MS380 (Comically Large MS190)
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This is a double sized MS190 siren! Uses a 775 DC motor
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Model information
- Source
- Printables
- Category
- Electronics
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Rotor is a very tight press fit. If you can't get it on, you can try reaming the hole out with a 3/16" drill bit to loosen it up.
This is the intended motor for this siren
https://www.amazon.com/dp/B08DG2KXZB
No buck converter required. This is a 12/24V DC siren. 12V runs it lower but it still is loud and sounds nice. 24V runs it at a speed that is closer to a real MS190! You need a decently strong power supply. I use 400 watt switching power supplies for these motors.
Hardware:
6x M4x10 machine screws
2x M4 nylon insert lock nuts (stand hinge)
3x M3x8 machine screws
You can use longer or shorter screws, these are just what I recommend.
2x M4x8.1 threaded insertshttps://www.amazon.com/dp/B07YSV66Y5?th=1
3x M3x5.7 threaded inserts https://www.amazon.com/dp/B0F2ZBN1K9?th=1