REFLECTOR: Elevator Trim Spring

[Ron Brown]

No problem.  Certainly you can relocate the mounting holes in the canard.  I 
found it easier to cut and redrill the bracket.

Moving the actuator forward about 3/8" will produce the desired result.

Ronnie

----- Original Message ----- 
From: "John Dibble" <aminetech at bluefrog.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Monday, January 30, 2006 12:30 PM
Subject: Re: REFLECTOR: Elevator Trim Spring


> Ronnie,
>
> I'm sorry, but I'm getting more confused.  My problem is that I don't have 
> enough down
> (elevator up) trim at cruise.  I can see how moving the actuator forward 
> could help
> this problem.  I don't understand why I need to cut the bracket.  Can't I 
> simply move
> it forward and make new holes in the canard?  I didn't build so maybe that 
> is why I
> don't understand.
>
> Scott D - I think your idea of the block is going to send me in the wrong 
> direction.
> Appreciate your help here.
>
> John
>
> 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
>> >  >
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