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Author Topic: Ducati engined café racer  (Read 4968 times)

Offline Blano

  • Posts: 9
Re: Ducati engined café racer
« Reply #30 on: Oct 30, 2017, 11:17:34 »
They won't last long at all, and if they're ABS the sun will eat them alive.  3D printers are for prototyping, not final products.  Something to design, get fit, then send off to a machine shop to produce.
Ahh that makes sense


Current build:

1979 Honda Cb650z cafe/brat

Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #31 on: Oct 30, 2017, 19:26:54 »
Im just trying differnt designs. Its amazing how strong the parts are.
At work we are using alot of 3d printed metal parts. Exhaust and turbo manifolds, brackets and lots more. But its still to expensive for series production.


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Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #32 on: Dec 12, 2017, 11:11:06 »
Trying to get some inspiration at ACE CAFE.
Having a beer before going back to Sweden.



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Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #33 on: Feb 28, 2018, 19:22:30 »
So I decided to ditch the honda cbr 600 wheels. The hub and the swing was just to wide and looked out of place.
I got hold of a KTM swingarm for $30, a really nice cast piece and really nice weldable aluminium so I'm going to cut it up, make it shorter and wider.
I got a OK price on a used pair of supermotard wheels from a VOR 503 together  with brake calipers front and rear. So now I need to make another jig for the swing arm.
Still working in the CAD with the frame. It's getting there slowly..

First pic. right length.
Second pic. KTM swingarm.
Last pic. KTM swingarm 150mm to long.

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Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #34 on: Mar 12, 2018, 09:38:30 »
Short update. Welding fixture is almost done. Started to cut up the KTM swingarm.
Trying out headlight height. Higher or lower?

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Offline doc_rot

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  • Posts: 1015
  • Oh the usual... I bowl, I drive around...
Re: Ducati engined café racer
« Reply #35 on: Mar 12, 2018, 16:02:27 »
this is turning out awesome. if that profile line is an approximation of the fuel tank i think the headlight looks good there.

Offline Thetoolman

  • Posts: 44
Re: Ducati engined café racer
« Reply #36 on: Mar 13, 2018, 02:39:45 »
This is turning out to be really cool! I agree, if that Is gonna be your tank I think it looks good there.

Offline farmer92

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  • Posts: 668
Re: Ducati engined café racer
« Reply #37 on: Mar 17, 2018, 08:44:54 »
looking good so far man.
what size tubing are you using for your frame?
also wondering if you ran some stress analysis on your cad design?
I've been trying to find a way to make a stronger lightweight frame for a spare engine as well, and the results have been very interesting.
Sometimes moving the ends of a couple tubes by an inch would reduce the stress by 30%.

can't wait to see where this ends up.

Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #38 on: Mar 17, 2018, 20:10:12 »
Thanks. Im using 25x1.5mm Docol R8 pipes. Its like CrMo but with better weld properties.
Yea I have done some calculations but im not there yet. Im still moving pipes around.
As you say, it amazing moving a joint just a couple of mm sometimes make a huge difference in stiffness.
Done some milling today.✌

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Offline HansS

  • Posts: 34
Re: Ducati engined café racer
« Reply #39 on: Mar 18, 2018, 20:01:00 »
Swingarm almost finished.

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