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Old Dec 06, 2014, 10:41 PM
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United States, CT, Hartland
Joined Jul 2011
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Sketchup Model of a Cobra 4130 Outrunner

I decided that it would be worthwhile to invest some time learning a 3D CAD package. It goes without saying that there are tons of applications in designing/customizing RC models.

I have quite a bit of CAD experience in the (distant) past, but it has been over 20 years, and things have come a long way. Google's Sketchup was the obvious choice, given that is available for free.

I started building a model of a Cobra 4130 outrunner and ended up getting a bit carried away. If you are interested in using this component in any of your applications, you can download it from by blog site: http://blog.alsrcsite.com/2014/12/06...ketchup-model/
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Old Dec 07, 2014, 10:36 AM
The Junk Man
Jacksonville, Florida
Joined Jul 2006
1,678 Posts
Nice rendition. Another thing about your SketchUp version is that is easy to scale. All outrunner motors are structurally similar. Even if you do not have that exact motor you can scale it to one your size very easily.

Tom
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Old Dec 07, 2014, 11:19 AM
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United States, CT, Hartland
Joined Jul 2011
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Thanks Tom.

You are right that the basic shape can be scaled. You probably need to pull off the motor mount and the prop adapter shaft as these are not likely to scale proportionally to the rest of the model, but they are separate groups, so this is easy to do.
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