Foam wing building
12-28-2002, 04:52 PM
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Foam wing building
Does adding a 1/2" to the trailing edge of the aileron effect flying characteristics of the aircraft? I am building an older 33% scale 230 Extra kit from ACE . The kit says to cut off 1/2" of the foam the entire length of the trailing edge including aileron. I wanted to leave as is, because it already has a perfectly cut edge and I can glue the 1/2" x 3/4" Balsa trailing edge to it instead of cutting then gluing. This would add an additional 1/2" to the aileron.
Is this a good idea or should I follow the kit recommendations?
Thanks
Any Info would be greatly appreciated
Is this a good idea or should I follow the kit recommendations?
Thanks
Any Info would be greatly appreciated
12-28-2002, 05:01 PM
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Foam wing building
Hey Kurt how ya doin'?
I am not sure I totally understand the question, but.....
I think the reason they are telling you to remove that material is so you can add the same amount of balsa for hinging purposes. I haven't started on mine yet, but this is a comon practice in many of the large scale kits. What page in the manual is this on and I will look at mine.
Jeff
I am not sure I totally understand the question, but.....
I think the reason they are telling you to remove that material is so you can add the same amount of balsa for hinging purposes. I haven't started on mine yet, but this is a comon practice in many of the large scale kits. What page in the manual is this on and I will look at mine.
Jeff
12-30-2002, 04:05 AM
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Foam wing building
Section under wing building. I am planning on replacing the 1/8" birch ply & 1/4" balsa rear spar with a 1/2" balsa spar the entire length of the wing. This adds 1/8" to the wing. I will add balsa strip to the 1/2" rear spar at the root end where the small foam section is glued on. I am also going with triangle balsa stock for the aileron leading edge. By using all the above I can use the aileron as is without cutting. This would add I beleive 3/8" to the width of the wing.
I also built up main spars using 1/8 x 1/4 spruce top and bottom and 1/8 x 6" balsa sheet grain running vertically in between. It was easy to do. I also have replaced the 1/8 birch ply fuse sides with 1/8 lite ply. I have a digital scale and by replacing the above mentioned birch I cut off 14 oz. of weight! I am planning on doing this to the main stub spar also. All doublers and triplers I will leave as Birch ply. I also plan on replacing the Formers 1,2 & 3 with lit ply! I plan on using 1/4 balsa triangle stock on all formers where they meet the fuse sides. I am still going over plans and possibly will change the motor box.
I also built up main spars using 1/8 x 1/4 spruce top and bottom and 1/8 x 6" balsa sheet grain running vertically in between. It was easy to do. I also have replaced the 1/8 birch ply fuse sides with 1/8 lite ply. I have a digital scale and by replacing the above mentioned birch I cut off 14 oz. of weight! I am planning on doing this to the main stub spar also. All doublers and triplers I will leave as Birch ply. I also plan on replacing the Formers 1,2 & 3 with lit ply! I plan on using 1/4 balsa triangle stock on all formers where they meet the fuse sides. I am still going over plans and possibly will change the motor box.
