Mailing List lml@lancaironline.net Message #55159
From: Valin & Allyson Thorn <thorn@starflight.aero>
Sender: <marv@lancaironline.net>
Subject: Legacy Trim Tab Servo Speed Control
Date: Sun, 23 May 2010 23:52:58 -0400
To: <lml@lancaironline.net>

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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