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Kraga Maripi, Build Manual, Page: 18 / 20

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Electronics

This is by no means the best way possible how to setup your plane. It is just a brief overview of 
possible options.

Motor

To avoid problems when setting correct CG, it is recommended to use motor weighting 110g. You 
should be able to fit inside motors with diameter up to 35mm.

Good option is 

Turnigy Aerodrive SK3 - 3536-1200kv Brushless Outrunner. This motor provides 

plenty of power even for hovering figure.

ESC

If you opted for above mentioned motor option, you need 40A speed controller for brushless motors
ideally with SBEC, for example this one: 

HobbyKing 40A BlueSeries Brushless Speed Controller

.

Battery

Although there is plenty of space in the fuselage, to be able to set correct CG, you have to place 
ESC and Battery next to each other right behind the motor. In this configuration ideal battery weight
is between 120g and 140g. 

Turnigy nano-tech 1500mah 3S 25~50C

 

Lipo Pack

 is one of many 

options.

Receiver

This depends on your transmitter. Only requirement is to have 5 channels.

[email protected]

Summary of Contents for Maripi

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: ...1 37 wing_R_3 SHELL 1 38 wing_R_4 SHELL 1 39 wing_R_5 SHELL 1 40 back_wing_spar_2x1_245 2 41 main_wing_spar_6x4_454 4 42 servo_mount_wing_L_B SOLID 1 43 servo_mount_wing_L_F SOLID 1 44 servo_mount_win...

Page 3: ...arts Although I was not able to damage any part and I tried to cover many materials ABS PLA please test film covering on your testing part One of the goals when designing KRAGA models was to use minim...

Page 4: ...ts were added This fix was still not good enough That is why I improved it much more in this version I added more fillets on all critical places Air inlets are much smaller and moved away from motor m...

Page 5: ...on tube 6x4 mm 1m 2 carbon rod 3 mm 1 m 1 carbon rod 4 mm 1 m 1 covering film 2 m 1 wheels 45 mm or 50 mm max thickness 16 mm 2 pinned hinge 16x28x1 2 mm or Du Bro 117 11 propeller 10 inch 1 spinner 4...

Page 6: ...62 mm 2 fuse servo plate spar front 2x1 mm 68 mm 1 fuse servo plate spar back 2x1 mm 51 mm 1 wing joiner rod front 4 mm 300 mm 1 wing joiner rod back 4 mm 280 mm 1 landing leg spar front 3 mm 145 mm 2...

Page 7: ...ometimes the fit is too tight or you cannot insert joiners rods into wing spars at all You can use drill and wet sandpaper to make joiner rods thinner Use breathing mask to avoid inhaling carbon dust...

Page 8: ...spars through Both main wing spars main_wing_spar_6x4_454 should be aligned flush with base of wing_L_0 part Back wing spar back_wing_spar_2x1_245 should protrude 0 5 cm It s purpose is to fix back s...

Page 9: ...horten 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 with the wing Be careful when u...

Page 10: ...ing it through service opening when the fuselage is assembled is more difficult When all the parts are on their position put glue on contact points where carbon spars are touching printed parts Canopy...

Page 11: ...mbly the stabilizer as sketched above Carbon spars protrude 1 cm from base of ver_stab_f_0 When all the parts are on their position put glue on contact points where carbon spars are touching printed p...

Page 12: ...moving part of the stabilizer as sketched above Carbon spar should be centered in the middle When all the parts are on their position put glue on contact points where carbon spars are touching printe...

Page 13: ...mbly first shorten all hinges and then insert the hinges into hinge slots and apply the glue from inner side of the main part Then insert all hinges into hinge slots on moving part and put the glue fr...

Page 14: ...on and it has to be done to make motor mount as strong as possible When spars are on their position apply more glue from inner side of fuse_0 There are spaces along spar leading tubes where you can pu...

Page 15: ...ordinary bicycle steel spoke 2mm thick Cut the head and the thread off make some kind of sharp edge and mount it into a drill This way you can drill through all spar leading holes to remove all print...

Page 16: ...rrow and have too much space in shoe It is enough to secure wheel_shaft_23 to the shoe only from one outer side with the glue First attach landing leg spars to the shoe_L part and only then attach the...

Page 17: ...s to cover wings after they are fully assembled center wing tip wing and aileron are glued together It is a little bit more demanding but it is definitely worth it Otherwise you are risking that when...

Page 18: ...g figure ESC If you opted for above mentioned motor option you need 40A speed controller for brushless motors ideally with SBEC for example this one HobbyKing 40A BlueSeries Brushless Speed Controller...

Page 19: ...ove All the linkages except for the rudder use 2x1mm carbon tube glued into threaded couplers and screwed into metal clevises Settings and flying Throws Use maximal possible throws on ailerons and rud...

Page 20: ...absorb the energy during landing or crash when the wings can detach easily To attach wing to the fuselage insert joiner rods into wing spars Use small rubber band to secure the wing in place by attac...

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