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ISO 9001: 2015 
TCDS EASA: EASA P.038 
Part 21G EASA: FR.21G.0273

 

Certified FLASH-R 

 

 

 

 

15/27 

 Setting of the propeller & Finalization of the installation  

5.3.

 

At this point, the propeller is installed on your aircraft with the spinner  mounting 
plate. 
 
If  the  propeller  is  already 

assembled  and  the  blades  angle  set

,  pass  directly 

S

TEP 

7

.  

 
Otherwise, follow all the steps below to 

adjust the pitch angle

 before the final 

tightening of the screws. 
 
 
A reminder of the definition of the airfoil and its vocabulary is presented in annex 
Erreur ! Source du renvoi introuvable.

 

 
 
 

S

TEP 

1. 

 

 

Side view 

 

Front view 

 
 

For the setting, the concerned blade must be

 place in horizontal position. 

 

The setting is done with the adjusting tool flatten against the intrados (leading edge up) at 

25 cm from the blade tip

The angle of attack is formed by the 

vertical and the intrados of the blade

 
To do this, place your aircraft horizontally, so that the propeller mounting flange is perfectly vertical. 
 
Check with the level of the adjustment tool (measured value = 

90°

). 

If unable to change the longitudinal axis of the 

aircraft, raising the value of the 

X

 angle propeller shaft plate to subtract the value of the blade angle to be 

resolved. 

 

 

 

 

 

90°

 

Propeller-
shaft plate 
 

 

90° 

(90° - X) 

25 cm 

Summary of Contents for FLASH-R

Page 1: ...tte Edouard DURAND 69620 FRONTENAS FRANCE Phone 33 0 4 74 72 12 69 E mail contact duc helices com ISO 9001 2015 TC EASA EASA P 038 Part 21G EASA FR 21G 0273 DH_FSH R_BE_04_A Made in France 06 05 2019 Instruction manual 3 blade propeller Certified FLASH R ...

Page 2: ...s company the latest version being valid applicable to the propeller Revision update Date Index Object of modification 09 05 2019 A Creation Every amendment in this document made for the latest revision will appear in dark red Identification form Date Delivery note n Owner Engine Gearbox ratio Aircraft 1 st recommended pitch blade angle Notes ...

Page 3: ...ropeller 10 Assembly of the propeller 10 5 1 Installation on the aircraft 12 5 2 Setting of the propeller Finalization of the installation 15 5 3 6 Precautions 18 7 Continuing airworthiness 19 Airworthiness limitations 19 7 1 Schedule of propeller check 19 7 2 Regular maintenance by the user 20 7 3 Maintenance of 100 hours or yearly maintenance 21 7 4 Impact location on the blade carbon surface 22...

Page 4: ...ices company technologies from unidirectional layers of carbon fibers prepreg epoxy resin The blade composite structure is defined to obtain the maximum strength in torsion and bending Therefore constant speed effect is not related to deformation of the blade but its geometry and specific profile Due to its specific geometric definition excellent performance is obtained in both aerodynamic and aco...

Page 5: ...nd adaptor the P C D fixation of the propeller Spinner available in diameter Ø250mm Ø9 8 to Ø340mm Ø14 4 Adjusting tool for the setting of the pitch angle of the blades Neoprene cover protection of the blade Cleaning treatment for composite propellers Save money A clean propeller is more efficient and decreases the fuel consumption Sales references 1 5 Designation Reference Part number Three blade...

Page 6: ...ned by flight test on each engine If necessary this setting should be adjusted according to the aircraft For proper use of the propeller refer to section 7 Continuing airworthiness 3 Installation precautions WARNING Make sure the ignition is turned off before starting any type of operation on the propeller Do not run the engine without propeller engine damage will result IMPORTANT The blades of a ...

Page 7: ... X with spacer X with adaptor spacer X X Exploded view for propeller 4 2 Remark This exploded view shows the principle of the certified FLASH R propeller assembly The size of all of these components changes depending on the configuration of the propeller diameter hole of the metallic inserts of the half hub length of the screws Inconel FLASH R blade right x3 Screws washers for hub assembly x6 Hub ...

Page 8: ... spacer 80mm X E SAE1AN6 80 SAE1 AN6 adaptor spacer 100mm X E SAE1AN6 100 SAE2 AN6 adaptor spacer 30mm X E SAE2AN6 30 SAE2 AN7 adaptor spacer 90mm X E SAE2AN7 90 SAE2 AN7 adaptor spacer 100mm X E SAE2AN7 100 SAE2 AN8 adaptor spacer 30mm X E SAE2AN8 30 Dowel spacer DUC Ø17 AN6 X PI DUC17 AN6 06 Dowel spacer DUC Ø17 AN8 X PI DUC17 AN8 Safety washer DUC AN6 X RS AN6 Safety washer DUC AN8 X RS AN8 Scr...

Page 9: ...g plate Ø250mm ROTAX X P 250_3 RX 01 3 blade spinner mounting plate Ø250mm Ø17 X P 250_3 17 3 blade spinner mounting plate Ø260mm ROTAX X P 260_3 RX 3 blade spinner mounting plate Ø260mm Ø17 X P 260_3 17 3 blade spinner mounting plate Ø270mm ROTAX X P 270_3 RX 3 blade spinner mounting plate Ø270mm Ø17 X P 270_3 17 3 blade spinner mounting plate Ø290mm ROTAX X P 290_3 RX 3 blade spinner mounting pl...

Page 10: ...f the propeller 5 1 A Propeller Form will be done to insure a propeller follow up Parts Number and component serial number of propeller will be written on this form STEP 1 Place the rear half hub on a worktable Be careful not to invert with the front hub half Depending on your installation the rear half hub is one mounted on the propeller shaft of the engine or on a spacer The diameter of the bore...

Page 11: ...From the front hub set up the 6 screws and washers for hub assembly At the rear place washers and lock nuts Perform initial moderate tightening STEP 6 Place the hub clamping washer on the front of the propeller hub logo side Be sure the direction of the clamping washer rounded edge outwards Place the 6 fixing screws and their washer In the case of pin contact washers the pins are oriented towards ...

Page 12: ...aircraft The direct installation of the FLASH R propeller is possible only with the following conditions Engine propeller shaft type Rotax 6 indexing dowels Ø13 on P C D Ø101 6mm Ø4 Engine propeller shaft out of the engine hood of 14mm for the mounting of the DUC spinner If needed see in annex 9 1 Dimension of the engine propeller shaft Remark All engines having a propeller shaft with a P C D Ø101...

Page 13: ...re the distance X between the propeller shaft and the engine hood limit then add 14mm Available spacer Engine Model P N Length XX ROTAX Spacer 912H E 912H XX 3 6 10 15 20 30 45 50 60 70 75 80 100 120mm The length of the hardware necessary to fix the propeller is defined by the DUC Hélices design office This is also the case when it is necessary to set up an intermediate spacer Tightening screws se...

Page 14: ...6 XX 30mm 70mm 80mm 100mm Lycoming O 320 3 8 dowels Adaptor spacer SAE2 AN6 E SAE2AN6 XX 30 mm Lycoming O 320 7 16 dowels Adaptor spacer SAE2 AN7 E SAE2AN7 XX 90 mm 100 mm Lycoming O 360 Adaptor spacer SAE2 AN8 E SAE2AN8 XX 30mm Placing of brake plates under the heads of the fixing bolts of the spacer to prevent the unscrewing of these steps folding 1 2 3 The length of the hardware necessary to fi...

Page 15: ...nex Erreur Source du renvoi introuvable STEP 1 Side view Front view For the setting the concerned blade must be place in horizontal position The setting is done with the adjusting tool flatten against the intrados leading edge up at 25 cm from the blade tip The angle of attack is formed by the vertical and the intrados of the blade To do this place your aircraft horizontally so that the propeller ...

Page 16: ...he adjustment tool Caution to apply the value X if a correction of the aircraft plan was needed STEP 5 Correct the position of the bubble on the adjustment tool by rotating the blade in the hub To do this using a mallet lightly tap on the foot of the blade in the desired direction Do not apply pressure near the trailing edge thinner area Adjustment roller of the angle of attack Reading blade angle...

Page 17: ...in contact washer screw length adapted according the length of the spacer Use with dowel threaded on the engine propeller shaft Ex For Rotax 912S Screws CHC M8x130mm Mounting with an Adaptor spacer Assembly of the three blade hub Fixation of the Adaptor spacer Screws AN6 or AN8 screw length adapted according the adaptor spacer length and the starter flange on the propeller shaft Propeller fixing s...

Page 18: ...rocedures to change the propeller in accordance with applicable regulations of the aircraft 6 Precautions PRECAUTIONS If you notice any abnormal installation or operation do not undertake the flight and immediately contact the DUC Hélices company Being aware of potential risks during assembly and initial testing of the propeller Stay focused attentive and vigilant to your environment Recheck sever...

Page 19: ...his paragraph Airworthiness limitations is approved by EASA according to the Part 21 A 31 a and CS P 30 b Any changes to this paragraph or documents which are linked to this paragraph should be submitted to EASA for a new agreement For more information contact the DUC Hélices Company Schedule of propeller check 7 2 Type Frequency Screws tightening After the first working fly Regular Each pre fligh...

Page 20: ...marking without deformation continue to use it Crack Stop blade use You have to change the blade Shielding leading edge in Inconel Lifting Stop blade use You have to change the blade Significant impact deep scratches break deformation see paragraph 7 5 Stop blade use You have to change the blade Low impact not deep scratches see paragraph 7 5 No mechanic risk continue to use it Blade Significant i...

Page 21: ...rking without deformation continue to use it Crack Stop blade use You have to change the blade Shielding leading edge in Inconel Lifting Stop blade use You have to change the blade Significant impact deep scratches break deformation see paragraph 7 5 Stop blade use You have to change the blade Low impact Non deep scratches see paragraph 7 5 No mechanic risk continue to use it Blade Important impac...

Page 22: ...Hélices company Blade tip area 20 cm from the tip of the blade Significant impact Depth from 1mm Surface from 5mm Low impact Depth less 1mm Surface less 5mm Significant impact Depth from 1mm Surface from 2mm Low impact Depth less 1mm Surface less 2mm Blade root area From blade root to 20 cm from the tip of the blade ...

Page 23: ...ls provided No changes can be made without the prior approval of the DUC Hélices Company The failure of these data releases any liability of the DUC Hélices Company and makes non warranty the considered products The user is still flying under its sole responsibility The legal guarantee of industrial products is six months or for the potential duration of the helix depends on which engine it is ins...

Page 24: ... Annexes Dimension of the engine propeller shaft 9 1 9 1 1 ROTAX 912S engine propeller shaft 9 1 2 Lycoming O 235 H2C engine propeller shaft type SAE AN6 9 1 3 Lycoming O 320 A2A propeller shaft type SAE2 AN6 ...

Page 25: ...A P 038 N Part 21G EASA FR 21G 0273 Certified FLASH R 25 27 Airfoil 9 2 Front face of propeller carrier plate completely vertical Intrados Extrados Leading edge Advancement of the aircraft Trailing edge Angle of attack Side view ...

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