If you get good fit up with minimal gaps that helps make a good strong joint. I slip pipes through the joint with one pipe in the vice and bend the other pipe if the tube fails but the join remains intact you have a successful joint. With 3 or more tube make sure the centrelines meet at the same poi...

Never welded magnesium but it is 1/3 the density of aluminium so drop through from too much heat is always a chance.

How do you work out what will work for a certain model of bike? the engine and the rpm you want peak power at, the rest is the laws of gas dynamics, which is like the piano accordian, ie if you know about gas dynamics your obliged NOT to talk about it. :lol: I love your lingo...petrol heads...I wil...

Still building bikes?

The only thing I know about yachts is they are a big hole in the water you throw money into :D I do know a bit about motorcycle frames and the best in the business design frames to "bend like a tree in the wind" (make that a mast then :lol: ) one trick used is when a big thick piece of mat...

The metal is the easy bit making the templates is the tricky bit, I make a 3D template from cardboard (and sticky tape) so I can check clearence of kick starts and fairings. I don't have any pics of that but just imagine the pipe in cardboard

Cheers here are a few random pics http://i155.photobucket.com/albums/s297/Lozza85_2007/002.jpg http://i155.photobucket.com/albums/s297/Lozza85_2007/CD6-1161.jpg http://i155.photobucket.com/albums/s297/Lozza85_2007/002-2.jpg Segments were laser cut with these pipes, the seam fit was so good it was ac...

Hello from Australia.

Everyone calls me Lozza, I mainly weld motorcycle exhausts (2 stroke expansion chambers) for fun and a hobby. I will be looking to improve my aluminum welding as I don't do enough of it. Also want to get a good internal purging set up to do Ti.
Cheers