Physics and Astronomy

Egg Loft
Objective To construct a rocket that will carry an egg to greatest possible altitude and land without breaking the egg.
Purpose To investigate thrust, energy, projectile motion, air resistance.
Participants Individuals or teams of two.
  1. Contestants will be provided with an egg, a commercially produced solid propellant rocket engine (D12-3) and a rocket launch pad.
  2. The rocket must meet the following specifications: no metal parts, engine no more than 6.99 cm long, 2.40 cm in diameter.
  3. The engine D12-3 has the following specifications:

    - initial weight 42.2 g
    - total impulse 20 newton seconds
    - time delay to ejection charge, 3 seconds 15%
    - maximum thrust 39 newtons
    - maximum lifting ability 397 gm approx.
    - thrust duration 1.5 seconds


Points will be awarded for:

- design of the rocket and payload section
- design of the recovery system
- maximum altitude reached
- proximity to impact area
- time to impact
- egg remains intact

Note Students must be thoroughly brief in the safe use of rockets
Source Youth Science Foundation Science Olympics Manual.

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