Power Source Needs to be Installed on the Robot

1
Power Source Needs to be Installed on the Robot
Requirements Size lt 200mm Mass lt
300g Power 1-10W Duration gt 3min
2
DC Motor with Li Ion Battery is an Adequate
Solution
IC Engine with Fuel
Pneumatic System with CO2 Cartridge
DC Motor with Lithium Ion Battery
Rather large Acceptable mass Excellent
duration Excessive power Heat Noise
Large Heavy Minimal duration Adequate power
Compact size Appropriate mass Good
duration Adequate power Can be smaller
3
Snap-Release Crank Mechanism
Gearbox
Fork
Crank
String Attached to Leg
4
Two Legged Prototype Specifications
DC Motor Output up to 5.6W at 6V Running
Voltage 3V Energy Source 2 x AAA
cells Mass 153g Size (Length)
100mm Stroke Length 25mm Stroke
Frequency 3Hz Speed 20mm/s