Unusual notches on very old boomerang - Ethnographic Arms & Armour

9th January 2018, 07:11 PM

#10

Ian

Vikingsword Staff

Join Date: Dec 2004

Location: The Aussie Bush

Posts: 4,395

Quote:

Originally Posted by Roland_M

I just compared the boomerang to a one bladed fan with an axial impeller. Now I`m unsure.

...

Roland

Hi Roland:

Yes, I think a rotating projectile is likely different from a stationary fan. Both the axial and linear speeds are probably important, but my college physics is a long time ago.

Ian.

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