Multichine 41SK

Material: steel 1020
(or equivalent)
Thickness Width

Length

Plane
Area

Vol.

Weigth

 
(mm)
(mm)
(m)
(m2)
(m3)
(kg)
  Plating

             
1.1.1 Hull plating - topsides 3.18 mm (1/8") plate 3.18     25 0.0795 624
1.1.2 Hull plating - bilge 4.76 mm (3/16") plate 4.76     32 0.1523 1196
1.2 Keel 6.35 mm (1/4") plate 6.35     9 0.0572 449
1.3 Deck 3.18 mm (1/8") plate 3.175     44 0.1399 1082
1.4 Transverse bulkheads 3.18 mm (1/8") plate 3.175     17 0.0541 412
1.5 Longitudinal bulkheads 12.7 mm (1/2") plate 12.7     3 0.0381 28
1.6 Stem 6.35 mm (1/4") plate 6.35     0.12 0.008 6
1.7 Cabin sides

4.76 mm (3/16") plate 4.76 .   2.5 0.0119 93
1.8 Frame joining floors 6.35 mm (1/4") plate 6.35 75 3.18 1.33 0.0085 66
1.9 Mast support structure 12.7 mm (1/2") plate            
  Thickness Width Length Sec.
Area
Vol. Weigth
  (mm) (mm) (m) (mm2) (m3) (kg)
2 Scantlings              
2.1 Frames 1/4" flat bar 6.35 50 111   0.035 276
2.2 Floors 50 x 100 U bar 12.7   6.3 2540   125
2.3 Engine bed 1/2" L bar 12.7          
2.4 Chines 5/8" round bar     96.7 198 0.019 150
2.5 Beams 1/4" flat bar 6.35 50 73   0.023 181
2.6 Sheer Tube: diam.: 40 mm,
thickness: 1/8"
    23.72 193 0.0046 36
2.7 Deck stringers 1/8" flat bar 3.175 25 54   0.0043 34
2.8 Deck round bars 5/8" round bar     40 198 0.0079 62
2.9 Deck hardware reinforcement 1/2" plate where hardware will be fixed. Make a thread in this plate.
2.10 Main hatch track 3/16" L bar 4.76 165 3.32   0.0026 20
2.11 Post to support the mast Tube: diam.: 4"
thickness: 3/16"
    2.16 1448 0.0031 25
2.12 Bulkhead stiffeners 3/16" flat  plate 4.76 30 44   0.0063 50
2.13 Mast step structure 60 x 130 "U" bar 12.7   0.729 2819 0.0021 16
3 Tanks   (m2)  
3.1 Cover lid 3.18 mm (1/8") plate 3.175     4.16 0.0132 104
3.2 Sides 6.35 mm (1/4") plate 6.35     1.572 0.010 78
3.4 Baffle 3.18 mm (1/8") plate 3.175     0.85 0.0027 21