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E-PROPS : quality, EASA certification, ASTM F2506-13, Service Bulletins, Service Letters



The E-Props propellers are designed, manufactured and tested to meet the requirements of the aeronautical standards.
Quality and safety are ongoing concerns for the E-PROPS company, throughout the design, procurement, manufacturing, testing and marketing of all its products.
eprops quality system
1- EASA / DGAC CERTIFICATION
2- ASTM F2506-13 (LSA)
3- SERVICE BULLETINS
4- SERVICE LETTERS

1- EASA / DGAC CERTIFICATION


At the end of 2021, E-PROPS has initiated the following procedures:
- with French DGAC, application for a Production Organization Approval (POA) according to EASA Part 21 subpart G
- with EASA, application for Type Certificates for some E-Props models suitable for use on certified aircraft
Work is in progress with the certification agencies.

E-Props propellers EASA certification


2- ASTM F2506-13 (LSA)


The E-PROPS propellers (DURANDAL & EXCALIBUR ranges) meet the ASTM F2506-13 standards, for the Light Sport Aircraft (LSA).

The ASTM F2506-13 specification covers the establishment of the minimum requirements for the design, testing, and quality assurance of fixed-pitch or ground adjustable propellers for Light Sport Aircraft. Strength testing, stress measurement, fatigue strength, and fatigue analysis, endurance testing, and teardown inspection shall be performed to meet the requirements prescribed.



3- SERVICE BULLETINS


The Service Bulletins are published by the manufacturers of aeronautical products. They are established to prevent the users of a technical problem, a novelty or an improvement of an aeronautical product, as well as to transmit a technical information concerning the use of an aeronautical product.
The Service Bulletins issued by the E-PROPS company are available hereafter.



SERVICE BULLETIN BS REF HEP-BS-20-001A
PLEASE NOTE => this recommendation only applies to E-PROPS EXCALIBUR-6 model with Rotax serie 9 on gyrocopters.

Date : 11th of January, 2020
Propellers concerned : E-Props propellers ground adjustable pitch EXCALIBUR-6 model for gyros on Rotax serie 9 (with reducer).
Service Bulletin issued after an Information Bulletin sent by DGAC : BI-01-2020.pdf

Subject : Reminder of assembly, tightening and verification instructions of hub screws on EXCALIBUR-6 propellers
Presentation of a method for checking possible ploughing effect.
Required action :
- check of assembly, tightening and verification of hub screws on EXCALIBUR-6 propellers
- check possible ploughing effect
- if ploughing effect, then E-PROPS will provide new screws (for free).
Classification : IMPERATIVE
Voir le BI Révisé de la DGAC ci-dessous.

Document (in English) : HEP-BS-20-001A.pdf


BULLETIN SERVICE BS REF HEP-BS-20-002F
PLEASE NOTE => this recommendation only applies to E-PROPS EXCALIBUR-6 model with Rotax serie 9 on gyrocopters.

Date : 21 janvier 2020
Hélices concernées : E-PROPS à pas réglable au sol modèle EXCALIBUR-6 pour autogires montées sur moteurs Rotax série 9 (avec réducteur).
Suite au Bulletin d'Information ref BI 2020-ULM-01 publié par la DGAC le 10-01-2020 et au Bulletin Service E-PROPS ref HEP-BS-20-001F publié le 11-01-2020, plusieurs propriétaires d'autogires équipés d'hélices EXCALIBUR-6 se sont mis en contact avec la société E-PROPS. Ils ont envoyé des éléments techniques sur leurs montages, ainsi que des photos.
Les investigations menées par le Bureau d'Etudes E-PROPS ont fait apparaître plusieurs non-conformités IMPORTANTES et DANGEREUSES dans des montages d'hélices E-PROPS 6-pales propulsives modèle EXCALIBUR-6 sur autogires.
Actions correctives :
E-PROPS recommande à tous les utilisateurs d'hélices E-PROPS 6-pales propulsives EXCALIBUR-6 montées sur autogires de vérifier très soigneusement le système de fixation de leur hélice à l'aide des informations communiquées dans le présent document et dans le Manuel de Montage et d'Entretien des hélices E-PROPS.
Si les vis, les espaceurs, le montage ou le serrage ne semblent pas conformes, ne volez pas avec votre autogire et contactez immédiatement E-PROPS.
Classement : IMPERATIF
==> Voir le BI Révisé de la DGAC ci-dessous.

Document (in French): HEP-BS-20-002F.pdf
E-PROPS
BULLETIN d'INFORMATION DGAC REF BI 2020-ULM-01 Révision 1
PLEASE NOTE => this recommendation only applies to E-PROPS EXCALIBUR-6 model with Rotax serie 9 on gyrocopters.
The propellers were expertised by the DGA and the E-PROPS EXCALIBUR-6 propellers were cleared.

This document, written and signed by the French Aviation Department states:
- no [Excalibur-6] propeller manufacturing defects or structural weaknesses were found
- the most likely cause of the partial disassociations is a failure to follow the assembly, tightening and inspection instructions published by E-Props


Document (in French): BULLETIN d'INFORMATION DGAC REF BI 2020-ULM-01 Révision 1



E-PROPS EXC-6
Article in the French magazine ULMag dated 2021-12-10

E-PROPS EXC-6
ULM Info (FFPLUM newsletter) April 2022



4- SERVICE LETTERS


A Service Letter is issued to draw attention to an information.

- Change of part numbering system - Durandal Series - 02-03-2022





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E-PROPS DETAILS - CONTACT
The E-PROPS PROPELLERS Company
195, Route de l'Aviation
ZI Aérodrome de Sisteron
04200 VAUMEILH - France
Phone : +33 4 92 34 00 00
Phone reception opened from Monday to Friday
From 10 to 12 a.m and 2 to 4 p.m
The best way to reach us is by email : helices@e-props.fr

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