Motors & Speed Controllers - RC

Graupner Jumbo 540
Battery: 3-6 V
RPM: 1350 (brushed)
No load current: 1.2 A
Max current: 4.5 A
Max power: 27 W
Diameter of shaft: 3.2 mm
Dimensions: 35x56 mm

Turnigy AquaStar 3520-1700KV Water Cooled Brushless Outrunner Motor
Features:               
• CNC machined aluminum motor can  
• High purity copper windings
• 3.5mm Bullet connectors pre-installed
• Includes 3.5mm bullet connectors for your ESC   
• Powerful sintered neodymium magnet    
• Precision engineered for maximum energy conversion
• Water cooling jacket and cooling fan pre-installed

Specs:
RPM/V: 1700KV
Max Voltage: 14.8v (4S)
Max Current: 50A
Max Watts: 750w
Resistance: 0.021ohm
No Load Current: 1.2A
Diameter: 35.4mm (Actual Motor Diameter)
Length: 62mm
Shaft Size: 5mm
Shaft Length: 14.5mm
Weight: 188g

Turnigy D3536/5 1450KV Brushless Outrunner Motor
Battery: 2~4 Cell /7.4~14.8V
RPM: 1450kv
Max current: 45A
No load current: 3.5A
Max power: 655W
Internal resistance: 0.023 ohm
Weight: 102g (including connectors)
Diameter of shaft: 5mm
Dimensions: 35x36m
Prop size: 7.4V/9x6 14.8V/8x4
Max thrust: 1380g

Just for fun:
Mabuchi RE-56
Battery: 4,5 V
More than 40 years old, still working!