LZ design FES DG P1 102 Manual Download

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FES PROPELLER MANUAL

Version 1.24

Type:

FES DG P1 102

This manual is accepted by DG Flugzeugbau as manual for the

propeller FES-DG-P1-102, if used in the DG-1001E.

Issued

(DE/EI)

LZ Design

Checked

(CVE/MPI)

Wassenaar

Approved

(HoOA/LMPL)

Dirks

Date

Oct. 2022

Date

11 .Nov. 2022 Date

16. Nov. 2022

LZ design d.o.o.

•

Brod 3D, 1370 Logatec, Slovenia

•

tel +386 59 948 898

info@lzdesign.si

•

www.front-electric-sustainer.com

Summary of Contents for FES DG P1 102

Page 1: ...manual for the propeller FES DG P1 102 if used in the DG 1001E Issued DE EI LZ Design Checked CVE MPI Wassenaar Approved HoOA LMPL Dirks Date Oct 2022 Date 11 Nov 2022 Date 16 Nov 2022 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: ...al data 5 3 Model designation 5 4 Construction 6 4 1 Certification standards 6 4 2 Construction Material 6 4 3 Surface finish 6 5 Removal of propeller blades 7 6 Installation of propeller blades 8 7 Operating instructions 10 8 Acceptable minor damages 10 9 Maintenance and repair 11 10 Shipping and storage 11 11 Revision history 11 ...

Page 3: ...but the customer shall be responsible for any transportation cost This warranty does not cover failures due to abuse misuse accident or unauthorized alterations or repairs THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED OR STATUTORY INCLUDING ANY LIABILITY ARISING UNDER ANY WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR P...

Page 4: ...safety They are subject to constant torque loads from the motor airflow and high centrifugal and bending loads A mechanical failure could cause a forced landing or create vibrations sufficiently severe to damage the glider Unusual vibrations should be investigated and fixed immediately as it could be a warning that something is wrong Please pay your attention especially to the section dealing with...

Page 5: ...rotation clockwise looking at direction of flight Operating conditions any normal environment condition 3 Model designation Propeller model designation is the following FES DG P1 102 1 2 3 4 where 1 designed for application 2 designed for specific sailplane type DG1001 e 3 model version 4 propeller diameter in cm Propeller serial number is identified as follows XXX L and R YYYY where XXX L and R s...

Page 6: ...ave very accurate profile geometry At attachment point of propeller blade is integrated hardened steel bushing with very accurate tolerance so that play is minimal Propeller hub is CNC milled part from Aluminum alloy 7075 black anodized 4 3 Surface finish High quality acrylic white paint PPG D700 is used to protect the composite body against moisture and erosion Each blade pair is sanded and polis...

Page 7: ...ove to prevent any of the small parts entering the motor if it falls through the fingers by coincidence When this happens it is usually necessary to remove and open motor which is quite demanding job so it is much easier to tape openings Flatten and remove split pin which secure M8 crown nut on each end of propeller blade attachment bolt Carefully unscrew crown nuts and remove M8 spring spacers 3 ...

Page 8: ...sing white silicon 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 Clean away any exceed amount of grease If there is too much grease it will be later spilled to inner surface of the spinner by centrifugal force so we recommend using o...

Page 9: ... is much easier to tape openings 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 so that there is some tension in spring washer which create enough friction so that bolt cannot rotate freely If there is too much tension in the forks propeller blades would not be able to open and close freely If this is the case un tight ...

Page 10: ...ck 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 If is not clear please check next chapter about acceptable minor damages check that each blade is opening and closing freely with only small friction If there is too much friction it is necessary to clean and lubricate the attachment...

Page 11: ...rylic paint When droplets of paint are dry any excessive paint need to be carefully sanded so that is in line with other surface Only qualified persons are allowed to perform such minor repair Do not repaint complete propeller blades as repainting might affect balancing of the propeller Maximum acceptable weigh difference between the propeller blades is 0 3g 2 Special control of the propeller is r...

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