Mailing List lml@lancaironline.net Message #55163
From: mikeeasley <mikeeasley@aol.com>
Sender: <marv@lancaironline.net>
Subject: Re: [LML] Legacy Trim Tab Servo Speed Control
Date: Mon, 24 May 2010 08:08:18 -0400
To: <lml@lancaironline.net>
Valin,
 
I have the Safety Trim in my ES.  You can calibrate the airspeed switch to whatever airspeed you want and adjust the trim speed for the high and low airspeeds.  It works great.  I run the trim at full speed in the white arc, and about half speed above that.  I don't have to tap the trim hat switch in cruise and I have the fast trim when I'm in the pattern.  I don't know of any product that is continuously variable.  The Safety Trim also has a couple other features that are nice to have.
 
Mike Easley
Colorado Springs
 
 
 
In a message dated 05/23/10 21:53:33 Mountain Daylight Time, thorn@starflight.aero writes:

Hey Legacy gang,

 

Could I get recommendations on the best way to set up the Ray Allen trim tab servos in the Legacy so that they have the right sensitivity throughout the range of flight speeds?  I know from 99L that at cruise speeds without a speed control rheostat to slow the tabs down that they’re too sensitive – slightest tap on the switch causes a “bump”.

 

Ttcwtech.com has a $49 speed switch that they sell that can be used to set a speed where the sensitivity changes – up to 145 kts.  Is it good enough to have a speed control rheostat cut in to slow the tabs down once the gear and flaps are up?  Or, has anyone found a rheostat that’s directly driven by the airspeed so that the sensitivity is always in proportion to flight speed?  Other ideas?

 

Thanks,

 

Valin Thorn

Eternal Legacy project

Houston, Texas USA

 

 

 
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