draconic chronicler, on 18 November 2009 - 01:29 PM, said:
There is only ONE connection rays have to cryptozoology. It is true that small rays were modified with other animal parts and stuffed in Medieval times and sold to the gullible as 'baby dragons', just as narwhale horns were sold as unicorn horns.
Also note that a ray's design would mean that it has the same aerodynamic advantages as a bat when hovering for example Science Daily
Quote
Spedding said. “We have suspected for a while that insects weren’t the only creatures
affected by highly unsteady viscous air flows, but now we know that larger animals
adapted for slow and hovering flight, such as these nectar-feeding bats, can – and
perhaps must – use LEVs to enhance flight performance.
Simplified representation of the strong vortices associated with the unsteady
aerodynamics of bat flight at slow speeds. The vortices can be thought of as
causing the surrounding air to rotate rapidly around them, and this motion
around the LEV on top of the wing increases the lift force on it. Just like familiar,
fixed-wing planes, the bat also leaves tip vortices in its wake, but the overall
flow is further modified by the start vortices created at the
beginning of the downstroke.
(Credit: Image courtesy of University of Southern California)
The article: http://www.scienceda....0229135215.htm
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This post has been edited by Smugfish: 18 November 2009 - 02:15 PM
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