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                           AeroElectric-List Digest Archive
                                      ---
                     Total Messages Posted Mon 12/19/16: 2
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Today's Message Index:
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     1. 07:02 AM - Re: Trim position sensor  (user9253)
     2. 10:44 AM - Re: Re: Trim position indicator  (Robert L. Nuckolls, III)
 
 
 
________________________________  Message 1  _____________________________________


Time: 07:02:23 AM PST US
Subject: AeroElectric-List: Re: Trim position sensor
From: "user9253" <fransew@gmail.com>


Install another bellcrank with its lower end attached to the outboard end of one
of the springs.  Connect a Ray Allen position sensor to the new bellcrank at
a point that matches the travel requirements.
Or drive the new bellcrank with a Ray Allen servo (with built-in sensor and limit
switches).  Replace the existing motor drive gear with an idler gear.

--------
Joe Gores


Read this topic online here:

http://forums.matronics.com/viewtopic.php?p=464177#464177


________________________________  Message 2  _____________________________________


Time: 10:44:22 AM PST US
From: "Robert L. Nuckolls, III" <nuckolls.bob@aeroelectric.com>
Subject: Re: AeroElectric-List: Re: Trim position indicator

At 06:58 PM 12/18/2016, you wrote:
>
>Another builder informed me that the Ray Allen servo pot is 5K ohm.
>Unverified.

   The value of the pot is very non-critical . . . 1 to 10K would
   work . . . it's simply a voltage divider that is biased up
   with a 5v source from your EFIS system.

   You'll want a MULTI turn pot that will accept more
   rotation than what results from full-stroke motion
   of the cog-belt against the add-on pulley. Here's
   a likely candidate . . .

http://tinyurl.com/gn4rs23


   for a 10-turn device to which you can add the pulley
   and bracketry to make the installation.


   Bob . . . 

 

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