[NSRCA-discussion] Elev Servo's in the stab Pros vs Cons?

[rcmaster199 at aol.com]

Have tried all of the above methods and all have advantages anbd disadvantages. My new design will have dual elevator servos in the stab. I will use a pair the mini superfast, lightweight JR digitals and couple them with 2-56 rods. The length of pushrods will be short

Matt


-----Original Message-----
From: twtaylor <twtaylor at ftc-i.net>
To: nsrca-discussion at lists.nsrca.org
Sent: Mon, 20 Aug 2007 8:47 am
Subject: [NSRCA-discussion] Elev Servo's in the stab Pros vs Cons?




I have a new secret weapon I’m building. Not having built and airplane in many years I started looking at what type of elev push rod system to use. I’ve looked at the Deps, two servos in the stab, pull pull cables and a single push rod with a Y.

 

The pull pull seems to be the lightest and possibly the easiest way to go. The twin servo’s also seems easy but adds another servo.  I don’t have the small servo’s required so that’s a consideration as well. The deps seems to be a good way but possibly the hardest of all to install. The old tried and trued Y pushrod is what I’ve used for years and have always used a bearing tube where it exits the fuse. This is a composite fuse already painted and I’d rather not screw it up by trying to put a former for the rear of the pushrod Like Dave has in the Focus.

 

I also am debating using the Tetra push rods for the ailerons even though they’re 2/56 push rods. We used to use them on rocket ships of the past and I was wondering if they would be fine on this aircraft because we fly slower now.

 

Pro’s Con’s?  




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