Subject: linear actuator feedback position sensor?
From: Rotary Engine
Date: 6/5/2011, 5:21 PM
To: AAA Put this in the To box



Google  "Programmable servo actuator". (Click on  images) A servo is the
best
way to go. I think.

Tony

What image Tony?

Paul Lamar

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So that might work for the flap handle (with preselect and motion
indicator)
itself? Feedback motion from flap motor position sensor? There are two
remote
components to this--one senses flap position at the motor drive; the
other is
the preselect and indicator mechanism.
Marc


Use any servo you wish, just connect a potentiometer to give position
feedback and a simple comparator circuit to control a motor driver.
The attached schematic shows a pot for position selection, a rotary
switch with fixed resistors would also work.

Victor Roberts

Hi,

In the December 1997 edition of Kitplanes, there is a circuit by Mike
Palmer, to
build a pushbutton flap control system. By heart it uses a quad op amp to
control the flap settings. I don't like the pushbutton setup so I'm
planning to
use a rotary switch instead (I just love rotaries). Haven't got it on my
breadboard yet but I'm planning on starting in the next few weeks.

Pierre Swanepoel
South Africa
-- 

Ok I noticed that no one had pointed out one of the companies around
that do sell linear actuators, so based on that here is a link to the
company, I have used and they do linear actuators with feedback built
in.  I have used a couple of there products,  cost is ok.

http://www.firgelliauto.com/default.php?cPath=109

Hope this is what others are using I cetainly have to for a few things
they work for me anyway.

Regards David


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