spinnaker or trapeze but very fast and efficient; similar to a 470 in speed. However, like the Javelin and Merlin it's a development class so to build in ply you would have to get an older and slower design.
Osprey. Uk competitor to the 505. Similar in speed and dimensions, but arguably more seaworthy. Can be built in clinker ply.http://www.ospreysailing.org.uk/
Good replys guys
It is a good idea to get in touch with the association, but i think after all it is a bad idea because of the hot moulding (was't aware of that).
I realy like the Australian Sharpie, and the Osprey, maybe i will make one of these...
Have anyone an idea of how the flying dutchman was buil in marine ply?
Hot moulding is not essential,Malcolm Goodwin built some very good cold moulded 505's.The Osprey used to be limited to licensed builders,but that may have changed.The Flying Dutchman has been cold moulded in the past but I think that currently people prefer to buy the epoxy/glass Mader built boats.
I think the flying dutchman might be a better avenue to pursue with what you are trying to do and I'm pretty sure plans are available.
Wooden 505 - International 505
here are some pictures of my wooden 505 project in progress. >>> www.okaycompany.de
I am quite involved with the international 505 class association in technical terms. Maybe I can help in case of questions.
Enjoy both - building and sailing ...
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