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TINTIN'' i building a TITAN 21'6'' aluminium tug at sydney AUSTRALIA
my trade is a pressure vessel welder and boats constructor alloys
i will suggest to look at KEMPI MINIARC ADAPTIVE 180 in automatic mode
it will be more easy to control the weld on aluminium plus the weight
total 9,8kg +2,5kg filler wire up to 5mm alu 0r 6mm with prep

regards CARLOS

Thanks Carlos - $2100,00 pretty expensive - have you ever tried the dhc 2000? I have done the coded welder for pressure vessel coarse - I have one now and its okay - I have a WIA 175 and the tech guys are seeing if it is compatable with a push pull Binzl gun - $2200.00. Cheers for ur input going to check out what style of boat ur building. Im in West Aus, See you.

tintin glad you have the advice from the people AT TEC
the picture from my 21' ALLOY SEA design from BODEN BOATS sydney
attachment this it's my 2second alloy constrution
at this moment i building the design from ken ANTIKINSON OF G L MARINE
TUG BOAT 21' 6'' 5mm bottom x3mm side 5083 grade plate aluminium.


cheers CARLOS

Cool boat Carlos - a lot of work Inote the sizes what would your thoughts be to construct a boat of 2.5 mm bottom plate, 2 mm sides and top - really difficult to weld with mig (have tried) now in the process of using the DHC 2000 - which as long as there is limited gaps welds fine. With your background do you think 2mm bottom plating with 40 x 25 x 2.0 mm framing and c channel for the longitudinal stringers 12 x 20 x 2.5 would fair - the C channel shape re3ally well. Cheers Gavin

hi
you have to calculate hydrostatic for wooden boat and al boat and
see the results?

Hello Naserrishehri, Where would you get that information from to evaluate the results? Cheers for the response I am building a Crackerbox and are well underway with the fabrication of the frames - all is progressing as would expect - 2 steps forward 1 step backwards.. I will google hydrostatics and see how I go. Regards Gavin