PSN-L Email List Message
Subject: Re: Folded Pendulum Pictures
From: Pete Rowe ptrowe@.........
Date: Sun, 29 Jul 2007 13:22:11 -0700 (PDT)
Wow! Ted this is really nice work.
Keep us posted on your progress.
--- tchannel1@............ wrote:
> I am new at posting pictures on Picasa. I posted
> these, but I reduced their size first...Maybe I
> should not have made them so small. visit
> http://picasaweb.google.com/tchannel33 If they are
> too small, don't hesitate to email me and I will
> send you better ones. I also have more pictures,
> with greater details.
> The posting just show the idea.
> I first made the Normal pendulum straight, not like
> a "C", and made the inverted Pend. Like a "C". This
> made it Left side heavy, it worked but this C+C
> worked better.
> Chris pointed out I could have made both of them
> straight, and in the long run I should have. I have
> a design for a straignt approach to both
> pendulums............. But this worked.
> You can't see in the picture, but the hinges are two
> pieces of .018" brass music wire.
> That's two pieces on each of the 4 hinges= 8 total
> wires. 1/4" exposed wire, 2" behind the plates. 1"
> top 1" bottom.
> Plexiglas to cover the front.
> If you have questions or want some good pictures,
> just ask.
> Thanks, Ted
Looking for a deal? Find great prices on flights and hotels with Yahoo! FareChase.
Public Seismic Network Mailing List (PSN-L)
[ Top ]
[ Back ]
[ Home Page ]