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  #1  
Old 03-27-2019, 11:23 PM
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AX-O AX-O is offline
 
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Default Roll your own Mag cover
I am getting ready to build a motor and wanted to step up in class during the portions of the build where catastrophic FOD inside the motor could occur.

Specifically the portion where I put a piece of cardboard where the mags and other accessories go.

So since I have been designing things on Solidworks for the plane, figured I could give this a try. The studs on the case are too long. I will fix that later. This is just a trial fit. I rounded the edges on the cover so I could easily grab it with my fingers to remove it. I also re-enforce the area with a flange in case it got smacked, it did not fall apart. The part is strong like bull.

Designed cover on Solidworks


Code transferred to Simplify 3D


Printing


Finished parts



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Axel
RV-4 fastback thread and Pics
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The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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  #2  
Old 03-27-2019, 11:53 PM
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G-force G-force is offline
 
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Nice. If the printer had the vertical capacity, why not build up tubes around the studs so you could simply use a nut to secure? Or are you saying those studs are not right for you final assembly anyway and have to come out reguardless.
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  #3  
Old 03-28-2019, 07:52 AM
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Studs are not right. They came set up for mags with the 2 inch spacer. I will be using pmags so the studs are way shorter.
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Axel
RV-4 fastback thread and Pics
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The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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  #4  
Old 03-28-2019, 12:52 PM
Timberwolf Timberwolf is offline
 
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Nice job for a temporary cover...just wanted to stress the importance this is for a temporary thing and not to be left on for actually running the engine
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  #5  
Old 03-28-2019, 01:03 PM
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Quote:
Originally Posted by Timberwolf View Post
PLA? Not worth risking a $30K engine with a 10 cent part. 3D Printers have their place, but not in this application..... even if that was made of nylone
I think you missed the point. This is a cover to be only used during construction. Not operation.
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Axel
RV-4 fastback thread and Pics
VAF 2020 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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  #6  
Old 03-28-2019, 01:06 PM
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Ironflight Ironflight is offline
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So much nice than the ones I hacked out of some old sheet metal I found behind the workbench Axel...nice job!
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  #7  
Old 03-28-2019, 01:26 PM
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bhassel bhassel is offline
 
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I'm curious, how long did it take to print those?

Bob
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  #8  
Old 03-28-2019, 01:50 PM
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Quote:
Originally Posted by bhassel View Post
I'm curious, how long did it take to print those?

Bob
I think about 35 minutes or so for 1. certainly not fast.
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Axel
RV-4 fastback thread and Pics
VAF 2020 paid VAF 704
The information that I post is just that; information and my own personal experiences. You need to weight out the pros and cons and make up your own mind/decisions. The pictures posted may not show the final stage or configuration. Build at your own risk.
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  #9  
Old 03-28-2019, 05:25 PM
BMC_Dave BMC_Dave is offline
 
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Heh, not too long ago printing those would have been prohibitively expensive. Amazing how this technology has progressed.
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