TimeOut

Bullroarers are an airofoil attached to a long cord and swung around the head to produce a pulsating sound with a frequency typically around 80Hz. They can be used as musical instruments or to signal over long distances. The speed of the oscillations vari...  

Thank you, Andrew! I wonder where I could find such unusual information if not on this phenomenal community... I'd really like to be as good as you on introducing rarities and other interesting things. Ciao! Elio

Thanks for your encouraging words, Elio. The best thing about TO is being able to share interests and ideas outside of the usual horology continuum. I would love to see all PuristS sharing their other interests because if we apply the same passion to ever... 

Interesting piece. I wonder if there are certain woods they used for this and how much it affects the sound. -MW

.... sizes and weights and different degrees of 'twist' to change the aerodynamics. This example is in mulga wood and is approximately 25cm long, but they can be up to 90cm long and have even been made in stone. I suspect these would change the quality of... 

Bullroarer. Didn't know that one until now... Thanks for sharing. Also didn't know about human hair rope. Very informative and I like the soundtrack! Thanks Andrew!

Or 'The Oils' as we usually call them, were a superb alternative rock band that emerged from Sydney in the 1970's. They were always strong supporters of aboriginal and environmental issues and their lyrics reflected this. The lead singer, Peter Garrett, w...