Thoughts about a very light layup (not made)

Layup and epoxy for the 108 glass wing
Layup and epoxy for the 93 carbon wing
Layup and epoxy for the 68 carbon/kevlar wing
Layup and epoxy for the 68 carbon/kevlar + 93 carbon D-box wing
Layup and epoxy for the 108 glass + 93 carbon D-box wing (not made)
Thoughts about a very light layup (not made)
 
Moulding
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A light Trinitus – still a theoretical document: 

Wing:

Thin paint – with or without decoration

-20g

1 layer 68 carbon/kevlar in D-box – diagonally

 

1 layer 49g glass behind D-box – diagonally - in all

-65g

balsa– 0,8 - 1,0mm balsa

-15g

mainspar – 18 top  // 12 bottom - UMS

-50g

8 kevlar reinforced  balsaribs

+16g

less epoxy

-30g

 

-154g

  Fuse:

Thin paint with decoration

-5g

No ballasttube

-45g

Made in one go

-5g

1 layer 49g glass + 1 layer 100g UD kul + 1 layer 105 g glass (kevlar)  //+ ½ layer 105 g glass (kevlar) + kevlar in pylon = less trim ballast coursed by lighter V-tail with same stiffness - in all

-75g

wood for tow hook glued in while moulding fuselage

-3g

no servo tray (platine) but konus and fuse glued together (=hatch)

-30g

 

-183g

  V-tail:

1 layer 49g (evt. 25g glass? – or 29g kevlar!?) diagonally and 1 layer 25 g glass diagonally

-5g

no carbon in rudder

 

0,5 – 0,7mm balsa

-3g (+ -6g)

 

-10g

 

Total weight saving

-347g (375g???)

Normal weight

2050-2250

New weight

1703 – 1953