[simpits-tech] phidgits + Building Gauges

[Marv De Beque]

Futaba
-- 


> From: Matt Bailey <mattb@rtccom.net>
> Reply-To: simpits-tech@simpits.org
> Date: Mon, 28 Oct 2002 19:49:15 -0500
> To: simpits-tech@simpits.org
> Subject: Re: [simpits-tech] phidgits + Building Gauges
> 
> What servos do you use?
> 
> -Matt Bailey
> 
> Marv De Beque wrote:
>> 
>> Servos are very fast.  At least in the gauges I make.  I would estimate I
>> can make a 360 rotation in about 1/4 second.
>> 
>> Additionally, there are optical encoders that have a 360 degree span and at
>> least a 1 degree resolution.  Adding additional encoders can expand that
>> resolution.  This would allow the use of DC motors to make very rapid
>> changes in rotation and to very precise positions.
>> --
>> 
>>> From: "Rod Dale" <rodd@castle.net.au>
>>> Reply-To: simpits-tech@simpits.org
>>> Date: Mon, 28 Oct 2002 14:56:11 -0800
>>> To: <simpits-tech@simpits.org>
>>> Subject: Re: [simpits-tech] phidgits + Building Gauges
>>> 
>>> No problem with the servos. These are used to drive needles that require
>>> less
>>> than 360 degrees travel. Most aircraft gauges like this , ie airspeed ind &
>>> RPM etc don't need to travel as fast as the altimeter. So servos work well
>>> in
>>> that situation.
>>> Rod
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