Aim of the challenge
Zombies have taken over the Pi Wars Tower! It is up to you to rid the building of the "differently mortal".
Shoot all the zombies in the Tower and save the inhabitants. The targets will be at a number of different levels and you must use projectiles as your "anti-zombie device" to knock them over.
What a fun challenge!
Always wanted to hack an automated shooting turret, so this is the perfect opportunity to do so. It’s still a bit unknown how the exact challenge will look like, but somehow we need to shoot the undead…
The arena
Targets:
- Targets will be no smaller than a standard playing card 62mm wide by 88mm length
Shooting rounds:
- 3 rounds
- every round 5 shots
- 5 minutes maximum
Shooting methods
Using nerf darts was unanimously chosen as our favorite way of shooting projectiles. But what options do you have for shooting nerf darts?
Watching previous versions of Pi-Wars and doing some research on internet, we identified three different ways of shooting nerf darts:
Although assuming compressed air might be the best option, creating compressed air is not the most easy one to accomplish. There are also ways for shooting with the pre-tensioned springs. But might be less optimal than spinning motors. So spinning motors will be our favorite way.
Proof of Concept (POC1)
| After some tinkering, a first proof of pudding was created. It is a mobile shooting device, which has 2 spinners and a trigger mechanism and 3d printed 5-darts-magazine. It shoots quite far, at least over 15 meters, which is not really needed. |  |
User acceptance test
Okay, our little secret is our test team. Here we did a shooting test, shooting darts in the garden. It was an obvious hit!
First shooting series
First performance test
Without going into too much detail today, first impressions of precision seem hopeful…
There are (ofcourse) still some minor issues to be solved, which might be a subject in another post.
To be continued…
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