| A couple notes about that Tru-trak auto trim. The auto-trim box is intalled somewhere between your manual trim switches and the servo. When you turn the auto-trim on, you are energizing relays which wholly disconnect your manual switches and connect the servos to the auto-pilot trim logic. Were you to have a problem with that, you would hope to de-energize the relays, and hope the springs will pull the contacts back to the manual trim side.
If you install safety-trim with auto-trim you need to think that through thoroughly or you won't get the safety feature you were hoping for. I think I looked at it and concluded there wasn't a reasonable way to install safety-trim so that it would protect you against the auto-trim.
...more reason to make sure you limit your trim authority to what you can manually overcome. On Mar 29, 2013, at 10:00 AM, Gary Weeks wrote: Angier,
Yes I have the Ray Allen trim system and speed control for the exact reason you have stated. I also have not had a problem with any of my Ray Allen gear, it is bullet proof.
With the speed control installed I have almost halved my trim rate which seems to work very well in the Legacy.
I agree with John's comments re the TruTrak auto pitch trim, works beautifully.
Regards
Gary Weeks
Legacy VH-ZYA
Sent from my iPad
Ray Allen speed control works fine – never had an issue.
Obviously not designed to do quite the same thing as directly control the rate of trim servo movement, but auto-pitch control is a good device – I have the Trutrak auto-pitch and that does a great job – never have to retrim in climb, cruise or descent (A/P needs to be on though for this to work). So, disengaging the A/P means you take over with the aircraft nicely in trim.
Regards,
John
Legacy VH-XTZ
John N G Smith
Tel / fax: +61-8-9385-8891
Mobile: +61-409-372-975
Email: john@jjts.net.au
My elevator trim on at pattern speeds works well but is way too sensitive at high speed. Ray Allen makes a speed control and I'm curious to know if any of you have tried it. Any other solutions out there?
Angier Ames N4ZQ --
|