Super-Loud Compact Emergency Whistle

A revised version of the whistle that I designed to be compact, fast-and-easy to print, and super loud. Good for…
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updated May 2, 2024

Description

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A revised version of the whistle that I designed to be compact, fast-and-easy to print, and super loud. Good for sports and hiking, survival etc. Compact and handy, just 20 x 53 x 10 mm in size.

The two chambers of slightly different lengths produce dominantly 3093 Hz and 3234 Hz tones (when printed at 100% size). Combined, they produce a piercing whistle that pulsates at 141 Hz.

Best when printed in PLA and with 0.40mm nozzle. Do NOT use supports!

Recorded sample here: https://youtu.be/W5zsz5FST2w

If you like my work, you can support me tipping me through PayPal. Thanks! :)
 

Changes

2022-11-04 - Added "Whistle-blank.stl" which is the same whistle without the inscription on its bottom.

2021-01-09 - Slightly changed geometry producing a loud whistle with much less effort, also giving a cleaner sound. Slight decrease in size from 20 x 54 x 10 mm down to 20 x 53 x 10 mm. Frequencies changed from 3468 Hz and 3609 Hz to 3093 Hz and 3234 Hz (resulting envelope modulation remains 141 Hz).

Print Settings

Printer Brand:

Prusa

 

Printer: 

I3 MK3S

Rafts:

 

No

 

Supports: 

No

Resolution:

 

0.2

 

Infill: 

30%

 

Notes:

  • 0.40mm nozzle
  • If warping occurs, use a 3mm brim
  • NO SUPPORTS

 

 

 

Category: Sport & Outdoors

Tags



Model origin

The author marked this model as their own original creation. Imported from Thingiverse.

License