PIRA 1D60.30 Projectile Motion: Monkey and Hunter

Photo of the Demonstration Apparatus used at the University of Texas at Austin

• To Faculty:The gun will already be cocked and the power supply turned on.
  
• Insert metal shaft on the Troll's head into the electromagnet - and - load the orange bullet - just before shooting.
  
• Pull the string located on the rear release mechanism to shoot a bullet towards the troll.
• The gun is aimed at the monkey, when you shoot the monkey jumps from the tree, but you still hit it.
• (There is a video of this demo in use at the bottom of this web page.

STEP 1 - Start with the spring loaded swinging U-shaped arm that crashes into the front trigger.

• Move the swinging u-shaped arm to the rear. - Then lift up on the rear release lever/latch that has a string attached to it.

• The rear release lever/latch prevents the spring loaded U-shaped arm from swinging forward.

STEP 1 - CONTINUED.

• When the spring loaded u shaped swinging arm is set, - you'll be able to clearly see the front trigger - (see below).

STEP 2 - SETTING THE PLUNGER & FRONT TRIGGER.

• While pulling back gently on the front trigger, pull the plunger rearward until 4 or 5 holes appear on the plunger shaft - see below.

• Notice the alignment of the holes on the shaft. - The top of the holes need to aligned so they are pointed upward.

Video of the Apparatus used at the University of Texas at Austin