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Bell Mouth Intake [message #3462] Fri, 20 March 2009 21:42 UTC Go to next message
avatar oopsclunkthud  is currently offline oopsclunkthud
Messages: 23
Registered: January 2009
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Junior Member
Working on a tuned intake for a 250cc scooter engine. I have a good idea of how long it should be but wanted the option to try out different lengths to find the best results. The adaptor and bell mouth fit onto a length of aluminum tubing for testing.

I didn't design in any clearance (or interference) and found that giving the printed part a quick dunk in some hot water expanded them enough to slip over the end of the pipe. After it cools the parts are pretty much one. Another quick dunk is enough to disassemble them.

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Re: Bell Mouth Intake [message #3478 is a reply to message #3462 ] Mon, 23 March 2009 13:28 UTC Go to previous messageGo to next message
avatar RalphVdB  is currently offline RalphVdB
Messages: 318
Registered: July 2008
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Hi Cool

I like the idea! But, does it actually work?

Cheers, Ralph


Shapeways International Customer Service Manager
Re: Bell Mouth Intake [message #3480 is a reply to message #3478 ] Mon, 23 March 2009 15:22 UTC Go to previous messageGo to next message
avatar oopsclunkthud  is currently offline oopsclunkthud
Messages: 23
Registered: January 2009
Go to my shop
Junior Member
haven't had a chance to get it on a dyno yet. I'll be trying 6 lengths in 10mm increments. If it does work I'll redesign the bell mouth and tubing as a single integrated part.
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Re: Bell Mouth Intake [message #3834 is a reply to message #3480 ] Tue, 07 April 2009 14:15 UTC Go to previous message
avatar RalphVdB  is currently offline RalphVdB
Messages: 318
Registered: July 2008
Go to my shop
Senior Member
I work here
Hi oopsclunkthud,

keep me informed though!


Shapeways International Customer Service Manager

 
   
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