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Cobra II

2-Channel Vibration & Balancing Analyzer

Helicopter Track & Balance

 

track and balance solution

Vibration Analysis

 

vibration analysis results

The COBRA II dual channel vibration analyzer is a versatile yet compact instrument that combines all of the diverse technologies required for high-end engine vibration analysis, rotor track and balance, and propeller balance into one tool. With the Cobra II, all of these maintenance functions can be easily performed on virtually any airframe and engine type, such as a 2-propeller helicopter.

LARGE FULL-COLOR SCREEN

The COBRA II has a large, high-resolution, transmissive, full-color display with a super-bright LED backlight that can be easily viewed in direct sunlight.

PDF REPORTING

Generate PDF reports directly from the analyzer and store on a USB flash drive to be printed or saved in a separate location to retain accurate maintenance records.

PORTABLE CONVENIENCE

Data storage, transfer, display and analysis is independent of any proprietary software and a PC interface. Application notes and eSetups are now available to download directly to the analyzer via the web.

SOLUTIONS GENERATED

The compact COBRA II dual channel analyzer provides accurate solutions in the minimum number of runs, saving costly run time and fuel. Our solutions are extremely valuable tools that are not offered in similar vibration analysis and balancing instruments as a standard feature for this market.

Contact Your Sales Rep
Cobra II vibration analyzer

Cobra II propeller balance kit

Everything You Need to Get Started Today!

 

Print Brochure

Ken Miller

"...[balancing of the Bell Jet Ranger 206B3] was accomplished with one-third of the test flights that other systems required..."

Sgt. Ken Miller, Nebraska State Patrol

Joe Landers

"...I have found the ACES Systems Model 2020 ProBalancer to be a very reliable piece of equipment.  It has an easy installation, it's easy to use and understand, not to mention that it's been a real time-saver.  It is not uncommon to have the Robinson R22 and R44 helicopters balanced to .02 IPS.  That's quite impressive!"

Joe Landers, President

Midwest Rotor & Wing, LLC

Vandalia, OH

Dave Parizo

"...using another system, it took over 20 cycles and two days to track and balance our MD500D.  Since purchasing the Model 2020 (ProBalancer), we have properly balanced our MD500D in 5 cycles, and it took less than one day."

Dave Parizo, Director of Maintenance

Scibelli Helicopters Inc.

Southwick, MA

Andy Danovaro

"I feel you get much more than you would for equipment that is more expensive."

Andy Danovaro

Pass Time Aviation

(formerly Agusta Aerospace Corp. Field Representative)

Auburn, CA

Mike James

Just keep building the best product out there and it sells itself.

Mike James
Vail Valley Jet Center

Dick Gutmann

The equipment is so easy to use that we figured out how to use the equipment and successfully did the necessary job (TFE731 vibration survey).

Dick Gutmann, Chief Inspector

Aero Air

Dave Nixon

An unanticipated bonus of this equipment...paid for itself with this usage alone (AStar, Citation SII, and Challenger 601).

Dave Nixon, Chief Aircraft Mechanic

Landry's Seafood Restaurants

Our Sales Team is Ready to Answer Your Questions and Provide You with a Quote!

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  • Large full-color screen
  • PDF Reporting
  • Portable Convenience
  • Solutions Generated
  • Industry-Unique, no-cost, 5-year warranty
Click to View Cobra II
Propeller Balance Screens

 

Click to View Cobra II
Tail Rotor Balance Screens
Click to View Cobra II
Main Rotor Track & Balance Screens

 

Vibration Input: 9.5V Pk-Pk, 0 to 240 IPS Peak with 20 mV per IPS sensor
Sensor Types: Accepts any vibration signal input (acceleration, velocity, displacement) and any voltage generating sensor.  External charge amplifier required for charge mode.
Vibration Amplitude Accuracy: ±1% across frequency range
Frequency Range: selectable up to 30kHz (1,800,000 RPM)
Tachometer Inputs: Better than 1 degree phase accuracy 60 to 10,000 RPM
Display: 7″ Day/Night Readable Color LCD Display with Superbright LED Backlight
Memory: 1 GB Flash
Dimensions: 10.5 inches wide, 9.75 inches long, 5 inches deep
Weight: Approximately 6.0 pounds (2.8 kilos)
Power Requirements: Smart Li-Ion Battery (Internal), 87 Wh
Operating Time: 8.0 hours
Charging Time: 3.0 Hours (approximately)
Vibration Channels: 4 ea.
Tach / Mag Pickup: 4 ea.
Trax Optical Tracker 1 ea.
Strobe: 1 ea.
USB Port: 2 ea.
Phase Accuracy: <1°
Balance Frequency: 60-10,000 RPM,± 0.2%
Vibration Freq Range: 0-30 kHz
Vibration Amplitude: 0-240 IPS (peak), 20 mV / IPS
Dynamic Range: 98dB
Operating Temperature: -4° to 120° F (-20° to +49°C)
Relative Humidity: 10-85% (non-condensing)
AC Input: The data acquisition system is capable of measuring AC values to 9.5V Peak-Peak.
Sensor Types: The analyzer will accept any vibration signal input (acceleration, velocity, or displacement.) The input is then displayed as collected or integrated to any other vibration unit. The vibration input will accept any voltage -generating sensor
(must have external charge converter when in charge mode) and will supply power to the sensor when required. The Cobra II only accepts acceleration or velocity inputs.
Analysis Range: Anti-aliasing filters are used with a Fast Fourier Transform (FFT) to accurately transform data from the time to the frequency domain. The analyzer will perform FFT resolutions of 100, 200, 400, 800, 1600, and 3200 lines.

*Subject to change without notice

  • Propeller Balance
  • Main Rotor Track & Balance
  • Tail Rotor Balance
  • Overall Vibration Survey
  • Vibration Spectrum Survey