Dual tube whistle
Description
I Wanted A Decent Small Loud Whistle I Could Print And Give Out To People Where I Work. I Downloaded Several Whistles And Printed Them But Could Not Find One That Worked Reliably. So I Decided To Make My Own. I Started With A Small Metal Whistle That I Have Carried For Years, And Tweaked The Design Until I Got Something That Is Loud And, At Least On My Rostock Max V2, Prints Reliably. One Of My Goals Was A Reasonably Fast Print. At First I Had To Print At 0.1 Mm To Get A Good Whistle, But I Found By Slowing The Print Speed Down Just A Little (35 Mm/Sec) I Could Print This At 0.2 Mm And Get A Good Working Whistle, With A Print Time Of Around 35 Minutes. I Mostly Use Pla But If You Get Strings You Have To Clean Them Out Or The Whistle Won'T Work Well. I Found That A Medium Size Nylon Cable Tie Makes A Good Tool For Cleaning Out The Fipple (That'S The Name For The Slot In The Whistle That Channels The Air Into The Notch - Fun Word, Eh?). The Internal Tubes Are 41 And 40 Mm In Length; This Determines The Tones And The Difference Sets The Whistle'S Beat Or Warble. My Son Byron Added The Name "Super Sonic". I Hope This Prints For You As Well As It Does For Me, And That You Find It Useful. Remember, If You Are Heading Into The Back Country, Please Carry A Whistle! Update 06/08/16: Added A New Version. Thingiverse Member Qrome Designed A Nearly Identical Whistle, And I Liked The Wedge Shaped Fipple In His Whistle. I Wanted To See If I Could Figure Out How To Do That In Freecad. I Discovered A Cool Trick For Doing This, Message Me If You'Re Interested In How It'S Done. This Version Is Very Loud!!!
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