TDSL Weight Estimate
(Teardrop Superleggera)
All levers and LCG are measured from the CAD datum shown, 550mm behind rear of trailer
Weights include all structural materials but do not include any fit-out items.
Unit Units Weight
Category Item No off Material Unit weight each each
kg/unit unit kg
Chassis
Structure Axle tube 1 50x50x3 SHS m 4.66 1.23 5.73
Susp mount plates 2 6 plate m2 47.10 0.015 0.72
Longitudinals 2 50x50x3 RSA m 2.30 3.00 6.90
Hitch mount 1 50x50x3 SHS m 4.66 0.13 0.61
Fittings Susp units 2 guess ea 5 1 5.00
Wheel/tyres 2 guess ea 5 1 5.00
Hitch 1 guess ea 1 1 1.00
Base Ply base 1 12 ply m2 7.8 2.765 21.56
Side framing 2 44x44 m 1.16 0.933 1.08
Side framing 2 44x44 m 1.16 1.252 1.45
Cross members 4 44x44 m 1.16 1.114 1.29
Bolts, say 10 0.2 1 0.20
Sides Side + door - window 2 9 ply m2 5.8 2.398 13.91
Edge framing 2 12 ply m2 7.8 0.127 0.99
Door jamb back 2 9 ply m2 5.8 0.056 0.32
Door jamb front 2 9 ply m2 5.8 0.053 0.31
Door jamb bottom 2 9 ply m2 5.8 0.041 0.24
Door jamb top 2 9 ply m2 5.8 0.031 0.18
Top
Fixed top Main ply 1 3 ply m2 1.9 3.399 6.46
Cross beams 7 33x33 m 0.65 1.178 0.77
Aft cross beam 1 ex 66x33 m 1.3 1.178 1.53
Lid closing piece 1 33x33 m 0.65 1.202 0.78
Galley Lid Lid ply 1 3 ply m2 1.9 1.793 3.41
Lid longl frames 4 2 x 9 ply m2 11.6 0.073 0.84
Lid top beam 1 ex 66x33 m 1.3 1.182 1.54
Lid bottom beam 1 50x33 m 0.99 1.182 1.17
Internals Galley divider 1 9 ply m2 5.8 0.135 0.78
Lower bulkhead 1 9 ply m2 5.8 0.590 3.42
Galley worktop 1 9 ply m2 5.8 0.691 4.01
Upper bulkhead 1 9 ply m2 5.8 0.760 4.41
Galley shelves 2 9 ply m2 5.8 0.210 1.22
Shelf divider 1 9 ply m2 5.8 0.067 0.39
Locker base 1 9 ply m2 5.8 0.472 2.74
Locker front 1 9 ply m2 5.8 0.654 3.79
Overhead base 1 9 ply m2 5.8 0.357 2.07
Overhead front 1 9 ply m2 5.8 0.377 2.19
Joining fillets 9 21x21 m 0.26 1.202 0.31
Mudguards 2 guess ea 2.5 1 2.50
Total LCG - X 1.771
Lever of wheels - A 1.459
Lever of hitch - B 3.995
Optional Extras
Aluminium skin
Fixed top 1 0.8mm alum m2 2.16 3.399 7.34
Galley lid 1 0.8mm alum m2 2.16 1.793 3.87
Sides 2 0.8mm alum m2 2.16 2.398 5.18
Line Line Category Category
Weight Lever Moment Weight Moment
kg m kg-m kg kg-m
5.73 1.53 8.74
1.43 1.53 2.18
13.80 2.39 32.98
0.61 3.84 2.32 21.57 46.23
10.00 1.50 14.95
10.00 1.46 14.60
1.00 3.92 3.92 21.00 33.47
21.56 1.70 36.66
2.16 1.02 2.21
2.90 2.17 6.30
5.17 1.77 9.15
2.00 1.80 3.60 33.80 57.92
27.82 2.00 55.63
1.97 2.20 4.34
0.65 1.85 1.20
0.61 2.50 1.54
0.48 2.13 1.02
0.36 2.13 0.77 31.89 64.50
6.46 2.60 16.79
5.36 2.50 13.40
1.53 1.31 2.01
0.78 0.63 0.49 14.13 32.69
3.41 0.80 2.73
3.36 0.80 2.69
1.54 1.27 1.95
1.17 0.59 0.68 9.48 8.05
0.78 0.86 0.67
3.42 1.00 3.42
4.01 0.99 3.97
4.41 1.30 5.73
2.44 1.20 2.93
0.39 1.20 0.47
2.74 1.50 4.11
3.79 1.70 6.45
2.07 2.75 5.69
2.19 2.60 5.69
2.81 1.75 4.92 29.05 44.05
5.00 1.40 7.00 5.00 7.00
Subtotal 165.93 293.91
Margin 5% 8.30 14.70
Total 174.2 308.6
Weight on wheels 152.8 88%
Weight on hitch 21.5 12%
7.34 2.60 19.09
3.87 0.80 3.10
10.36 2.00 20.72
21.57 1.99 42.91
plywood 0.65 kg/m2 per mm / 3.4lb/ft2 per in
mm in kg/m2 lb/ft2 sheet kg sheet lb
3 1/8 1.9 0.40 6 13 3mm, 1/8in, 1.9kg/m2, 0.39866441041152lb/ft
4 3/16 2.6 0.53 8 17
6 1/4 3.9 0.80 12 26
9 3/8 5.8 1.20 17 38
12 1/2 7.8 1.59 23 51
19 3/4 12.3 2.52 37 81
3 mm, 1/8 in, 1.9 kg/m2, 0.40 lb/ft2, 6 kg/sht, 13 lb/sht
4 mm, 3/16 in, 2.6 kg/m2, 0.53 lb/ft2, 8 kg/sht, 17 lb/sht
6 mm, 1/4 in, 3.9 kg/m2, 0.80 lb/ft2, 12 kg/sht, 26 lb/sht
9 mm, 3/8 in, 5.8 kg/m2, 1.20 lb/ft2, 17 kg/sht, 38 lb/sht
12 mm, 1/2 in, 7.8 kg/m2, 1.59 lb/ft2, 23 kg/sht, 51 lb/sht
19 mm, 3/4 in, 12.3 kg/m2, 2.52 lb/ft2, 37 kg/sht, 81 lb/sht
Most softwoods 500-600 kg/m3, english birch 670
@600 kg/m3: kg/m
44 44 1.16
33 33 0.65
21 21 0.26
50 33 0.99
n, 1.9kg/m2, 0.39866441041152lb/ft2, 5.7958296kg/sheet, 12.7740084384lb/sheet