Recent content by Ian_Edwards

This is a very well known bit of physics, but often difficult to solve. Vortex Induced Vibration (VIB) happens when the frequency of the vortex shedding matches the natural frequency of the mast. There are 3 ways of stopping it. Stop the vortexes locking on. A vortex produces a low pressure area...

I dispatched my NavTec backstay tensioner to Allspars to get the seals replaced. Parcelforce have lost it somewhere in there system. I sent it 24 Express and I can track it to a sorting hub where it was scanned. The trail goes dead from there. Whist I try and sort the insurance out, I'm looking...

Thanks for the update. As you know the tides are strong in that area, wonder where they plan to moor the fish cages.

Has anyone been to Sanda Island this year, since Mowi acquired it? I'm considering as a stopover on my way around The Mull. I've anchored there before, but the last owner was hostile to visitor. For my experience fish farms just make a mess of the place with abandoned equipment, fork lift...

I have a Force 10 cooker from 2007. It could be about the same age as your. It uses the same single spade terminal. I bought 3 from: www.penguineng.com Penguin Engineering Ltd Unit 3 Hayling Billy Business Centre Furniss Way Station Road Hayling Island Hants PO11 OED In November 2024. Not...

Without reading through the 2022 post you found. Because it fails in idle, after a few seconds, I sounds like time out problem, not an overload problem. Our windlass doesn't time out, but our Lewmar bow thruster does after about 5min. The problem could be in the latch which holds the switch on...

Windlass's normally have a thermal cutout, designed to trip quite slowly, so the windlass doesn't trip every time you stall it. My guess is that it's a combined switch and thermal fuse, usually rated at around 200 amps, for perhaps about 5 seconds (that's a guess). Does it trip in operation, ie...

Assuming that Selva sell at a lower price point than the yamaha equivalent. I'd asking how and what have cut or downgraded, to reduce the price, and does that make a difference? Commercially it doesn't make sense to introduce a direct competitor to your headline product, at a lower price, unless...

Does your saw have tungsten carbide tips? Is it new and sharp? Providing it can be held firmly and you keep the boom at 90deg to the blade, it should work. But if it was me, I'd use a hacksaw, as advised above. I think that there is less chance of making a mess of it.

Quote "Looking at some boats this week. I've been on a Dufour 40 and I wouldn't say it was IKEAish, well certainly not compared to modern Sun Odyssey/Oceanis" My coment was more about the construction method. The bunk sides had tendons machined with curved edges. The mortis in the bunk base was...

I have lots, I can't remember how many. That's because I use both the Caledonian and Crinan canal. Coming alongside I normally use 4 large ones, around mid ships. But if it's blowing old boots I extra fore and aft. Full fender set for going through the Crinan Canal last October. Same on the...

Hi, I have an old Karcher B502 pressure washer. It at least 17 years old, it was bought in the day of my Parker 275, when I kept the boat in Stonehaven. There's no commercial yard there, so 3 of us coordinating our annual launch and recovery. It hasn't had much use, so it's in very good...

I had a Dufour 40 for about 5 years, not the performance version but the shallow keel option (which might be quite useful in the Bahamas). I never had any problems with the mast or deck gear, but the production sails didn't last long. I sailed the boat quite hard, up and down the West coast of...

There must be many Mercury/Mariner 2.5's around, and I've not see any other reports of engine oil getting into the Carb'. So it's either something that you are doing differently or a fault with your unit. If the engine is running OK, then it's unlikely oil is getting in via the piston rings or...

Boatcraft at Clyde Marina (Ardrossan) They seem be replacing and repairing rudders all the time. But they are always busy.