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ACES Systems - Simple Solutions to Complex Aviation Vibration Problems

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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 airplane.

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!

 

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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

Travis Martin

"The Cobra II is a great system! I used it only 2 days after receiving it the first week of September '21 and was able to successfully complete a dynamic balance in one shot. Needing just the initial reading run and the adjustment run. Fantastic, smart system. I've used two times since with superb results. And ability to make the reports and put them on the usb flash for easy printing or distribution, excellent. Now I just need some extra time to read and figure out the rest of the bells and whistles a little more. Thanks to all @ ACES for the great system and as always awesome support."

Travis Martin

Engineering Technician

McCauley Propeller Systems

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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

18-Cobra-II-Propeller-Balance-Create-Report-Screen
1-Cobra-II-Main-Menu
2-Cobra-II-Main-Menu-Night-Mode
3-Cobra-II-Propeller-Balance-Setup-Screen
4-Cobra-II-Job-Identification-Screen
5-Cobra-II-Engine-Information-Screen
6-Cobra-II-Propeller-Balance-Connect-Sensors-Screen
7-Cobra-II-Propeller-Balance-Start-Aircraft-Screen
8-Cobra-II-Propeller-Balance-Set-Engine-Speed-Screen
9-Cobra-II-Propeller-Balance-Run-1-Acquire-Data-Screen
10-Cobra-II-Propeller-Balance-Run-2-Acquire-Data-Polar-Chart-Screen
11-Cobra-II-Propeller-Balance-Run-1-Balance-Solution-Screen
12-Cobra-II-Propeller-Balance-Record-Split-Weights-Screen
13-Cobra-II-Propeller-Balance-Set-Split-Weights-Screen
14-Cobra-II-Propeller-Balance-Review-Polar-Screen
15-Cobra-II-Propeller-Balance-Vibration-Summary-Screen
16-Cobra-II-Propeller-Balance-Permanent-Weight-Calculator-Screen
17-Cobra-II-Propeller-Balance-Permanent-Weight-Placement-Screen

 

Click to View Cobra II
Tail Rotor Balance Screens
Cobra-II-Tail-Rotor-Connect-Sensors
Cobra-II-Tail-Rotor-Balance-Status
Cobra-II-Tail-Rotor-Start-Job
Cobra-II-Tail-Rotor-Setup-List
Cobra-II-Tail-Rotor-Setup
Cobra-II-Tail-Rotor-Run-3-Review
Cobra-II-Tail-Rotor-Run-2-Start-Aircraft
Cobra-II-Tail-Rotor-Run-2-Review
Cobra-II-Tail-Rotor-Run-2-Polar
Cobra-II-Tail-Rotor-Run-1-Weights
Cobra-II-Tail-Rotor-Run-1-Start-Aircraft
Cobra-II-Tail-Rotor-Run-1-Polar
Cobra-II-Tail-Rotor-Review-Run-1
Cobra-II-Tail-Rotor-Main-Menu-Night
Cobra-II-Tail-Rotor-Main-Menu-Day
Cobra-II-Tail-Rotor-Job-ID
Cobra-II-Tail-Rotor-Creating-Report
Cobra-II-Tail-Rotor-Create-Job-Report
Click to View Cobra II
Main Rotor Track & Balance Screens

Cobra-II-Main-Rotor-Adjustment-Symbol-Logic
Cobra-II-Main-Rotor-Transfer-Reports
Cobra-II-Main-Rotor-Tracking-Selections
Cobra-II-Main-Rotor-Setup-List
Cobra-II-Main-Rotor-Setup
Cobra-II-Main-Rotor-Select-Condition
Cobra-II-Main-Rotor-Run-4-Suggested-Adjustments
Cobra-II-Main-Rotor-Run-4-Select-Adjustment
Cobra-II-Main-Rotor-Run-3-Suggested-Adjustments
Cobra-II-Main-Rotor-Run-3-Review
Cobra-II-Main-Rotor-Run-2-Suggested-Adjustments
Cobra-II-Main-Rotor-Run-2-Select-Adjustment
Cobra-II-Main-Rotor-Run-2-Review
Cobra-II-Main-Rotor-Run-1-Suggested-Adjustments
Cobra-II-Main-Rotor-Run-1-Start-Aircraft
Cobra-II-Main-Rotor-Run-1-Select-Adjustment
Cobra-II-Main-Rotor-Run-1-Review-Data
Cobra-II-Main-Rotor-Run-1-Condition-Ground-Polar
Cobra-II-Main-Rotor-Run-1-Condition-Ground
Cobra-II-Main-Rotor-Main-Menu-Night
Cobra-II-Main-Rotor-Main-Menu-Day
Cobra-II-Main-Rotor-Jobs-Manage-Jobs
Cobra-II-Main-Rotor-Job-Setup
Cobra-II-Main-Rotor-Jobs-Create-Report
Cobra-II-Main-Rotor-Job-Complete
Cobra-II-Main-Rotor-Creating-Report
Cobra-II-Main-Rotor-Connect-Sensors
Cobra-II-Main-Rotor-Conditions-Setup
Cobra-II-Main-Rotor-Chart-Setup-Vertical-LDown-Regular
Cobra-II-Main-Rotor-Chart-Setup-Vert-Cruise-Regular
Cobra-II-Main-Rotor-Chart-Setup-Lat-Hover-Irregular
Cobra-II-Main-Rotor-Chart-Setup-Ground
Cobra-II-Main-Rotor-Aim-Fire-Tracker

 

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: 2 ea.
Tach / Mag Pickup: 2 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
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