Pattern Making and CAD, need advice


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Joe
Joe
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Cool, i hope we got some pics along the build Wink

 



 


    A $1000 electronic device will always protect a 10 cents fuse
Bonobo
Bonobo
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http://img525.imageshack.us/img525/1734/39492849.jpg

New Plan!
Bonobo
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Now I've worked out to use google sketchup, here is the part as I would like it to look.
I'll use section profiles to cut templates on the laser cutter out of acrylic, 50mm modelling foam between the profile templates can now be cut with a hot wire. 
I plan to put the foam profile blocks together on the actual bootlid and then apply a surface coat of epoxy mixed with glass microballoons.
Once cured the plug should be rigid, stable and ready for finishing.

I'm hoping this method will work, but I'll let you know how it goes as I make progress.

Any suggestions / advice are welcome!!!
Joe
Joe
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Nice to see things going forward. Keep us posted Wink

 



 


    A $1000 electronic device will always protect a 10 cents fuse
AndrisBB
AndrisBB
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You can always use some Linux alternatives. For example CAELinux, its based on Ubuntu and have full package off CAD, CAM and simulation software(you can simulate how your spoiler will behave in real use, pressures, where is weak points etc). Also its aviable as LiveDVD so you do nbot need to install it to try.
Bonobo
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Profile Template laser cut from acrylic



Modelling foam hotwire cut to template



Testpiece of 3 blocks with surface coat added and sanded, think i'll give this another light coat with a brush then sand smoother before polishing.

i'm using epoxy resin with 20% microballoons and 5% silica
Carbon Tuner
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Wow, I need to get into this.. I am just starting to dream of parts I make on my own not just replaces or copies. I am dreading cutting all this foam.

 

I think I will have to do it the old fashioned way for a while before I can afford a laser cutter. and some way to enter in shapes as well. I saw that little arm thing but not sure what it is lol.



If Brute Force Isn''''t working your not using enough...
Bonobo
Bonobo
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Things are moving along now, covered the bootlid in bagging film and mixed up some resin with glass microballoons

and silica, i used this to put my foam pieces in place on the bootlid.

once cured i'll put a surface coat over the whole spoiler.

when this has cured there will be plenty of final shaping and sanding before the next stage of taking a mould from it.
Joe
Joe
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Thats cool ! Cant wait to see the results. Good luck !

 



 


    A $1000 electronic device will always protect a 10 cents fuse
Bonobo
Bonobo
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Surface coat on and cured, sanding now to get the shape right, and nice and smooth, sanding down the high spots and finding low spots that will need more filler, this is slow and dusty but i'm getting there.

i should really change the thread title as it's now a build?
GO

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