Hummingbirds around here (Cape Cod Mass USA) have a wingspan of nearly 4
inches (100 mm).  I know there are smaller species in other parts of the
world, but unless you have some giant bees, I would never mistake a hummer
for a bee!

Doug Butler
Sherpa Engineering


> -----Original Message-----
> From: pic microcontroller discussion list
> [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Peter L. Peres
> Sent: Thursday, June 27, 2002 2:43 PM
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: [EE]: Hummingbird trap
>
>
> On Thu, 27 Jun 2002, Alan Shinn wrote:
>
> >As others have mentioned, he can spring (or gravity) load the door and
> >then pull a pin etc. somehow.
> >As mentioned, using the current radio set, a solenoid (with a diode so
> >it only pulls on one of the two states) would work.
> >Also, Radio Shack has lots of RC toys that don't go at all till you push
> >a button or such so you can ditch the diode.
> >Also, as far as RC goes, there is a remote doorbell gizmo that even has
> >settable addresses etc - could be made to work.
> >Someone mentioned a wire to trigger the solenoid.
> >BUT, I have to wonder, why not just pull a string? (I know, I know, no
> >PIC! no electrons even!)
>
> How do you make a hummingbird that weighs 2 to 4 grams and hovers with its
> beak insied a flower without practically touching it pull a string. I
> think that if it flies into a spiderweb it crashes or gets stuck. These
> things are SMALL. Think slightly oversized bee when you think hummingbird.
>
> Peter
>
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