[NSRCA-discussion] Elevator setup with anhedral stabs

[Ed Alt]

Hi Stu:
Bushnell makes a nifty laser level that can be set for a point, a horizontal
line or a crosshair.  I've used the crosshair for this type of adjustment
with a flat stab and it works great.  I suspect that it might also work well
if you use it in a "scanning mode".  

What I normally do is just line up the vertical line on the rudder post, get
the stab set and then do the elevators.  The level has a magnetic base and
you can pivot it up & down on that base.  Now, for the anhedral stab it
might work well if you sight it at the root, then adjust up or down to site
a mid point, then again at the tips of the elevators.  Seems plausible
anyway.

Radio Shack was dumping these at half price for a while, not sure if you can
still find them there.

Ed

-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Stuart Chale
Sent: Friday, September 21, 2007 8:24 AM
To: 'NSRCA Mailing List'
Subject: Re: [NSRCA-discussion] Elevator setup with anhedral stabs

I tried this question on RCU and didn't get any great answers so I thought I
would try here.

Does anyone have a good method for comparing the throw of both elevator
halves on anhedral stabs?  With a regular stab I use a 15 inch piece of 1/8
carbon fiber rod on each elevator meeting behind the rudder and compare
their track with movement of the elevator stick.  This is much more accurate
to me, than clip on throw meters or ruler measurements.  With anhedral stabs
the two rods will separate as you give up elevator and come together and
cross with down elevator.  I guess you can measure the height of the end of
the rod from the table at different positions but does anyone have a better
method?

Thanks,
Stuart


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