Thanks you for your replies, I am not well versed in the right terminology- I should have said centre of buoyancy. However it may be better to...
Good evening, I would like to know if there is a way of determining the degree of performance advantage from changing the vertical COG on a 4 ton...
Thanks for your help, I built it in carbon
Unfortunately I managed to break the bronze P strut off at the hull, possibly 40 years of electric mice nibbling away, now I need to replace it....
Thanks for your responses, its a pretty straightforward job and because there have been a number of successful conversions then cant see too many...
Many thanks for you replies, here's an example. [ATTACH]
I crawled all over several conversions and it appeared to be foam and 19mm thick, another was done by making a mould and going the solid laminate...
I have 1 1980’s 34ft yacht that I intend to convert from a closed cockpit to a walk through transom. This has been done very successfully multiple...
Yes you are right but practical experience in spade rudders over a long period of time here in NZ has shown that hollow tubes are prone to...
Reporting back the bad news is that I am now making a new spade rudder! The previous rudder had a hollow shaft with a reinforcing insert, outer...
It comes from lateral movement, i.e. perpendicular to the shaft axis. Compounding the confusion is that when travelling at 7kts under motor the...
Modern spade with a foil that has a slight hollow aft section, well built out of a mould. The symptom is one that I have become aware of, not...