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Northern Pacific Railway 4" 5-Chime Whistle 3D Printer File Image 1

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Northern Pacific Railway 4" 5-Chime Whistle

May 3, 2026

Description Comments Tags

Description

WARNING: HIGH PRESSURE COMPRESSED AIR CAN CAUSE INJURY. USE APPROPRIATE PPE: HAND, EYE, AND EAR PROTECTION.

This steam whistle replica is designed to resonate with compressed air (Only been tested to 120psi). Do NOT use steam.

The inlet adapter is designed to fit a 1/2" NPT control valve. If a 1" NPT valve is available, the bowl inlet adapter is not necessary. Adjust the languid (bowl) plate centeredness and bell spacer gaps as necessary for optimal whistle resonance.

https://www.youtube.com/watch?v=dCrrUUhSmH0

License:

Creative Commons - Attribution - Non-Commercial - Share Alike

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