Specs

The parts specifications go here…

Main Board

Arduino UNO:

• Digital I/O Pins: 14 (of which 6 provide PWM output)
• Analog Input Pins: 6
• DC Current per I/O Pin: 40 mA
• DC Current for 3.3V Pin: 50 mA
• Operating Voltage: 5V
• Input Voltage (recommended): 7-12V
• Input Voltage (limits): 6-20V
• Clock Speed: 16 MHz
• Flash Memory: 32 KB (ATmega328) of which 0.5 KB used by boot loader
• SRAM: 2 KB
• EEPROM: 1 KB

Motors

At the moment we have 4 brushless motors with the following specs:

• KV 1600 rpm/V
• Maximum power 190 W
• Voltage 7.4 - 11.1 V
• Maximum current 17 A
• Weigths 53 g
• Shaft diameter 3 mm
• Dims 27x27x45 (mm^3)

Dimensions: 27mm x 25mm Weight: 35g KV: 1600 rpm/v Voltage: 7.4v11.1v (2s3s) Max Current: 17A Max Power: 190w Shaft: 3mm

Propellers

4 pairs of left/right-handed propellers:

• Length 8 inches (~20.32cm), Pitch 45 inches (~114.3cm), which gives a pitch ratio of 5.625
• xxx Hz optimal angular frequency
• xxx maximum thrust
• ??? moment of inertia
• (Figure) for thrust VS frequency
• other parameters (linear mass density, blade tilt etc.)

Electronic Speed Controllers

One HobbyKing 20A BlueSeries Brushless Speed Controller for each motor with the following specs:

• Current: continuous 20A, burst 30A
• Frequency at 8/16kHz
• Battery: 2-4 cell LiPo / 5-12 cell Ni-XX
• Clockwise/Anti-clockwise
• SBEC: 5V / 2A output
• Weights 18g
• Dims 33x23x6 (mm^3)
• Features: low-volt cutoff, smooth start, auto cell detect for LiPo, brake, other options

Battery packs

The old Wilco's helicopter LiPo battery:

• Charge of xxx mAh
• Discharge at xxx C
• …

Turnigy nanoTech LiPo battery:

• Type LiPo
• 2 cell at 7.4V
• Charge of 950 mAh
• Discharge rate: 25C constant, 50 burst
• Charge rate up to 5C
• Weights 46g
• Dims 71x25x14 (mm^3)

Sensors

• Accelerometers
• 3-axis
• sampling rate: xxx kHz
• resolution 9 bit (in 10-bit format)
• working voltage: 5V
• Gyroscopes
• 3-axis
• sampling rate: xxx kHz
• working voltage: 5V
• resolution: 10 bit

Frame

*Dimensions

• Material
• Aluminium: 2.7 g/cm^3
• MDF: 0.5-1.0 g/cm^3
• Carbon fiber: 1.1-3.4 g/cm^3

Other

• LEDs

• LDR

• camera