This thing adds a hump to the original battery bay lid of the Max Thrust Riot, also known in some countries as the ArtTech Devil. This will allow the fitting of a 4S LiPo in the bay, with the safety of still having a bay lid. I have tested with a Turnigy NanoTech 2200mAh 4S, and it works a treat (see last photo). However, it would be worth adding some material to the front of the bay to stop the battery sliding forwards.
The new part is designed to clip on to the existing bay after you have cut away some material. The clips are more for alignment and ease of fitting; I have added material to the 4 edges to allow some CA glue to be used for a permanent fixture.
The part weighs 2 grams. The material removed from the original bay lid also weighed 2 grams.
EDIT: This is also the same air-frame as the new Horizon Hobby Aire-Batix 1.4m
I printed this on my Prusa i3 Mk1 in PLA. My settings were:
Material: 1.74 mm
Layer height: 0.20
Minimum infill gap: 0.5mm
Bed temp: 50 C (60 C first layer)
Nozzle temp: 205 C (215 C first layer)
Speed: 40mm/s (60% first layer)
Removing the support wasn't fun. I'm new to 3D printing, so you guys may have better luck. If I had dual material with the option of using dissolvable supports, it would have been worth the money with this thing.
My support settings were:
Support only from the build plate
Pillar resolution: 4.00mm
Max overhang angle: 50 degrees
Support infill percentage: 30%
Dense layers: 0
Horizontal offest from part: 1.5mm
The images show the process for fitting the bay extension:
Mark out the cut lines on the battery bay lid. Leave some material on the outer holes.
Cut lid along the lines, I used a Dremel with a circular saw tool. Then grind down the gap between the outer holes and ensure there are no sharp edges.
Smooth off any sharp edges left inside the bay lid.
- Fit the bay lid extension. Its up to you whether or not you choose to fix it with CA glue, but I would recommend using it; I feel the extension piece would come off during flight without CA.
Marked cut lines
Tray cut out
Sand down all sharp edges
Designed in Autodesk Fusion 360