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Dragoon motor mount and firewall jig - 30mm — image 1
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Dragoon motor mount and firewall jig - 30mm

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Designed for 7 inch props and motors weighing under 80 grams.

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Model information

License
Creative Commons — Public Domain

Slicer settings: Top  layers - 3

                           Bottom layers - 3

                           Infill - 20%

                           Wall lines - 2

                           Infill pattern - Grid

 

Uses four #4-40 x 5/16 bolts/blind nuts and 2 servo mounting screws.  Use a ½ square stick (preferably balsa) along with a 42mm x 42mm x 1/8 plywood firewall.  Cut the stick flush with the bottom of the mount after the firewall is glued to the stick.  The motor mount spacing holes in the jig are 24mm, 30mm and 34mm on center.  Best suited for motors weighing under 80 grams and up to a 7 inch prop.

The idea is that in the event of an impact, the sacrificial printed mount will break instead of any of the wooden pieces.  Happy hunting.