Layup and epoxy for the 108 glass wing

Layup and epoxy for the 108 glass + 93 carbon D-box wing (not made)

Thoughts about a very light layup (not made)

FYI: You need about 1,5 gram epoxy pr. 1 meter 24 NF carbon tow.

The outer layer (glass 108 g/m^2):

	Top	Bottom
Leading edge	12g	12g	Optional: (This is 12 gram epoxy with micro balloons to fillthe very curved part of the leading edge)
Glass cloth	70g	70g
Total	82g	82g
	(60 + 22)	(60 + 22)

The numbers in the paragraphs are the parted weights (resin + hardener).

Epoxy for the main spar + inner cloth +other things:

	Top	Bottom
Inner cloth (49 g/m²)	36g	36g
Mainspar_#2	53g	45g
Glass at the hinge line	9g
Total	89g	90g
	(64+25)	(65+25)

The numbers in the paragraphs are the parted weights (resin + hardener).

Width of main spar (cut-out in balsa)

Distance from centre of wing	Top	Bottom
0mm	40mm	32mm
250mm	30 -	24-
500mm	17 -	14-
750mm	10 -	8-
1000mm	6 -	5-
1350mm	3 -	3-

Main spar #2

Tow lengths (2 x 24K of each or 4 x 12K):

3000 kN/mm² (30/26)

Top:                       Bottom:

270                      270
240                      235
205                      200
170                      160
140                      130
120                      110
105                      90
90                      75
75                      60
65                      50
57,5                     40
50                      30
42,5                     20
35
27,5
20

(34,25m) (29,40m)

51 gr. epoxy 44 gr. epoxy

Total of 63,65 meter 24 K tows.

+ 25mm UD carbon: 180cm + 90cm + 45 cm both top and bottom