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Re: 11th specimen of Archaeopteryx

Ah, I see. Yes, that's a nice simple approach to the problem.  Pretty amusing.

Higher density does change the wing loading threshold, but the effect is 
greater in insects (especially rapid flappers like bees) than in other flyers, 
so your model system was particularly well chosen.


--Mike H

Sent from my iPhone

On Oct 28, 2011, at 5:47 PM, "Don Ohmes" <d_ohmes@yahoo.com> wrote:

> On 10/28/2011 4:20 PM, Habib, Michael wrote:
>> Very cool experiments!  The results would seem to validate the expectations 
>> from insect flight theory (specifically wing inertia effects on muscle 
>> recoil) that Robert Dudley and others suggested some time ago.  That's 
>> awesome.  Were those results ever published?
> No -- we're just talking used (plastic) Pepsi bottles, some valve stems, 
> a 12v tire pump and some bees that were eating my house. Not that I 
> really mind about the house. I just wanted to verify quickly/cheaply 
> that increased density makes higher wingloading flyable in flapping 
> fliers. Circa '96-ish...
> Heh. Replication would be tricky, unless someone buys me another 
> refrigerator so I can cool them down. Although ice works.
> Ah, the simple life...