FP-68D Night Snake Compact dual cage FTW flywheel pistol foam blaster

thingiverse

Have you ever wanted to have a compact blaster capable of firing at 150 FPS? Well, here's your chance! This build should be relatively simple, though you might find the catch assembly a bit tricky. I encourage you to experiment with springs and print settings if you know what you're doing to create a blaster tailored to your needs. Grab your Snakethanhas here: https://www.thingiverse.com/thing:3890229 Feedback is highly appreciated, and though I might not be able to respond to everyone, I read everything. If you encounter any issues, I'll do my best to help. A complete blaster is available here: https://blogderrikksun.com/product/grass-snake/ Please note that selling the blaster without permission is against the law. If you're a seller interested in manufacturing Grass Snakes, please contact me directly. Tips are highly valued and would greatly assist me on future Nerf projects. Version history: 1.0 Initial release Hardware list: - A standard Omron-sized microswitch - Motors of choice (Honeybadgers seem to offer the best performance, but Fangs are a bit more reliable) - FTW, Nightowl, or Cabanossi flywheels (I've yet to test with the latter) - Wiring and a battery plug of choice - Some M2.5x10 screws or their imperial equivalent, preferably countersunk (you might need to shorten the one that fixes the trigger to the trigger link) - 12 Motor screws (the extra screws are for grip panels) - A couple of approximately 5mm long and no more than 5mm in diameter compression springs for each catch (pen springs work well; you might want a somewhat looser spring for the Katana catch due to its setup; I encourage experimentation with this, as both harder and softer springs will have their own advantages) - An extension spring or two (I use one or two 0.4x4mm springs for the trigger; there shouldn't be much resistance in the return stroke of the trigger, but a bit more force never hurts; you can experiment here as well) Print settings: Parts are NOT oriented for printing Best results with Cura slicer; otherwise, I can't guarantee good tolerances Layer height: 0.24 or lower Perimeters: 3 or more (no reason for more than 5) Supports: Preferably use tree supports and if not, don't forget to place the supports everywhere, not only directly above build plate Print speed: 60mm/s works best but that will depend on your setup as well Add some LEDs in the front cavity if desired Assembly: 1. Assemble the cage by inserting and screwing in the motors; use 3-4mm long motor screws 2. Add the flywheels and ensure they're aligned nicely, taking into account motor shaft looseness when doing it 3. Wire up the cage with the switch (inverted); you can do that while everything is in the frame or outside of it 4. Secure the cage with two screws and the switch with a single screw on the left side of the blaster 5. Add the cover and secure it with screws; try to test fire at this point 6. Insert the iron sights into the dove tail slot 7. Close off the blaster with the battery by putting on the slide (frame top), slotting in the tip, securing it with a pin, and snapping on the detent in the back 8. Screw on the grip panels with motor screws; ensure they don't grind on the magazine otherwise you'll need to trim them a little 9. Enjoy!