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Erwin XL 

slope

 building Instruction         

 

August 2018                                                                                                                                     

www.pcm.at                                                                                                                                                            

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

Wing span [mm]:

 

 

3000

 

Aspect ratio:

 

 

14,67

 

Wing area [dm2]:

 

 

61,33

 

Wing loading:

 

 

49-70

 

Weight [g]:

 

 

3000-4500

 

Airfoil:

 

 

VS1

 

 

 

 

 

 

 

 

BUILDING INSTRUCTION 

ERWIN XL 

slope

   

Summary of Contents for ERWIN XL slope

Page 1: ...rwin XL slope building Instruction August 2018 www pcm at 1 Wing span mm 3000 Aspect ratio 14 67 Wing area dm2 61 33 Wing loading 49 70 Weight g 3000 4500 Airfoil VS1 BUILDING INSTRUCTION ERWIN XL slope ...

Page 2: ...uipment 4 Settings for the first flight ASSEMBLING THE MODEL 5 V tail 6 Gluing of fuselage 7 Electronic components in fuselage 8 Wing 9 Installation of antenna BEFORE THE FIRST FLIGHT 10 Ballast system 11 Fixing of the wing 12 Check list before starting 13 Attention Erwin XL is sensitive to the sun 3 3 4 5 6 7 8 9 11 12 13 13 13 ...

Page 3: ...rod 2x Stahl kurz steel short 1x Stahl lang steel long auf Anfrage on demand 2x Kohlestab carbon rod Medium 1x Kohlestab carbon rod 2x Stahl kurz steel short 1x Kohlestab carbon rod 1x Stahl kurz steel short Ultralight 1x Kohlerohr carbon pipe 1x Kohlerohr Stahl innen carbon pipe steel core 1x Stahl kurz steel short 1x Kohlerohr carbon pipe Building instruction please download from our homepage 2 ...

Page 4: ...the wing Futaba S3150 Graupner DES 448 Servos for the V tail Graupner C261 these servos will fit into the gap of the servo board DES 281 C2081 Hitec HS65HB or MG Robbe S3107 weak Receiver 2 4GHz all lead antennas outside the fuselage 35 MHz Graupner DS19 Simprop Scan 7 Accumulator Eneloop 2000 mA h ...

Page 5: ... start with 20mm Difference in angle of attack 1 Ailerons und flaps soft measure between aileron and flap and on deepest point of the elevator Ailerons und flaps strong dual rate measure between aileron and flap and on deepest point of the elevator Butterfly landing position measure between aileron and flap and on deepest point of the elevator Flaps positive measure between aileron and flap and on...

Page 6: ...he fuselage Controlling of the elevator Bend two brass levers as shown below and glue the ball connectors to one end each Then glue the levers to the control surfaces of the elevator The gluing spot should be as near as possible to the turning axis of the controls silicone hinge Ready mounted levers with ball connectors Here to be seen on Erwin XL ultralight ...

Page 7: ... aligned correctly chamfer the edges of the fitting Put the two parts of the fuselage together again and turn one part until the v tail is mounted symmetrically Furthermore check if the difference in angle of attack of 1 can be set without problems For this put the 2 parts together and place the fuselage on a flat surface The distance between fuselage and surface should be 7mm at the joining spot ...

Page 8: ...lage Put glue app every 25cm In both cases the ends should not be glued to keep them still mobile Therefore place the final sticking point about 10 to 12 cm from the ends of the tubes The servos for the elevator are mounted on the servo board The wholes are prepared for Graupner servos C261 Glue the servo board into the fuselage as shown on the photo Grind the gluing areas thoroughly and glue with...

Page 9: ...enings for the servos are big enough for all appropriate standard servos including mounting frame such as Futaba S3150 Lead the cable through the wing as shown below The connection to the levers on the rudder goes crosswise through the wing Before you glue the levers into flaps and ailerons grind the gluing spots on the control surfaces and on the levers Aileron Flap ...

Page 10: ...eter 2mm which you solder inside the both connectors To find the right length of the welding rod put all servos in 0 position If the length isn t exact after soldering you can heat the soldered point with the soldering iron until the the wire can be moved to the correct position The root ribs have recesses for the plugs between fuselage and wings for easy electrical connection Fix the covers of th...

Page 11: ...uated 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 Another solution is to fix the antenna to the end of the elevator Lead the antenna inside the fuse behind the wing and then leave the fuselage You should add the length between receiver and the breakthrough of the fuselage to the end of the...

Page 12: ...e two connectors when flying Erwin XL slope If the glider accelerates too slowly don t hesitate to add further weight Erwin XL slope can do well with more weight in the air as well as when landing Photos made from an older version of the root rib 2x carbon short 150g 1x carbon short 1x steel short 450g 1x steel short 1x steel long 1125g 2x steel long 1500g Order an additional steel bar if you need...

Page 13: ...ers All control surfaces are continuously connected to the wing along the hinge line 3 Check reception Leave the antenna inside the radio control and go away from the glider up to a distance of about 60m The rudders should not tremble 2 4 Ghz depending on radio controller f e reduce transmission power 13 Attention Erwin XL is sensitive to heat Pay attention that Erwin XL does not heat up That mean...

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