p1.2.4 Frame engine design

Material

Force

Displacement, Max (in)

Aluminum

Aluminum

Polyethylene

Polyethylene

Oak Wood

Oak Wood

3G Down

3G Down

3G Down

6G Up

6G Up

6G Up

Modulus of Elasticity (ksi)

0.2316

0.4593

0.004556

0.008881

0.03330

0.06626

194.485

194.485

99300.000

99300.000

1349.782

1349.782

Density (lb/ft^3

56.123

56.123

169.180

169.180

34.960

34.960

Tensile Strength (ksi)

0.798

5.298

44.993

44.993

5.298

0.798

.36

.36

.83

.83

1.27

Cost Effect ($/lb)

1.27

Aluminum was chosen because of its high relative strength and modulus of elasticity; low deformation, low density for a metal; and moderate cost effect.