Date: Mon, 12 May 1997 15:13:53 -0700
From: Steve Axtell <steve-AT-axtell.com>
Subject: Re: Tawana's Puppet


Team

Yep,  More precise measurements are

4.125" diameter of each eye cut out
6.125" distance between center of eyes.

Over all distance from outside of eye holes approx  - 10-3/8"

My painted Book eyes have the pupils slightly crossed for cuteness and
focus, but if you are going to move them left and right I would center it
exactly.  

 Also remember that this is a sculptured piece and does not have exactness
anywhere on it.  I'm an artist not an engineer.  The eyeholes are slightly
out of round I suppose and things may be asymetrical. But it will work. 

I'd suggest that you wait to get the puppet before getting to deep into your
fixtures.  It could be difficult if there is a communication problem now, if
you build everything in advance. 

Ax





 At 05:12 PM 5/12/97 +0100, you wrote:
>Missive to the team....
>
>Colin and Joe
>I really hadn't planned on such a role. I certainly didn't want 
>to usurp Colin in any way. However, I am willing to take on the
>task.
>
>Steve,
>The math on the eyes doesn't work. About 3/8" is missing somewhere.
>
>	4.125" (diameter of one eye = radius of each eye)
>      + 2.000" (distance between eyes)
>	------
>	6.125" (computed distance to centers)
>      - 6.500" (measured distance to centers)
>        ------
>	0.375" (difference)
>
>I'm going to start on the eye unit assuming the 6.5" 
>measure to be correct but, I would appreciate it, Steve, if
>you could check the numbers. I hope the missing 3/8"
>are between the eyes.
>
>I plan on trimming the eye orbs to just what I need
>to cover movement. Ditto the eyelids. ( yes, the eyelids
>will be working) Eyelids and eyes will be spring loaded 
>(very light spring) to a) keep the eyelids open in the 
>absence of a servo or servo signal and b) keep the eyes 
>centered in the same condition.
>
>Steve is correct about the large pupils. From the 
>pictures it looks like a maximum of about +/- 15 deg
>travel for the eyes. 
>
>The next stop for the puppet, I think, is Joel's shop for
>box fabrication. Then it comes to me for eye and mouth 
>mechanism and mounting bracket. I'll also cook up a shipping/ 
>travel container. Then it's off to Joe for electronic integration.
>
>Joel, Steve
>You guys need to get together on shipping arrangements.
>
>Joe,
>We can work the servos two different ways. Either I can install
>them or make provision for them so that you can. I plan on testing
>the mechanics without servos and don't really need them at this
>end. (could be nice but not neccesary). If you do it, I just need
>dimensional data and throw distance.
>
>Tawana and the rest of the real dream team,
>Looks like we are going to be entering that phase of the project
>where funding enters in. I'm not concerned with the odd hardware
>for the mechanical linkages but, we will soon need the servos and
>transmitter as well as the jaw tracker (if that is still in the plan).
>Someone needs to set up to take donations, possibly through a 
>church to humor the IRS. 
>
>Everyone,
>Don't stop praying about this project. Pray for those of us whose
>hands and minds God is using. Pray for Tawana that she may find the
>best way to use the puppet. Pray for God's leading in the funding
>needed and how you might help. And, most important, give thanks for
>what He has done and will yet do in this project.
>
>Now where did I put that screwdriver....
>
>Mark Wilson
>
>
>
>--
>To signoff, send a message to maillist-AT-oac.u-net.com with signoff christpup
>in the subject line.  Please do not send signoff requests direct to this
>list.
>
>
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