5 horns all with unique notes come together to make an amazing train horn sound.
No extra parts needed, everything is 3D printed including valves and trumpets.
I have incorporated a threaded cap to retain the valve insert, this can also allow the horn to be tuned.
The horns are a push in fit and don't require any glue.
Notes:- PLEASE READ BEFORE PRINTING AND ASSEMBLY
Please don't over tighten the caps as this will close of the valve.
Insert the horns gently to avoid cracking the outer tube.
The horns are printed using vase mode so will have to be printed individually.
Take care when removing the valve insert from the build plate as they are fragile.(only 1 layer thick)
I have had the most success printing the valves on a smooth build plate.
Test and tune each horn before final assembly onto the main distributor.
I have found the best way to tune is to leave the cap loose and while blowing into the individual horn, slowly tighten the cap until a satisfactory note is heard.
I hope you have as much fun with your Train Horn as I did creating and designing it.
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