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Dwg. 56201-2

APPENDIX C

APPENDIX C

LIFT TRANSDUCER ADJUSTMENT BASED ON INDICATION

NOTE:

This chart is included as a guide for the suggested movement of the Lift Transducer mounting
plate based on the Indexer Computer indication during the initial flight check.

Move Lift Transducer 1/4”
up.

Move Lift Transducer 1/8”
up.

No adjustment required.

Move Lift Transducer 1/8’’
aft.

Move Lift Transducer 1/4’’
aft.

Содержание SCc Angle of Attack

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Страница 3: ...ietary rights No data contained herein may be duplicated used or disclosed in whole or in part for any purpose without the express written permission of Safe Flight Instrument Corporation Safe Flight...

Страница 4: ...5 System Wiring 13 2 6 Lift Transducer Installation 13 2 7 Ground Functional Test 13 Flight Check and Adjustment 14 3 0 3 1 Background 14 3 2 Transducer Location Verification Flight 14 3 3 In Flight...

Страница 5: ...56201 2 TABLE OF CONTENTS continued Para Description Page None Appendices 24 Appendix A Method to Determine Lift Transducer Placement Appendix B Flight Check Data Appendix C Lift Transducer Adjustmen...

Страница 6: ...onal conditions including normal and short field takeoff Best Rate Vy and Best Angle Vx of climb wind compensated Long Range Cruise LRC maximum endurance normal and short field runway performance and...

Страница 7: ...ale 3704 160 1 1 Table 3 Standard Hardware Needed Description Part Number Quantity Needed Flat Head 100 deg 6 32x1 2 MS34693 C28 3 Pan Head 6 32x1 2 MS51957 30 5 Nut blind rivet NAS1329A06 75 4 For al...

Страница 8: ...oint forward UP increasing AoA moves it aft DOWN as shown below At a maximum aft position wing lift rapidly decreases which is the AoA at which the stall occurs In the Aircraft Flight Manual AFM or Pi...

Страница 9: ...pproved for the aircraft models listed Cessna 172 182 and 206 Limitations 1 5 1 5 1 The Safe Flight SCc System is non required and is to be used only as advisory information to the pilot The system ca...

Страница 10: ...oid any interference The Lift Transducer is to be mounted initially at 1 chord Use the method described in Appendix A to determine the proper location for mounting the Lift Transducer Place a mark on...

Страница 11: ...e best viewing angle for the pilot The Indexer Computer should NOT interfere with the pilot s view of the primary flight instruments or view outside of the aircraft or cause distraction The Backup Dis...

Страница 12: ...puter Install the Ball Assembly through the Cover into the Indexer Computer Rotate the screw in the Ball Assembly until the ball is captured securely by the threaded insert on Indexer Computer The ste...

Страница 13: ...mbly Locking the cover exercises the locking rings on the Base Assembly requiring greater force to move the Indexer Computer Placard system AoA not for use as a primary flight instrument using the lab...

Страница 14: ...ucer using two screws in the vertical slotted holes on the mounting plate Ground Functional Test 2 7 The Lift Transducer vane should move freely in both directions with no resistance With the electric...

Страница 15: ...Low Airspeed Awareness data points Once the Lift Transducer is installed in the correct location the system is ready for in flight calibration Transducer Location Verification Flight 3 2 Using the POH...

Страница 16: ...ystem is recording data for five seconds If the calibration is successful the green ON SPEED indication will change to solid non flashing If the calibration is unsuccessful the Indexer Computer will r...

Страница 17: ...as been calibrated mark the center of the horizontal slots on the Lift Transducer mounting plate Disconnect the wiring and remove the Lift Transducer from the wing Install rivet nuts or equivalent in...

Страница 18: ...it Serial Number 3 Unit Software Revision 4 Fault Code which LEDs are illuminated on the Indexer Label on Indexer Computer Typical The Part Number Serial Number and Software Revision can be found on t...

Страница 19: ...in flight consult the POH AFM NOTE The SCc System is accurate in the on speed calibrated region 5 knots for the Landing Approach indication NOTE System Display 5 2 System Display Pre Flight Ground Che...

Страница 20: ...WN of the display 5 4 2 Audio Mute 5 4 2 1 Normal operation is with the LAA audio active unmuted To mute the LAA audio press and hold the top button for 4 seconds After 4 seconds you will hear a beep...

Страница 21: ...irspeed for a Short Field Takeoff After rotation climb out using airspeed as the primary indication The Indexer Computer when flying using the Short Field Obstacle Clearance Takeoff will have the indi...

Страница 22: ...OH for the required speed AoA bias to be applied to the SCc for your aircraft NOTE Long Range Cruise Indications Compensated for Wind Typical Maximum Endurance Fly the aircraft at the speed and attitu...

Страница 23: ...ay on the Indexer Computer An overspeed approach is indicated by the illumination of the green LEDs below the ON SPEED low AoA condition towards the FAST side of the display on the Indexer Computer Th...

Страница 24: ...dio wired into the aircraft audio panel and or pilot headset Prior to the stall warning horn sounding the LAA audio will begin when two amber LEDs are illuminated and will increase in frequency as the...

Страница 25: ...Page 24 of 28 Sym Dwg 56201 2 APPENDICES Appendix A Method to Determine Lift Transducer Placement Appendix B Flight Check Data Appendix C Lift Transducer Adjustment Based on Indication...

Страница 26: ...gth must be measured at this position To do this drop plumb lines off the leading and trailing edge of the wing flaps up at the selected spanwise location x and y Level the aircraft Once the aircraft...

Страница 27: ...el Weight Empty Airplane Weight Total Weight Stall Warning Speed Flap Down Landing Approach Power kts IAS Performed flight check in accordance with installation instructions and FAR91 407 b Signature...

Страница 28: ...is included as a guide for the suggested movement of the Lift Transducer mounting plate based on the Indexer Computer indication during the initial flight check Move Lift Transducer 1 4 up Move Lift T...

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