[NSRCA-discussion] Elevator setup with anhedral stabs

Sun Sep 23 04:09:51 AKDT 2007

If you have the option, use a removable rudder, then you can lay a straight
edge across the elevator halves.

Dubro #257 hinges and 3/64" music wire (or CF rod) work well for the rudder.
(Actually easier than a permanent installation since you can disassemble and
remove any excess epoxy that may have oozed.)   

  _____  

From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of
rcmaster199 at aol.com
Sent: Sunday, September 23, 2007 7:02 AM
To: nsrca-discussion at lists.nsrca.org
Subject: Re: [NSRCA-discussion] Elevator setup with anhedral stabs

HMMMM.....The laser idea I think is a good one. I wonder how a pair of small
pointer lasers, each taped onto an elevator half, could work. Turn them on
and let them point at some kind of screen against a wall. A 17x24" piece of
quadruled vellum might make a good screen. Accurate positioning of the
lasers is critical but shouldn't be too bad for a real pattern animal.
Haven't tried it myself tho, so take it with a big grain of salt.

Am planning anhedral on my new design so I will need a good technique too.

MattK

-----Original Message-----
From: Stuart Chale <schale at optonline.net>
To: 'NSRCA Mailing List' <nsrca-discussion at lists.nsrca.org>
Sent: Fri, Sep 21 11:57 AM
Subject: Re: [NSRCA-discussion] Elevator setup with anhedral stabs

I think a laser setup could work pretty well if the pivot is accurate.  I
will probably try the measuring from the table to the rods first and see if
I can pick up a cross hair laser next trip to Home Depot or similar.  Thanks
for the idea guys    -----Original Message-----  From:
nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org
<mailto:nsrca-discussion-bounces at lists.nsrca.org?> ] On Behalf Of Steve
Byrum  Sent: Friday, September 21, 2007 10:12 AM  To: 'NSRCA Mailing List'
Subject: Re: [NSRCA-discussion] Elevator setup with anhedral stabs    Guys
Walmart has a $10 level that does as Ed suggests.  I use it to set up
Curares for SPA.  Level the ele!
 vator at neutral with the laser on both ends  of the elevator.  Hold full
up and elevate the laser.  If it doesn't still  hit both ends of the
elevator, it's obvious which one is off.  Same with  down.    Semi high tech
and cheap.  To elevate the laser, I use a scrap of 2-1/2 wide  aileron stock
as a wedge.  Slide it under to elevate.  Pull it out to  depress.    Steve
Byrum   (256)737-9828      -----Original Message-----  From:
nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org
<mailto:nsrca-discussion-bounces at lists.nsrca.org?> ] On Behalf Of Ed Alt
Sent: Friday, September 21, 2007 8:51 AM  To: 'NSRCA Mailing List'  Subject:
Re: [NSRCA-discussion] Elevator setup with anhedral stabs    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 us

e 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
<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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