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LZ design FES-DIA-P1-102 Manual

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FES PROPELLER MANUAL
Version 1.2
FES-DIA-P1-102
Type:
LZ design d.o.o.,  Brod 3D, 1370 Logatec, Slovenia  tel +386 59 948 898
info@lzdesign.si
www.front-electric-sustainer.com

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Summary of Contents for LZ design FES-DIA-P1-102

  • Page 1 FES PROPELLER MANUAL Version 1.2 FES-DIA-P1-102 Type: LZ design d.o.o.,  Brod 3D, 1370 Logatec, Slovenia  tel +386 59 948 898 info@lzdesign.si  www.front-electric-sustainer.com...

  • Page 2: Table Of Contents

    FES Propeller Manual, Version 1.2 January 2023 Table of Content 1. Important notices ..................... 3 1.1 Limited Warranty ....................3 2. Technical data ......................5 3. Model designation ....................5 4. Construction ......................6 4.1 Certification standards ..................6 4.2 Construction Material ................... 6 4.3 Surface finish ......................

  • Page 3: Important Notices

    This product is warranted to be free from defects in materials or workmanship for two years from the date of purchase. Within this period, LZ design will, at its sole option, repair or replace any components that fail in normal use. Such repairs or replacement will be made at no charge to the customer for parts and labor, but the customer shall be responsible for any transportation cost.
  • Page 4 FES Propeller Manual, Version 1.2 January 2023 Warning! Users of FES powered sailplanes should recognize that various types of risks are involved, and they should take all precautions to minimize them, since they cannot be eliminated entirely. The propeller blades are one of the most critical parts of powered sailplane, having vital importance to the flight safety.

  • Page 5: Technical Data

    FES Propeller Manual, Version 1.2 January 2023 2. Technical data FES propeller is assembly of foldable, fixed pitch composite propeller blades which are mounted on special hub with attachment bolts at certain angle. Number of propeller blades Maximum power on a propeller shaft 30 kW Maximum rotational speed 5300 RPM...

  • Page 6: Construction

    January 2023 4. Construction 4.1 Certification standards Propeller type FES-DIA-P1-102 described here is designed and tested according to CS 22 Subpart J. This manual is intended to comply with CS‐22.1903, providing the essential information for installing, servicing, and maintaining the propeller.

  • Page 7: Removal Of Propeller Blades

    1. Check that marking on the labels, which are located on the lower inner surface of propeller blades, confirms the correct type of propeller blades. For Diana 2 FES, proper propeller type is FES-DIA-P1-102. One blade is marked as A and the other one is marked as B.
  • Page 8 FES Propeller Manual, Version 1.2 January 2023 3. Before inserting the bolts, lubricate the shaft of the bolts with thin layer of grease. We recommend using PTFE grease (use only clean grease, from closed tube). Then insert such lubricated bolts to each propeller blades bushing, from each side, so that thin film of the grease will be also transferred to inner surface of bushing.
  • Page 9 FES Propeller Manual, Version 1.2 January 2023 6. Place M8 Inox spring washer to the threaded side of a bolt, and then a crown nut M8. Tighten the crown nut with key number 13 (while holding bolt head in position with another key number 13), so that tension in spring washer create enough friction that bolt can not rotate freely.

  • Page 10: Operating Instructions

    FES Propeller Manual, Version 1.2 January 2023 7. Operating instructions To ensure reliability and safety of the propeller, preflight check of the propeller should be done before each flight by the pilot/owner: - remove protection fluorescent fabric cover - make sure that propeller surfaces are clean before each flight. Propeller full of bugs is less efficient and in worst case they can even increase level of vibrations.

  • Page 11: Maintenance And Repair

    FES Propeller Manual, Version 1.2 January 2023 9. Maintenance and repair 1. Periodic control of propeller is required after every 50 hours of motor run or after 12 months, whatever comes first, by air-worthiness controller: - check visually the leading and trailing edge at the root. If there are visible any cracks or other major damages, please contact manufacturer for advice before next flight.

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