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PCM ERWIN XL Building Instruction

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Erwin XL building Instruction
www.pcm.at
Wing span [mm]:
Aspect ratio:
Wing area [dm2]:
Wing loading:
Weight [g]:
Airfoil:
BUILDING INSTRUCTION
September 2008
3000
14,67
61,33
42,4-66,8
2600-4100
VS1
ERWIN XL
1

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Summary of Contents for PCM ERWIN XL

  • Page 1 Erwin XL building Instruction September 2008 Wing span [mm]: 3000 Aspect ratio: 14,67 Wing area [dm2]: 61,33 Wing loading: 42,4-66,8 Weight [g]: 2600-4100 Airfoil: BUILDING INSTRUCTION ERWIN XL www.pcm.at...

  • Page 2: Table Of Contents

    Erwin XL building Instruction September 2008 CONTENTS DATA 1. Kit – Contents 2. What else do you need? 3. Electronical equipment 4. Settings for the first flight ASSEMBLING THE MODEL 5. V-Tail 6. Fuselage 7. Installation of electronical components 8. Wing 9.

  • Page 3: Kit - Contents

    Erwin XL building Instruction September 2008 DATA 1. Kit – Contents Fuselage, in two parts Wing, in two parts V-Tail Steel-connector, 2 pieces Carbon-connector, 2 pieces Covers for servos on wing, 4 pieces Covers for servos on v-tail, 2 pieces...
  • Page 4 Erwin XL building Instruction September 2008 Servos for the v-tail Hitec HS55 HS56HB HS65HB Robbe S3108 Graupner C2081 C261 Receiver: Graupner DS19 Simprop Scan 7 Schulze 835 Accumulators: 2500 mA/h NiMh 3700 mA/h NiMh www.pcm.at...

  • Page 5: Settings For The First Flight

    Erwin XL building Instruction September 2008 4. Settings for the first flight Centre of gravity: 100mm Centre of gravity, calculated: 94-111mm Difference in angle of attack: +1° Hook for winch start: 100mm (measure from the leading edge of the wing to the back)

  • Page 6: Assembling The Model

    Erwin XL building Instruction September 2008 ASSEMBLING THE MODEL 5. V-tail The v-tail is ready prepared with holes for screws to be fixed on the fuselage. Install the servos for the elevator in the v-tail. You still have to make a hole for the cable in the v-tail and in the fuselage.

  • Page 7: Fuselage

    To do this, mount v-tail and wing on the fuselage. Look at Erwin XL from the front and slowly lower the tail, until the ends of the elevator disappear behind the wing. If both ends of the elevator disappear at the same time, the v-tail is aligned correctly.

  • Page 8: Installation Of Electronical Components

    Erwin XL building Instruction September 2008 7. Installation of electronical components First you have to glue the assembly board inside the fuselage, as the radio board is fixed to the assembly board. The assembly board also serves to fix the hook for the winch start.
  • Page 9 Erwin XL building Instruction September 2008 If you want to fix the wing to the fuselage by tape (see point 11), there will be tension on the cable when the wing loosens in case of a crash. To avoid this, we recommend to clamp the cables to the radio board with a block of wood.

  • Page 10: Wing

    Erwin XL building Instruction September 2008 8. Wing Use the wooden frames enclosed for the installation of the servos Hitec HS-125 und HS-5125. Lead the cable through the wing as shown below. The connection to the levers on the rudder goes crosswise through the wing.
  • Page 11 Erwin XL building Instruction September 2008 To connect the servos to the levers use two connectors M2,5mm. In between, use a slightly bended welding rod (diameter 2mm), which you solder to the both connectors. To find the right length of the welding rod put all servos in 0- position.

  • Page 12: Installation Of Antenna

    Erwin XL building Instruction September 2008 9. Installation of antenna As ErwinXL is completely made of carbon, a part of the antenna must be situated outside the model. One possiblity is to „extend“ the fuselage at the rear end with a steel wire of about 450mm. Fix the end of the antenna to this steel wire.

  • Page 13: Before The First Flight

    You can easily change the weight by varying between the different connectors. You should always use two connectors when flying Erwin XL. If the glider accelerates too slowly, don’t hesitate to add further weight. Erwin XL can do well with more weight, in the air as well as when landing.

  • Page 14: Fixing Of The Wing

    Erwin XL building Instruction September 2008 11. Fixing of the wing For flights on the slope we recommend fixing the wing by tape. In case of a crash, the tape will break, the connecting plug between fuse and wing will loosen, and further damage will be avoided.

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