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Author Message   Jaimec Posted on Friday, June 13, 2008 - 01:14 pm:        You can have ONE of these: http://tinyurl.com/6jsqs9   Ducxl Posted on Friday, June 13, 2008 - 01:24 pm:        Really a waste of good material for a Harley clone. There was a manufacturer (ARC Fab?) making "Ti" frames for Ducati superbikes awhile back."Ti" for a sport bike seems more worthwhile. Cool on Ecosse anyway,good job   Jaimec Posted on Friday, June 13, 2008 - 01:33 pm:        Not many Harleys with that profile. MAYBE the discontinued Street Rod (but that was water cooled).   Rfischer Posted on Friday, June 13, 2008 - 01:37 pm:        Nothing new here.....back in the 70's Husqvarna was using Ti for their factory World Championship motocross bike frames. There's one and some parts on display at the factory museum in Jonkoping [Sweden].   Freezerburn Posted on Friday, June 13, 2008 - 01:39 pm:        The Ti frames have the strength of steel at 45% of the weight. However, they have the stiffness of cooked spaghetti (why downhill mountain bikes are not made from Ti). Wonder how they engineered some stiffness in that frame.   Rfischer Posted on Friday, June 13, 2008 - 02:46 pm:        Lots-0-trusses. And the main down-tubes were chrome-moly. Also, I think that they were looking for a bit of flex in certain parameters. I'll have to ask Arne Nilsson [a business associate], who was a factory rider and is the former president of Husqvarna USA. The Huskys of the day were noted for their lightness. I picked up a sub-frame on the display stand at the museum....don't think it weighed 1/2 lb. Arne just smiled and said, 'lots more of the stuff on those bikes..'. And picked the 250c.c. bike with one arm. He did allow that the 400's broke a lot of frames. And didn't go too straight when you whacked the throttle open...   Freezerburn Posted on Friday, June 13, 2008 - 02:57 pm:        I have a '77 Husky 250 CR and it is light as it is. It's a blast in the woods, save for the drum brakes.   Ferris_von_bueller Posted on Friday, June 13, 2008 - 04:18 pm:        Why not a carbon fiber frame?   Jaimec Posted on Friday, June 13, 2008 - 04:28 pm:        That would be the 2009 Ducati Desmosedici GP9...   Azxb9r Posted on Friday, June 13, 2008 - 04:30 pm:        Wonder how they engineered some stiffness in that frame. That would depend on the titanium alloy that they chose. While 3/2.5 titanium is a bit noodly, 6/4 titanium is very stiff. A little bit of creative tube shaping and gusseting, and you can get stiffness where you want it.

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