- #1

wildleaf

- 25

- 0

- 3 Plywood, 4 feet by 8 feet by 1/2 in thick, properties unknown.

- 16 pine wood planks, 1 inch by 10 inch ACTUAL cross section, 25 feet length

- 16 " " " , 2 inch by 4 inch, actual cross section, 25 feet length

Pin has Young's Modulus of 2 MSI, and a desgin tens/compression strength of 4000 psi and a desgin shear strength of 500 psi ( don't use safety factors)

-2000 steel nails, 0.125 in diameter, 4 inch long

Steel has Young's modulus of elastic of 30 MSI and shear strength of 20,000 psi

-Liquid adhesive/glue, allowable shear stress 50 psi

- crosscut-wood-saw

-Paper, pencil and calculator for the the design

PICTURE: http://i51.tinypic.com/io3td4.jpg

I have NO CLUE where to start or what I should do. If someone would explain it so that I will be able to do it.