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Stringer Math

Okay I have done some math on my stringers and bulkheads...let me know if this makes sense.

There is 519" of area on both sides of the stringers
288" on both sides of the bulkheads
So add those together and that give me 807" of total area or 67.25' or 22.42 yards.

I figured that I will use 4" 1 1/2oz CSM tape for the first layer
- Which uses 1.25gal of resin for a whole roll (110yards) but I will only figure for 25 yards...or .23 of a whole roll
- So .23 x 160oz of resin (1.25gal) = 36.8oz of resin for the 1st layer

Layer 2 I will use 6" 1 1/2oz CSM tape
- Which uses 1.75gal of resin for a whole roll (110yards)
- .23 x 224oz of resin (1.75gal) = 51.52oz of resin for the 2nd layer

Layer 3 I will use 6" 1708 Biaxial and according to this website 1708 takes a little less resin to wet out than 1 1/2oz CSM so I will figure at CSM values:
- .23 x 224oz of resin (1.75gal) = 51.52oz of resin for the 3rd layer

Layer 4 will be a copy of the 3rd layer:
- .23 x 224oz of resin (1.75gal) = 51.52oz of resin for the 4 layer

So in summary the parts list for glassing the stingers w/o capping is:
1. 25yards 4" 1 1/2oz CSM tape
2. 25yards 6" 1 1/2oz CSM tape
3. 50yards 6" 1708 Biaxial tape
4. 181.36oz of resin (I will buy 5gallons just to get started)

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