File puptcrit/puptcrit.0606, message 494


To: <puptcrit-AT-lists.driftline.org>
Date: Tue, 27 Jun 2006 07:38:51 +1000
Subject: Re: [Puptcrit] Eye Mechanics update


I dont know about the cost of springs in Canada but I use a method suggested 
by Mike Brose with a spring connecting each eye ball to a common lever which 
can be operated in any direction allowed by the axles holding the eye ball. 
result: 100% return to zero..... Cost for springs and common lever (piece of 
10mm sq. pine) about 50 cents US..... available from any hardware/hobby 
shop.

----- Original Message ----- 
From: "Les Lamborn" <llamborn-AT-rbc.org>
To: <puptcrit-AT-lists.driftline.org>
Sent: Tuesday, June 27, 2006 4:18 AM
Subject: Re: [Puptcrit] Eye Mechanics update




Mathieu
  I seem to re-call a puppet company in Chicago Coleman puppets or some 
group which did a workshop on making your own springs.  They used piano 
wire, I don't know any more about the wire than that.  They made a gig which 
had a few nails strategically placed to tighten the wire as it was wound 
around a hand crank which was made out of quarter inch hard steel with a 
hole drilled in it to accept the piano wire to begin the winding process. 
Here is a web site which may help with rigging the self-centering eyes: 
http://www.alstevens.com/ventriloquism/onefinger.html and 
http://www.alstevens.com/ventriloquism/fred.html There are many variations 
on the mechanics.
  Les

-----Original Message-----
From: puptcrit-bounces-AT-lists.driftline.org 
[mailto:puptcrit-bounces-AT-lists.driftline.org] On Behalf Of Mathieu René
Sent: Monday, June 26, 2006 8:03 AM
To: puptcrit-AT-lists.driftline.org
Subject: [Puptcrit] Eye Mechanics update

I have no access to small subtle springs, so I am wondering how to make the 
eyes stay at middle position. Right now, the default position is when the 
eyes look up, because of the weight of the eyepiece(which is two eyes 
attached to a thin board).
 I tried using a small square of sponge around the trigger, to act as a 360 
degree spring, but it was not firm enough, and anyway, it would get damaged 
pretty quick and be too bulky. The other way was to make the eyes tigher 
against the orbits, but friction will eventually make them loose again.

An elastic cord? but where would I attach it? The obvious spot would be 
between the eyes, but I need to make it relatively easy to replace. Right 
now, the system has to be separated for me to modify each part (trigger made 
of stiff wire, nail as a pivot, the eye piece, and the eye's axis (which 
will be glued to the head's thickness).
I wish I knew how to install the self-centering system around the area of 
the trigger, so that I can fiddle with it when I want to.



 Any suggestions, please?
Thanks!

And yes, I will post a few pictures (on my blog) when I have one of the 
current version of the mechanic. The one picture I have is from several 
hours ago, a different approach.







Mathieu René Créaturiste
Marionnettes, Masques, Etcetera...
Puppets, Masks, Etcetera...
www.creaturiste.com
creaturiste-AT-magma.ca
(514) 274-8027
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