[HH] Mystery signal from a helicopter

[Jon Evans]

*girl


On Mon, Feb 3, 2014 at 12:13 PM, Greg London <email at greglondon.com> wrote:

>
> > Most helicopters used by news organizations ...
> > Depending on whether they are semi-rigit or fully
> > articulated, each blade has its own independent angle of attack,.
>
> Most news helicopters are Bell Jet Rangers with 2 rotor blades.
> As far as I know, any helicopter with 2 rotor blades is rigid.
>
> > I have seen helicopters go into vibration on the
> > ground and destroy themselves.
>
> I've only seen video. It was an older Hiller "killer" model
> (a la "M.A.S.H.") with 3 rotor blades.
>
> I've got a chunk of time on a Robbie.
> Someday, I'll splurge and get an hour or two on something
> with a turbine. If I win the lottery, jetpack.
>
> As for the article, interesting way to pack data in to the audio.
> I wouldn't have been able to reverse engineer it the way the
> guy writing the article did.
>
> Greg
>
>
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