Elan trouble

[Jim Ivey]

Jerry
 Why is it  tail heavy. Maybe you are using the wrong CG point or did you put servos in the tail? Is the tail painted. I think figure out why, then solve the problem that way instead of adding all that weight.?

Jim Ivey> 
> From: "Jerry Wilson" <JWilsonJr at houston.rr.com>
> Date: 2005/06/29 Wed AM 07:14:53 EDT
> To: <discussion at nsrca.org>
> Subject: Elan trouble
> 
> I have a dilemma and could use some advice from the group.
> 
>  
> 
> After over a year of building I have nearly completed my Elan which is my
> first attempt to build a fiberglass fuse pattern ship.  It is painted,
> covered, servos, push rods, and engine (120 four stroke) installed.  Weighs
> about 9 lbs.  Looks pretty nice.
> 
>  
> 
> The trouble is to get it to balance at the CG point on the plan (8" from
> wing LE) requires 11 oz in the nose.
> 
>  
> 
> According to Dick Hansen's plan the weight should be 8 - 10 lbs.  So it is
> still within the design range, at ~9.75 lbs.  But even if I can figure a way
> to add 11 oz of weight to the nose, I'm afraid the plane will not fly the
> pattern well and am having serious doubts completing.  My intentions were to
> fly one or two more Sportsman contests with it and then move on to
> Intermediate.  Would appreciate some opinions/advice from the group:
> 
>  
> 
> Should I try to figure out a way to add 11 oz wt. to the nose securely and
> finish the plane?
> 
>  
> 
> Or abandon the ship and move on to something else?
> 
>  
> 
> TIA
> 
> Jerry
> 
> 
> 

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