The perfect subject for all of your expieriments can be made with this instructable.
Step 1: Arms,legs,and Body
Step 2: Joints
Step 3: Drill the Holes
For the body , drill 4 holes (2 on each side). For the arm and leg pieces drill 1 hole.
Step 4: Put the Rope Through the Holes
Just feed them through until both sides are equal.
Step 5: Put the Arms On
Step 6: Do the Same on the Bottom
Step 7: Head
Drill one hole
Step 8: Neck
No particulare size.
Step 9: More Holes....
Put one more hole in the back.
Step 10: Tie the Head On
Feed the rope through the head and tie a knot on the inside , then tie a knot on the back. Trim the excess rope.
Step 11: Face
Cover the open end in duct tape.
Step 12: Face
Draw your own!
Step 13: Final
Put the face on and then your done, a perfect crash test dummy made for all your expiriments!!
thanks for looking bye.