People looking to acquire new skills in a very traditional craft will be interested to know that a unique course on boat design is now available in Shannon. The Academy negotiates good discounts on the highest quality timber and fixings and fittings; it is therefore possible to make significant savings over the normal cost of building a new boat. At the end of each course, December for the March course and June for September groups, the boats are walked in procession down to the sea and launched (with ceremony) into Lyme Regis harbour. Friends, relatives, students, staff and the town gather to celebrate the end of the course and cheer each boat as it goes into the water. The course was funded by the Transport Trust, the national charity established to promote and encourage the preservation and restoration of Britain’s unique transport heritage in all its forms, National Historic Ships and Lyme Regis Gig Club.
Archial Architects, working with commercial property consultants Vickery Holman, propose a striking new modern building for the club, which has outgrown its existing building. Located in Cornwall at the entrance to Mylor Creek, Mylor Yacht Harbour offers a modern and spacious marina with 400 spaces afloat on finger berths and swinging moorings.
The architects have created a first floor structure that is much smaller than the ground floor but expanded the open terrace that enjoys panoramic views over the harbour.
Originally the most westerly Naval Dockyard and victualling station in England, then home to HMS Ganges and the Packet ships and centre for the French Resistance during the Second World War, Mylor is now home to the last fleet of Oystermen under sail. Use the free weather tool for sailors offering real-time high resolution data in a six day forecast. With a 99 year lease and planning permission we can now start raising the money to refurbish and extend our clubhouse.
The full plans will be available here soon but if you would like to find out more in the meantime please contact us. NB: River Status is only a guide and may be out of date - senior members and coaches are responsible for assessing risk before boating. See that your machine OCV (open curcuit voltage) is on par or higher than the requirement of the CO2 welding wire manufacture spec.
Another trick welding aluminium is to remove all oxidation on the alu where you want to weld with sandpaper or file before welding it. From experience I have found that it is easier to push the weld rather than pulling it as an arc weld.
Originally Posted by Wynand N Another trick welding aluminium is to remove all oxidation on the alu where you want to weld with sandpaper or file before welding it.
Location: Wasilla Alaska One of my Sign guy customers just bought the Lincoln your talking about getting. Location: Western Australia For what it is worth, I will throw in my opinion here as well.

The 260 amp machine was big enough, but on a couple of the heavier welds I had it on maximum settings.
It sounds as though some of the people writing in this thread are learning alloy welding as they go. If you are making MIG welds without this sort of testing you are risking wasting a large quantity of expensive alloy. Location: Western Australia Yes, I designed it specifically to give good performance between 5 and 15 knots, as I have a place on a river area where there is a lot of concern about wake damage. I have just towed the boat 500 miles north to a place called Shark Bay and it towed very well at 50 to 60 mph.
It is not perfect, as the broad quarters are inclined to lift in a following sea and some active steering input is required in long seas. When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. If we can reach our target of ?500,000, thousands more people will be able to enjoy rowing for sport, fitness and fun over the next century.
Lucie, FL New to welding Aluminum I was on earlier about MIG machines and you all warned me against buying a cheap machine.
Because of the torch nozzle size, it is easier to see where you are welding and it produce a better looking weld. You can remove the closed-pore oxidation (old and foggy), and it would be replaced by an open-pore oxide layer (new and shiny).
I have built several steel and wooden vessels over the last 20 years but designed and built my first alloy (28 feet) boat two years ago. This was when welding 5mm plate to 10mm flat bar for the chine weld and 28mm round bar to 5mm plate on the stem. Helium mixtures are better for high penetration in thicker material and being lighter are also better for overhead welding. It should be degreased and sanded clean of all old mill scale before assembly and it should also be wire brushed with a clean stainless steel wire brush immediately before welding. The spool gun might be OK, but if I had used one, I would have to build the boat differently, beacuse I don't think I could have got the bulkier unit into all the places I did.
Lucie, FL Thanks for that; I am going to take a MIG course in the next semester. It is not very efficient above 20 knots, as it causes a lot of turbulence as the water tries to follow the twist or warp in the hull. The mark 2 version that I am just finishing the desig for, will hopefully fix this problem.

I bought the heaviest single phase (240 volt) machine available, which was a 260 amp machine with push feed on a 10 foot stinger. The oxide on alloy melts at a much higher termperature than the metal and if you do not get rid of it it will sit in the weld in flakes and weaken the weld. Although this style is not my forte, I know what it takes in the design, developing, and construction aspects, to get a finished aluminum boat to look this nice. I have held off on this particular welder because I am still unsure of it's ability to handle the stock I generally use. I appreciate the offer of the spool guns but I had better hold off until I settle on something for a powerhead. The suppliers all looked very doubtfull that this was a big enough machine for what I wanted, but I did not want to go for a 440 volt three pahse machine, as this would limit its resale value. Because MIG is a semi-automatic process, machine settings and weld procedures are critical.
With new plate material you can get away with just the wire brush but with weathered plate and all extrusions you have to sand or grind the mill scale off.
Top speed empty has been around 15 knots and she cruises very comfortably in any sea conditions at 13 to 14 knots at about 10 to 12 litres per hour consumption. Most boats in Western Australia are designed to go 40 miles offshore and come back the same day.
Now, what will hurt your weld is oil, dirt, the white residue that is left during oxidation, etc.
If you make a bad weld in alloy, you will not know until it fails, which could be catastrophic. Though my goals are much more modest and my welding will be mainly in fabrication on trailers and other gear.
If I were commercial I wound not hesitate but as a hobbyist I think my wife might think about murder.
In a MIG welding course, you are taught what causes a wedl to be rejected for visual faults and whwn you are making welds that pass visual inspection you are taught how to cut the weld test piece up and acid etch it to see just how good it is inside. Just a note that the Lincoln 175 turns out to be a lower end model built for the mass market and the price jumped to $617 so I bought a new Hobart Handler 180 from Airgas. If this worlks, you note down all the machine settings in a procedure and use then settings next time you make this kind of weld.

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