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DynaVibe Classic

User Manual

Version 1-09

Aug 2015

WWW.RPXTECH.COM

Содержание DynaVibe Classic

Страница 1: ...DynaVibe Classic User Manual Version 1 09 Aug 2015 WWW RPXTECH COM...

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Страница 3: ...llation of Equipment 8 Remove Cowling 8 Mount the Accelerometer and Optical Pickup 8 Mount Reflective Tape on the Propeller 9 Using the DynaVibe 12 Attach the DynaVibe 12 Start Your Engine 13 Averagin...

Страница 4: ...re please use extreme caution Be very careful with cables and components especially on pusher type aircraft ALWAYS confirm the ignition is off before rotating the propeller Areas of this manual will h...

Страница 5: ...on causes accelerated wear and fatigue on equipment and passengers The negative effects of vibration can be reduced by dynamically balancing the aircraft s rotating assembly balancing the crank prop e...

Страница 6: ...ine Applicable procedure For aircraft or propeller manufacturers that provide procedures for dynamic balancing propeller balancing is not considered a major airframe alteration When approved aircraft...

Страница 7: ...quired There are instances where spinners have been installed in such a manner as to allow the front of the spinner to move relative to the propeller If the spinner structure has any flexibility it wi...

Страница 8: ...lugs to allow the engine to rotate freely If one blade is positioned differently from another this indicates that either the blade is bent or the installation is unacceptable Again a dynamic balancer...

Страница 9: ...y static balance weights Equipment Performance and Calibration Equipment used on certified aircraft must be inspected and calibrated The DynaVibe is available with National Institute of Standards and...

Страница 10: ...n and fuel are off prior to moving propeller CAUTION Rotate the propeller slowly to confirm clearance of all components When you add weight confirm that you have not introduced any clearance issues Co...

Страница 11: ...the engine The optical pickup should be mounted approximately six inches behind the back of the propeller The accelerometer should be mounted as far forward as possible for maximum sensitivity A commo...

Страница 12: ...ar that the optical sensor cannot obtain a reading from the tape Mount Reflective Tape on the Propeller By placing the small piece of reflective tape provided in the kit on only one propeller that pro...

Страница 13: ...the center of the tape The photo pickup is configured to pulse a small light on the back of the photo pickup When the photo pickup is correctly illuminating the reflective tape the back of the photo...

Страница 14: ...uired would be 1 9 inches Tape Length Required RPM 6 from hub center 12 from hub center 24 from hub center 500 0 2 0 4 0 8 1000 0 4 0 8 1 6 1500 0 6 1 2 2 3 2000 0 8 1 6 3 1 2500 1 1 9 3 8 3000 1 2 2...

Страница 15: ...rometer and optical pickup cables from the engine compartment The cables are keyed so look closely at the connectors before plugging them into the DynaVibe Back of DynaVibe CAUTION Verify that the are...

Страница 16: ...Vibe RPM reading is accurate relative to the displayed RPM If the RPM is erratic or incorrect this may indicate that the optical sensor is not properly in line with the reflective tape The DynaVibe wi...

Страница 17: ...engine to idle Allow the engine to run at the lower RPM for a short period of time to cool Limitations Correction weights should not be attached to a damaged or cracked spinner or spinner backplate Tr...

Страница 18: ...ght to remove from the heavy location add weight on the opposite side of the propeller indicated angle 180 For instance if the system is displaying 0 25IPS 90 this is the position of excess weight If...

Страница 19: ...likely that the readout would be 0 17IPS 90 This gives a good indication that the single washer corrected approximately 0 07IPS of vibration While this would imply that one could quickly add two addi...

Страница 20: ...er 3 16 Light washer AN960 10 0 9 Flat Washer 3 16 washer AN970 3 3 9 Flat Washer 3 16 washer AN365 1032A 2 2 Elastic Stop Nut 10 32 nut AN525 10R6 2 1 Washer Head Screw 10 32 x 3 8 screw AN525 10R7 2...

Страница 21: ...avoid corrosion under the tape Use as little tape as possible i e 1 inch strip and mount the tape inboard toward that hub so the balance is not affected by removing the mass Accelerometer Mounting Th...

Страница 22: ...s ambiguity is eliminated by simply measuring in the direction of prop rotation The engine RPM must be stable for a valid vibration reading Hold RPM as stable as possible when balancing The engine sho...

Страница 23: ...mperatures If cylinder temperatures are drastically different it may indicate bad spark plug wires fowled plugs intake leaks poor fuel distribution etc Verify that the spinner is balanced by placing i...

Страница 24: ...21 Guide to Dynamic Balancing V1 09 WWW RPXTECH COM We maintain troubleshooting and balancing tips on our website so they can be continually updated Check www rpxtech com dv tips for the latest tips...

Страница 25: ...ack 4 cowling 8 20 cracking 20 cylinder 20 Documentation 17 DynaVibe 6 12 13 14 15 FAA 3 4 5 Limitations 14 NIST 6 Pickup 8 Pitch 4 pre balance inspection 3 6 Propeller 3 4 9 14 Reflective Tape 9 serv...

Страница 26: ...To download and print this chart please visit WWW RPXTECH COM CHART...

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