Advertisement

Quick Links

Manual
for Propeller Type
H25F
Propeller Type:
Propeller Serial No.:
Date of Sale:
Seal and Signature of Manufacturer:

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the H25F and is the answer not in the manual?

Questions and answers

Summary of Contents for HELIX H25F

  • Page 1 Manual for Propeller Type H25F Propeller Type: Propeller Serial No.: Date of Sale: Seal and Signature of Manufacturer:...
  • Page 2: Table Of Contents

    Index List of Modifications ....................3 Description ......................4 Specification of Propeller Type ................5 Operating Limitations ................... 6 Installation ......................7 Pre-Flight Checks ....................9 Maintenance ......................9 Warranty ......................10 Manual H25F page 2 / 10 Ausgabe 13.11.2018...
  • Page 3: List Of Modifications

    Torque; bolt retaining device Thickness of pressure plate 5 Installation 13.11.2015 3 Specification of propeller type New overview 4 Operating Limitations Supplement 01.10.2018 diameter 1,60m up to 1,80m 4 Operating Limitations Supplement 13.11.2018 Versions A5+A6 Manual H25F page 3 / 10 Ausgabe 13.11.2018...
  • Page 4: Description

    Description HELIX propellers have been built since 1990 using composite materials such as carbon fibre, epoxy-resin, epoxy resin foam and aluminium. This combination of materials provides: - High Thrust - Low Noise - Durability Figure 1 and 2: 2-blade and 3-blade propeller of type H30F The propeller blades are made from several layers of woven carbon fibre, reinforced with different sorts of carbon fibre tapes.
  • Page 5: Specification Of Propeller Type

    S = Straight shape with small profile-depth and -thickness Fixpitch in [°] (degree) Number of Blades Customer Specific Modifications Table 1: Specification of the Propeller Type Structure of the Helix Propeller Name Manual H25F page 5 / 10 Ausgabe 13.11.2018...
  • Page 6: Operating Limitations

    HELIX Propellers are constructed for giving thrust to aircrafts with an engine output of between 1 and 100 kW using 2-stroke, 4-stroke, rotary- or electric engine. The operating limitations for the here described propeller types of H25F as 2-, 3- and 4-Blade-Version in clockwise and anti-clockwise rotation are for diameters from <1,00m to 1,40m.
  • Page 7: Installation

    Blades have to be opposite! Warning: At this point it has to be checked that the tailing edge of all Blades is in right position in turning direction – backside aligned. Manual H25F page 7 / 10 Ausgabe 13.11.2018...
  • Page 8 - for propeller flanges with through holes self locking nuts can be used - if the first alternatives are not possible loctite 243 can be used instead After 3 working hours the mounting of the propeller has to be checked and the screws retightened. Manual H25F page 8 / 10 Ausgabe 13.11.2018...
  • Page 9: Pre-Flight Checks

    Annually, the propeller should be polished professionally. It is recommended that this is carried out by a respected coachbuilder or similar facility. Manual H25F page 9 / 10 Ausgabe 13.11.2018...
  • Page 10: Warranty

    Warranty HELIX Carbon GmbH warrants the propeller for two years from the date of purchase (according to European law). The guarantee covers material defects but does not cover subsequent losses. The operator flying with this propeller does so at his/her own risk.

Table of Contents