HI PAR Thanks for that note, as I am restoring an old 70's boat where the drains went to the same side thru-hull as the seacock, and wondered...
Thanks for the reminder, I was aware, and accordingly, I sealed the remaining gap with silicone and rigging tape...
OK, I will take a picture when installed which won't be till the spring after this thread has expired, so all me to explain; The deck is a...
Michael, the boat does not have such a tie, but there are hooked plates at the partners which accomplish the same thing. What lifts are then the...
Converting to Deck Step I have a rating certificate and will have to study it to see where the RM (I presume you mean Righting Moment) is....
Thanks for that thought. My latest is that I noticed at my commercial boatyard that a fellow has a permanent tent set up where presumably he pays...
I just noticed a previous post but it has expired, so let me expand. My situation is a bit different from that one and here is why I want to...
Didi 38/40 Cr My first encounter with the 38 was in Woodenboat magazine and I fell in love with her immediately. My only problem at the time was...
I can see welding on the very top, which indicates a hollow shaft. But I will take some pictures in the next few days and have them analysed to...
Thanks Eric for the detailed analysis, wow, there is a lot to this. One of your comments at the end caught my eye and I thought it might be worth...
Eric, Having received advice from you in the past, and having drawn Phil into the discussion about building something for us to replace that...
Not entirely related, but another thing some airfoils have either retrofitted, or designed in place are what is known as a Vortex generator, which...
Foil Generation Programme Daiquiri, Thanks for this, it appears to work just fine. Not being a big AUTOCAD user, I was wondering if it has a...
One last thing, I have been using Mr. Ginsberg's NAC4GEN software for DOS and tried to upgrade to the version which allowed one to generate a DXF...
By way of further clarification, this boat had 2 iterations, the "offshore" variety of which 20-30 were built with a slightly (4") shorter keel...
I have decided on the following plan and want to hear if this makes sense. Based on the fact that the rudder was/is in basically sound shape and...
If the attachment made it through, you can actually see the exisitng keel and rudder from a 3D LIDAR scan. The question of what I plan to do,...
Exisiting If the attachment made it through, you can actually see the exisitng keel and rudder from a 3D LIDAR scan. The question of what I...
Measure 2x Cut Once So, after all your informative messages.which re-ignited my fascination with the art and science of aero-hydrodynamics, I...
Preferable Rudder 0012 or 0015? Now that leaves the question to 0015 or 0012 for the foil and given that, what should the aspect ratio be? 4:1...
