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300 Series Products

Overview

The 300 series of soaring instruments is the ultimate modular, upgradeable soaring instrument family.  It offers a multitude of features in a very small package.  Below is a quick summary of the product family:

  • 302 Direct Digital Variometer with Integral GPS and IGC Approved Flight Logger
    Direct Digital Variometer with audio and averager, Speed-to-fly director, Digital altimeter, Airspeed sensors, Outside air temperature probe, Inputs from landing gear and airbrakes provide a audible warnings for when the airbrakes are open on takeoff, and when the airbrakes are deployed while landing gear is raised, integral GPS receiver and IGC approved flight logger, provides 5 VDC output with enough current to power any Pocket PC.
  • 302A Flight Recorder - Similar to a 302 but with the vario and airspeed inputs removed.  Great flight recorder.  Works well with the 303 as well.
  • 303 Navigational Display
    When used with a 302 or 302A it offers easy-to-use navigational directions (turn arrows), final glide (302 only), wind speed and direction (302 only) tasks, pilot and polar editing,
  • 306 Vario Repeater
    Designed for use in two-seat gliders.  It displays the same information found on the connected 302.

Related Pages


302 Direct Digital Variometer with GPS and IGC Approved Flight Logger

Overview
The 302 DDV is the ultimate soaring instrument.  It offers a multitude of features in a very small package.  The 302 is an extremely fast and sensitive variometer with audio and averager, an altimeter, a speed-to-fly director, a GPS with integral IGC approved flight logger, and much more. 

Overview Video
If a picture is worth a thousand words, then a video with sound must be worth a million.  Below is a 13 minute overview of the Cambridge 300 Series Soaring Flight Instruments.  It allows you to see and hear all the functions of the 302.  It is a great way to see if it is the right vario for your glider.  Or, if you already own one, it is a good refresher course on how to use it.  If you find it useful then please buy from me. 

Cambridge 300 Series Overview Video
To play the video click twice on the "Play" button below.
Also available at higher resolution at vimeo.

Features

  • Variometer with fast analog display needle
  • Speed-to-fly director
  • GPS receiver with remote antenna
  • IGC approved flight logger (100 hours @ 4 second intervals)
  • 1500 waypoints
  • Audio output for vario, speed-to-fly and alarms
  • Vario average display
  • Audible warnings for “airbrakes open” and “gear up”
  • 5 VDC output to power any Pocket PC
  • Simple user interface with a single knob - rotate/push
  • Accurate wind speed and direction using GPS and airspeed data
  • Very small package size 2.5x2.5x6” (64x64x153 mm)
  • Fits small 2.25” (57 mm) instrument hole
  • Transfer flight logs using a Pocket PC or PC

302 Dimensions
Size: 64mm x 64mm x 153mm (2.5" x 2.5" x 6")
Weight:         15.2 oz (431 g)
Supply Voltage: 12-14 VDC
Current:         300 to 360 mA, depending on audio output

Models (select model when placing order):

  • CAF 302E, DDV and Flight Recorder, Knots
  • CAF 302M, DDV and Flight Recorder, Meters
  • CAF 302E MG, DDV and Flight Recorder, Knots, with noise level recording for motorgliders, +$20
  • CAF 302M MG, DDV and Flight Recorder, Meters, with noise level recording for motorgliders, +$20

The 302 Direct Digital Variometer with GPS and Flight Recorder comes complete with the following accessories:

  • HA 435 GPS Antenna
  • CAA 114, Standard Power Cable with 10 terminal power and input screw terminal and 6 terminal input ground screw terminal
  • CAA 115, Outside Air Temperature Probe
  • CAA 116 Spare Power Cable with one 10 terminal power and input screw terminal
  • HA 349, Serial Data Cable
  • Accessory kit with:
    • TL 001 Screwdriver
    • HA 100, Three "tee" tubing connectors
    • HA 101, Three straight tubing connectors
    • 15 wire ties
  • SA 044, 1 Meter of rubber instrument tubing
  • MA 012, Laminated Operators Card
  • MA 013, User's Guide Manual
  • MA 014, 302 software CD
  • Barograph calibration certificate
  • CAF 031, Remote Speaker (for motorglider version only)

Options (select when placing order):

  • Glide Navigator II Soaring Software for Pocket PC, $149
  • CAF 303, 303 LCD Navigation Display with final glide, $395
  • CAF 306, 306 Vario Repeater for Two-Seat Gliders, $525
  • CAA 117, NIMH Reserve Battery, $95
  • CAA 119, 80 mm Adapter Kit, Allows the installation of the 302 in an 80 mm Panel cut-out, $22

Cambridge Aero Instruments 302 with 303 LCD Navigation Display
This system is great in regard to simplicity and ease of use.  It avoids the complexity of having a Pocket PC in the cockpit.  It is great for syndicates because data for multiple pilots can be stored and edited using the 303.  The 302 displays vario and speed-to-fly information and the 303 is used for navigation, task editing and declarations.  It also displays final glide information.  The integral GPS and logger are IGC Approved for all types of soaring accomplishments.

Example System with 302 and 303
302 303 LCD Display

Total Price: $2,770


Cambridge Aero Instruments 302 with LX Navigation LX7000DU-CAI Navigation Display
This may be the ultimate "Non-Pocket PC" system.  Some pilots don't like using Pocket PCs in the cockpit because they are complex and somewhat difficult to read in sunlight.  The system is full featured. The 302 displays vario, speed-to-fly and vario average.  The LX7000DU-IGC displays waypoints, moving map, special use airspace, Turnpoint Areas, final glide, tasks, etc.  The LX7000DU-CAI can send task declarations to the flight recorder in the 302.  The 302's integral GPS and logger are IGC Approved for all types of soaring accomplishments.  This is a very powerful and user configurable system.

Example System with 302 and LX7000DU-CAI
LX7000DU-CAI with 302

Total Price: $4070


Cambridge Aero Instruments 302 System with Pocket PC and Soaring Flight Software
This system is fantastic.  The 302 displays vario and speed-to-fly information and the Pocket PC is used for navigation, task editing and declarations.  It also displays final glide information with reachable airports highlighted on the moving map.  The integral GPS and logger are IGC Approved for all types of soaring accomplishments.

Example System with 302 and PDA with Soaring Flight Software
302 Nimbus Cradle with
GNeck2-Assy-Panel-DB-9
iPAQ hx2190
Pocket PC
Soaring Flight Software

 

Total Price of all the components: $3126.85


302 Series Training Presentation
This presentation was created for 302 training at the SSA Convention in 2007.  It gives an overview of all the 300 series products as well as tips for each product. 
Cambridge 302 Training.pdf

Software Utilities and Firmware Upgrades
Software utilities used to upload setup data to the 302 and download flight logs from the 302 are available on the Cambridge Aero Instruments web page at: http://www.cambridge-aero.com/300series.htm

Manuals
Manuals for all Cambridge Aero Instruments products are available on the Cambridge Aero Instruments web page at: http://www.cambridge-aero.com/manuals.htm

300 Utility
The 300 Utility is used to download flight logs, upload waypoints and adjust 302 and 302A setup parameters.  It is available in versions for the PC and Pocket PC.  Firmware update software is also available here.  The files are available near the bottom of the page.
http://www.cambridge-aero.com/300series.htm 

Waypoint
Data Files
Cambridge Aero Instruments 302, 303 and GPS-NAV products all use the same waypoint data file format. Glide Navigator II also uses the same files.  Waypoint data files are available from John Leibacher's Worldwide Soaring Turnpoint Exchange.


Paul E. Remde

8661 Connelly Place
Savage, Minnesota 55378
USA


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