REFLECTOR: Elevator Trim Spring

Scott Derrick scott at tnstaafl.net
Mon Jan 30 10:57:24 CST 2006


Ron,

how is that different in the final result  from putting a shim block 
between the spring and where it attaches to the actuator as I did?

Scott

Ron Brown wrote:
> Morning John,
>
> No, lets try again.
>
> The objective is to move the actuator forward a bit which provides 
> more up (elevator down) trim.  (That is if you have a problem with not 
> enough "up" trim when in cruise configuration, only one person in 
> front seats.  This solution allowed me to not only cruise without 
> pushing forward on the stick, but also to trim for a 500 fpm descent 
> with a slight reduction in power).
>
> To move the actuator forward, you will need to cut the canard attach 
> bracket so that the hole is gone.  Now drill a new hole that is 1/4" 
> to 3/8" forward of where the old hole was.
>
> By the way, the bracket shown in the new on-line manual is different 
> from my 1999 kit.  The new bracket (Long Bracket VAB-02) shown on page 
> 10-8 of the online manuals is shorter than mine.  What ever bracket 
> you have, the objective is to move the forward part of the actuator 
> about 3/8" toward the nose of the plane.
>
> Ronnie Brown
>
> ----- Original Message ----- From: <aminetech at bluefrog.com>
> To: <reflector at tvbf.org>
> Sent: Sunday, January 29, 2006 10:03 PM
> Subject: Re: REFLECTOR: Elevator Trim Spring
>
>
>> Ok.  Let's see if I got this.  You're talking about the bracket that
>> attached the actuator
>> to the canard?  And you shortened the bracket so you could move it aft?
>> And then
>> you drilled a new hole in to bracket and attached to the old aft hole in
>> the canard?
>> Did you drill a new forward hole in the canard for the other bolt?  
>> How am
>> I doing?
>>
>> John
>>
>> Ron Brown wrote:
>>
>>  John,
>>
>>  I had the same problem with my 173.
>>
>>  I cut the trim actuator front mounting bracket off at the front of 
>> the old
>>  bolt hole.
>>
>>  Then I drilled a new hole about 1/4" or 3/8" ahead of the old hole.
>> Problem
>>  fixed, and I still have plenty of up trim for take off.  Easy fix.
>>
>>  Ronnie
>>
>>  ----- Original Message -----
>>  From: "John Dibble" <aminetech at bluefrog.com>
>>  To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
>>  Sent: Sunday, January 29, 2006 3:11 PM
>>  Subject: REFLECTOR: Elevator Trim Spring
>>
>>  > Flying solo, I run out of down trim at 155 IAS.  On the other hand I
>>  > have plenty of up trim for TOL.  Can I make a wedge shim where the
>>  > spring attaches to the elevator tube to shift the adjustment range to
>>  > more down and less up, or do I simply have to add more glass to the
>>  > spring to make it stiffer?
>>  >
>>  > John
>>  >
>>  > _______________________________________________
>>  > To change your email address, visit
>>  > http://www.tvbf.org/mailman/listinfo/reflector
>>  >
>>  > Visit the gallery!  www.tvbf.org/gallery
>>  > user:pw = tvbf:jamaicangoose
>>  > Check new archives: www.tvbf.org/pipermail
>>  > Check old archives: 
>> http://www.tvbf.org/archives/velocity/maillist.html
>>  >
>>
>>  _______________________________________________
>>  To change your email address, visit
>> http://www.tvbf.org/mailman/listinfo/reflector
>>
>>  Visit the gallery!  www.tvbf.org/gallery
>>  user:pw = tvbf:jamaicangoose
>>  Check new archives: www.tvbf.org/pipermail
>>  Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>>
>>
>>
>>
>>
>> _______________________________________________
>> To change your email address, visit 
>> http://www.tvbf.org/mailman/listinfo/reflector
>>
>> Visit the gallery!  www.tvbf.org/gallery
>> user:pw = tvbf:jamaicangoose
>> Check new archives: www.tvbf.org/pipermail
>> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html 
>
> _______________________________________________
> To change your email address, visit 
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery!  www.tvbf.org/gallery
> user:pw = tvbf:jamaicangoose
> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
>
>
>


More information about the Reflector mailing list