1. Testing
1.1. Does the 'Probe'/'Rover' Break on impact
1.1.1. Coshining
1.1.1.1. Parachutes
1.1.1.2. Air Bags/Other Cushioning
1.1.2. Fall Speed
1.1.3. Dependent
1.1.4. Floor Material
1.1.4.1. Controlled
1.1.4.2. Different types
1.1.4.2.1. Concrete
1.1.4.2.2. Grass
1.1.4.2.3. Dirt
1.1.4.2.4. Water?
1.1.5. Using an egg
1.1.5.1. Don't may give inconsistent results due to each egg requiring slightly different amounts of force to break.
1.1.6. Use Impact Force Measurer
1.1.6.1. Gives constant results
1.1.6.2. Work over a specific threshold
1.2. Does it Land the correct way up?
1.2.1. Dependent
1.2.2. Shape
1.2.3. Fall Speed
2. Safety Considerations
2.1. Dropping/Throwing objects
2.1.1. May hit people
2.1.2. Avoid by:
2.1.2.1. Watching out for people
2.1.2.2. providing ample time for people to move
2.1.2.3. Cordon Off drop area
2.1.2.4. Work in area with very little number of people
2.2. Launching Objects
2.2.1. Kinetic Energy
2.2.2. Springs
2.2.3. Damage to Property
2.3. Personal Danger
2.3.1. Damage to Eyes
2.3.2. Damage to Body
3. Possible Sources of Error
3.1. Systematic
3.1.1. Impact Force Measurer measures the forces incorrectly
3.1.1.1. Solved by averaging results
3.1.2. Wind Speeds may differ between attempts
3.2. Random
3.2.1. Drop height changes between attempts
3.2.2. Object may be dropped with additional force, on some attempts
3.2.2.1. Solve with dropping device?
4. "Rover" Size/Mas
4.1. 1/25 scale
4.2. Size: 0.12m, 0.108m, 0.084m
4.2.1. Size: 12cm, 10.8cm, 8.4cm
4.3. Mass: 0.0655kg
4.3.1. Mass: 65g
5. Variables
5.1. Controlled Variables
5.1.1. Gravity
5.1.2. Floor Material
5.1.3. Launch Force
5.2. Uncontrolled Variables
5.2.1. Air density
5.2.1.1. Affected by Humidity
5.2.1.1.1. Do all tests on the same day and account for Humidity
5.2.1.1.2. Equation: Air Density Calculator - What is the Density of Air?Omni Calculator logo
5.3. Independent Variables
5.3.1. Shape
5.3.1.1. Size
5.3.1.2. Mass
5.3.1.3. Material
5.3.1.4. Parchutes
5.3.1.5. Air Bags/Other Cushioning
5.4. Dependent Variables
5.4.1. Fall Speed
5.4.1.1. Weight
5.4.1.2. Air resistance
5.4.1.2.1. Shape
6. Aim
6.1. To define the optimal shape and protection method of a "space craft" to land safely and the correct way up after every launch
6.1.1. Protection Methods:
6.1.1.1. Air Bags/Other Cushioning
6.1.1.2. Parachutes
6.1.2. Correct Way up is defined as:
6.1.2.1. The "space craft" being top up so that were the object to have to open the "Space craft" would be able to move out of the object with out further assistance.
6.1.3. Space Craft:
6.1.3.1. Represented as the Impact Force Measurer
7. Potential Methods:
7.1. First Method:
7.1.1. 1. Investigate into real world methods of slowing decent/*Absorbing* forces
7.1.2. 2. Apply in designing several possible prototypes for the object
7.1.3. 3. Test each object:
7.1.3.1. 3a) Move to a height from which the object can be drooped from safely
7.1.3.2. 3b) Equip the Impact Force Measurer
7.1.3.3. 3c) Warn passers by about drop
7.1.3.4. 3d) Drop objects once insuring the Impact Force Measurer has been activated
7.1.4. 4. Replicate Previous steps, 3-5 times for each design
7.1.5. 5. Repeat Steps 3 and 4 again for each surface
7.1.6. 6. Analysis results for each drop, averaging force and find percentage of correct landings.
7.1.7. 7. Take most efficient (Lowest force and highest percentage of correct landings) and apply both to a final design
7.1.8. 8. Repeat steps 3 to 6
7.1.9. 9. analyses results
7.1.10. 10. Determine most efficient (Lowest force and highest percentage of correct landings) design.
8. Results
8.1. Will be shown by:
8.1.1. Graphed data showing:
8.1.1.1. Drop force
8.1.1.2. Orientation
8.1.2. A physical object used in the finial test