REFLECTOR: Elevator Trim Spring
Ron Brown
romott at adelphia.net
Tue Jan 31 20:07:30 CST 2006
John,
I don't think you will need more travel if you use the unmodified factory ?
shaped spring installed per the manual
You'll just need to adjust its location to get the amount of up and down
trim needed for your plane.
Ronnie
----- Original Message -----
From: "John Dibble" <aminetech at bluefrog.com>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Tuesday, January 31, 2006 6:56 PM
Subject: Re: REFLECTOR: Elevator Trim Spring
> Where can I get an actuator with more travel?
>
> John
>
> Scott Baker wrote:
>
>> While its interesting to think about the benefits of variable geometric
>> wings, canards, and winglets - lets remember the practical elements of
>> system design as it applies to weight, complexity of design and
>> maintenance,
>> and of course cost. The Beech Starship had a base list price of $3.9M
>> when
>> it was introduced in 1989. There are lots of cool things that would be
>> fun
>> to try - given relief from $$ constraints. The subject of pitch-trim has
>> been discussed on the Reflector off and on in the past. The basic linear
>> actuator/fiberglass spring system works well to my liking. I happen to
>> think it is one of the finer flying attributes of the Velocity. If an
>> aircraft does not have enough pitch trim (in cruise or in slow flight)
>> the
>> answer in most instances is to re-mount (adjust the location) of the
>> linear
>> actuator so that it gives the needed travel. Sometimes the fiberglass
>> spring needs stiffening - this can be done by adding a few plies of
>> glass -
>> or replacing the spring with a new one from the factory. A few builders
>> have installed linear actuators with an additional inch of travel (in
>> order
>> to get enough up _and_ down trim).
>> Scott Baker
>>
>> _______________________________________________
>> 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