Wing weighting

[Anthony Romano]

Richard
I understand your situation. Sometimes bad things happen. Great to see the 
perserverance.

http://f1.pg.photos.yahoo.com/ph/nypattern/album?.dir=/fd57&.src=ph&store=&prodid=&.done=http%3a//f1.pg.photos.yahoo.com/ph/nypattern/my_photos

take a peak at the link


Anthony

>From: "Richard Strickland" <richard.s at allied-callaway.com>
>Reply-To: discussion at nsrca.org
>To: "NSRCA" <discussion at nsrca.org>
>Subject: Wing weighting
>Date: Sat, 31 Jul 2004 11:58:04 -0500
>
>Gentlemen,
>
>I made a large error a few weeks ago and totaled the first Temptation. Got 
>the second one done and had problems with the engine and it had to go back. 
>  Wife had gone to California to help her Aunt move--So I'm home alone, 
>have to come home after work to let the dog out and the field is too far 
>away to practice after that with the old trusty OMS.  What to do--what to 
>do....  Got to looking at the "totaled" airplane and started tacking pieces 
>back together--got to thinking hmmm--this might actually become an airplane 
>again--called Lee and asked him for some cores and a chin cowl--told him I 
>had two weeks of guilt free building time and would he send a set.  Well, 
>it was right before the Nats and it didn't happen--understandably.
>
>So I had this severely crunched left wing panel--really NOT 
>salvageable--now with all kinds of foam voids--wing socket knocked loose 
>and should have pitched it--but I didn't.  I did some judicious goobering 
>(read HEAVY) of epoxy and foam as best I could, lined up the wing halves 
>back in the shucks with the wing tube--weighted them, said a little prayer 
>and let 'em set. Well, at least it started looking like a wing.  The socket 
>was still a little wobbly and I still had to graft about 25% of the 
>crunched nose of it on and again--probably should've pitched it.  But 
>nooo.... I cut a couple lite-ply spars, cut grooves for them from the 
>bottom side up to the socket sides and glued those in--back in the shucks. 
>Still didn't like the rigidity--so I did a couple spars on the top with a 
>contoured cross partial rib boxing the socket, grafted foam, resheeted as 
>needed, blah, blah, yada, yada... Could have done a set in this time.  Got 
>the new cores yesterday.
>
>Here's the Question:  Since I've added about 2.5-3 oz to the panel with the 
>average about 30% out in span; would I add a similar amount of weight on 
>the other at roughly the same spot or LESS weight toward the end?  You 
>know--levers, arms and all that....  I'll fly it as is and see how it 
>reacts.  You don't have to tell me that I need to build another 
>panel--that's a given. Having an extra set of heavier panels around here in 
>the spring wind may not necessarily be a bad thing. It started out at 10 
>lbs.-7ozs.
>
>Thanks,
>             Richard

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