Eternity F5J Ballast Box v2
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Eternity ballast box
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
This ballast box is sized to hold 8 brass ballast slugs and 8 wooden spacers used for the Eternity F5J glider by Bohuslav Majerčík.
Print the lid, box and latch in PLA or PETG - I've used both, and then print the gasket in TPU. The hinge and latch bolts are 35mm M3 bolts with a nut loctited on. Inside each box is a lid of 2mm EVA foam ( https://amzn.to/48fHQmW ), and a small 1cm edge of the same foam around the inside of the bottom. This stops the ballast from rattling and holds it firmly.
Load the .3mf as a project. Use the eye icon to print first the lid, bottom and latch, hiding the gasket, then hide those and unhide the gasket and print that in TPU.