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Kraga Roa II, Build Manual, Page: 2 / 17

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Kraga Roa II Build Manual Download Page 2

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Summary of Contents for Roa II

Page 1: ...not share files that you bought Development of a new plane and support of the old ones is very time consuming Only with your help I can focus fully on this project and spend some quality time with my...

Page 2: ...VROLG DLOB B VKHOO DLOB B VKHOO DLOB B VKHOO DLOB B VKHOO DLOB B VKHOO DLOB B VKHOO DLOB B VKHOO DLOBURRWBHQGFDSB VROLG DLOBWLSBHQGFDSB VROLG IODSBKRUQB VROLG IODSB B VKHOO IODSB B VKHOO IODSB B VKHOO...

Page 3: ...WDLOBPDLQB B VKHOO WDLOBPDLQB B VKHOO WDLOBPDLQB B VKHOO WDLOBPRYB B VKHOO WDLOBPRYB B VKHOO WDLOBPRYB B VKHOO WDLOBPRYB B VKHOO WDLOBPRYB B VKHOO WDLOBPRYHBURRWBHQGFDSB VROLG WDLOBPRYHBWLSBHQGFDSB V...

Page 4: ...many materials ABS PLA please test film covering on your testing part One of the goals when designing KRAGA models was to use minimal or no support during printing Removing support after printing is...

Page 5: ...1 mm means tube with outer diameter of 2mm and inner diameter of 1mm 2 pieces of 3x2 mm carbon tube are meant to be used for tail linkage with threaded couplers and metal clevises And of course you ne...

Page 6: ...e carbon spar 3x2 mm 266 mm 2 Wing tip rear carbon spar 2x1 mm 218 mm 2 Wing surfaces Aileron carbon spar 2x1 mm 587 mm 2 Flap carbon spar 3x2 mm 680 mm 2 Fuselage Fuse top carbon spar 2x1 mm 518 mm 2...

Page 7: ...n dust from the spars using wet tissue TIP Carbon wing joiner tubes on the fuselage should fit into spars in the wing Sometimes the fit is too tight or you cannot insert joiner tubes into wing spars a...

Page 8: ...d before plane assembly Wing section 1 Assembly first section of left wing as sketched above Main spars 10x8_745 and front alignment spar 4x3_985 should be aligned flush with base of wing_root_endcap_...

Page 9: ...o_mount_L_F_glue_on and flap_servo_mount_L_B_glue_on parts Wing section 2 Assembly second section of left wing as sketched above Before adding wing_L_11 prolong secondary main spars by inserting terti...

Page 10: ...aileron as sketched above Don t forget to insert ail_horn_L part between ail_L_2 and ail_L_3 Aileron horn should stick out from the top side of the wing When all the parts are in their position put gl...

Page 11: ...ough to fit whole hinge length Shorten all hinges as shown on the picture It has no benefit in terms of added stiffness of rigidity to use whole hinge arm length as only small hinge area is in contact...

Page 12: ...of tail_main_L_0 When all the parts are in their position put glue on contact points where carbon spars are touching printed parts Tail mov Assembly moving part of left tail as sketched above When all...

Page 13: ...reach It can happen that spar leading holes are too tight and it is difficult to insert carbon spars into them One option is to use ordinary bicycle steel spoke 2mm thick Cut the head and the thread o...

Page 14: ...nsert the hinges into hinge slots and apply the glue from inner side of the main tail Then insert all hinges into hinge slots on moving part of the tail and put the glue from inner side of the moving...

Page 15: ...then in general lightweight options of covering materials work the best For example Oralight from Oracover or UltraCote lite I strongly advice everybody to use trimming iron instead of standard sized...

Page 16: ...urnigy nano tech 1600mah 3S 25 50C Lipo You can choose other battery but keep your size and weight similar to the examples above up to 150 g Using these ESC and battery are installed as much as possib...

Page 17: ...full down ail 6 mm up elev 2 mm down Template for tail zero position You can print this template cut it out of the paper and use it for setting zero position of the tail After printing it should measu...

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