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
>> >
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>>
>>
>>
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>
> _______________________________________________
> To change your email address, visit
> http://www.tvbf.org/mailman/listinfo/reflector
>
> Visit the gallery! www.tvbf.org/gallery
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> Check new archives: www.tvbf.org/pipermail
> Check old archives: http://www.tvbf.org/archives/velocity/maillist.html
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>
>
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