UAS/Initial BOM

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Avionics

Controller

Embedded controller: Arduino or clone.

The following as interesting and already in inventory: Arduino Decemilia, Arduino Uno, Arduino Mega 2560, Maple Mini, Maple (Rev5).

Sensors

Sensor Type Nominal Power Voltage Req Temp Ranges (C) Data Pins Required
GPS Module (LS20031) 29.000 mA 3.0 - 4.2 V
Compass & Accelerometer (LSM303DLH) 00.830 mA 2.5 - 3.3 V  ??? 2 (i2c)
Barometer (MPL115A1) 00.010 mA 2.4 - 5.5 V
3-Axis Gyro (L3G4200D) 06.100 mA 2.4 - 3.6 V -40 to +85 2 (i2c)
Sonar Range Finder (MB1000) 02.000 mA 2.5 - 5.5 V
Accelerometer (ADXL335) 00.350 mA 1.8 - 3.6 V -40 + 85 3 (analog)
  • still looking for a good altimeter, a replacement for DTED lookup

Aircraft

Airframe

The initial airframe must forgive mediocre piloting. We want docile flight characteristics combined with a rugged air frame.

Try to select a craft with spares to reduce cost of reconstruction.


These are our top candidates:

  • Radian Pro -- (YouTube) (Note the Radian Pro has AIL, FLAP, ELV, & RUD the Radian standard has only ELV & RUD only)
  • Phoenix Glider Pretty cool name... If the avionics fit into the cockpit I say go for it. (Note that we can add flaps!)
  • Bixler Looks like a good place to start. Lots of surfaces to control, plenty of room for avionics, and reasonably priced.
  • Multiplex Cularis (2.6m) available as kit or RR (Note the Easy Glider Pro, also...)


These are interesting alternatives:

Surface Control

  • Servos X 4
    • want light ones, but strong enough to control the surfaces, might need to get the craft before we order/change the servos

Comms

  • XBee PRO 900 XSC? or...?

Miscellaneous

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