That's fine Luigi, the inclusion of the approximately 50 * 50 timber at each of the corners makes a big difference. The longitudinal tension and...
'Suggestions are welcome' but since you are already chopping up the timber perhaps its a bit late now, still I did wonder if you had considered...
I think it is fairly unlikely that those screws have nuts on them, but it is possible that they go into tapped holes in internal stainless steel...
I assume that you are asking about navigation marks, not ordinary mooring bouys? At one point during the 1980's I was briefly employed (only a...
Having the centreboard slightly protruding from the bottom of the hull may help avoid the board getting jammed wth small stones. At least, the...
Looking at the video, if this were a sailing catamaran I would think that the bridge deck clearance is on the low side. Can power catamarans...
So what do you think of this one? http://www.maricuda.co.uk/the-challenge/the-boat/
good to hear that the four main pivot joints between the crossbeams and hulls are 'rock solid' because the strength of this design depends on that...
Not even if the crew accidentally moves to the wrong position in the boat, or is forced to do so for some reason? - or if there are big waves and...
I thought gas fired fridges were not safe or feasible on monohulls, probably not on trimarans either, just possibly ok on catamarans. But I do...
I don't think the weight of water in a hotwater storage tank should influence the choice of instantaneous hot water heating as opposed to a...
The duoetto 12v 10 litre electric water heater sounds quite interesting to me, but the distributor is an Australian company and a quick internet...
I dont like to be too negative about something that has been generously offered FOC but I have to agree with others here that this design seems to...
Leaving hydrofoils aside for a moment, I think there is a lower limit to the weight you would choose to make a sailing boat for optimum...
I found the paper on block friction, its by Martin Schoon, this is a link: http://hem.bredband.net/b262106/Boat/Blockfriction.pdf I quote...
I think I have seen published results of an experiment that showed that a large part of the friction in a pulley system is friction between the...
Some years ago I attended a lecture given by the yacht designer David Thomas. Someone asked this question and he replied that a 30foot grp yacht...
