Sawn Craft Mini 4-Fitt Assembly And Setup Manual Download

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Revised 2016-01-21

Mini 4-Fitt Assembly and
Setup Manual

Specifications

Recommended Power System (

Click here to purchase

)

Wingspan 18”

Motor

10g to 15g, 2000kv Brushless Outrunner

Overall

Length 14.1”

ESC

10A Brushless

Servos

2x 3.6g servos

Wing Area

144 in

Prop

5”x3” Electric

Flying Weight

3.125oz / 89g

Receiver

At least 4-channel

Intended Use

In/Outdoor/Combat

Battery

300mAh to 450mAh 2S 25C+ LiPo

Summary of Contents for Mini 4-Fitt

Page 1: ...Click here to purchase Wingspan 18 Motor 10g to 15g 2000kv Brushless Outrunner Overall Length 14 1 ESC 10A Brushless Servos 2x 3 6g servos Wing Area 144 in2 Prop 5 x3 Electric Flying Weight 3 125oz 89g Receiver At least 4 channel Intended Use In Outdoor Combat Battery 300mAh to 450mAh 2S 25C LiPo ...

Page 2: ...stability and maneuverability without any sacrifice in precision or control feel Your Sawn Craft Mini 4 Fitt aircraft represents the benchmark of small sized electric combat performance and aerobatic versatility All you have to do next is read and apply the information presented in this instruction manual I sincerely hope that you enjoy building and flying your model as much as we do If you have a...

Page 3: ...5 2 3 Control Surface Installation 6 2 4 Carbon Spar KF Step Installation 7 2 5 Fuselage Installation 8 2 6 Servo Installation 8 2 7 Firewall Installation 9 2 8 Electronics Installation Fuselage Bottom Installation 10 2 9 Control Rod Installation 11 2 10 Vertical Stabilizer Installation 12 3 Setupand Tuning 13 3 1 Center of Gravity 13 3 2 Control Throws and Expo 13 3 3 Launching 13 3 4 Flying Tips...

Page 4: ...perform the specified operation Circled items inform of items of interest for the specified operation Circled items will typically be accompanied by text further identifying the region of interest 1 2 Required Tools Supplies The list below contains all of the required tools and supplies that are required for the assembly and tuning of this model Clean flat work surface 11 hobby knife Straight edge...

Page 5: ... o 6 Channel DSM2 Receiver o 5 x3 Electric Prop o JST Female Pigtail o Shrink tube etc 300mAh to 450mAh 2S 25C LiPo Battery Please note that other power systems and components may be compatible and may work without issue but the listed components have been tested successfully by Sawn Craft Optional Parts for Completion To make your build easier and ensure the nicest looking finished product the fo...

Page 6: ...g parts or signs of damage please contact Support Sawn Craft com for assistance a Main Wing Half 2 each b KF Step Half 2 each c Fuselage Half 2 each d Fuselage Bottom e Vertical Stabilizer 4 each f Elevon 2 each g Battery Tray Component Bag h Mini 4 Fitt 1 8 Plywood Firewall i Micro Control Horn 4 each j 4 Z Bend 2 each k Micro EZ Connector 2 each l 12 0 083 Carbon Rod a b f h i k l j a d c e f g ...

Page 7: ...bly possible 2 1 Parts Preparation Parts Required o All Foam Parts o Plywood Firewall Warning This process involves using extremely sharp cutting blades Care must be taken to avoid injury 1 Using your hobby knife carefully cut all of the small holding tabs that are keeping the parts together inside the sheets The tabs are less than full foam thickness and will not require much force to cut 2 Take ...

Page 8: ...the halves then join the two making sure that the alignment arcs are located properly and the halves fit nicely together Allow assembly to cure while on the flat surface to ensure a straight wing 2 Lay both KF Step Halves on a flat surface You will see the only way to assemble the two halves is by aligning the alignment arcs properly Apply glue to the entire mating surface of one of the halves the...

Page 9: ...ing you Both elevons are mirrors of each other so orientation L or R doesn t matter as long as you cut the bevel properly for the side Use a hobby knife and ruler to cut a 45 bevel into the leading edge of the elevon Repeat for the other elevon 2 Place the Main Wing Assembly on the table with top side up Align the elevons to their locations with their bevels facing down The elevons are aligned to ...

Page 10: ... a few minutes before proceeding 2 Decide which side of the KF Step Assembly will be faced down and apply glue around the entire perimeter of the part as well as a zigzag down the center Place the KF Step Assembly onto the Main Wing Assembly ensuring to line up all edges Allow the glue to cure for a few minutes before proceeding Glue the control horns into their respective slots at this time 3 Use...

Page 11: ...age half Press the glued side of the fuselage half onto the main wing assembly aligning all of the tabs with the slots in the main wing Repeat this process for the other fuselage half but not before gluing the battery tray into place aligning the tab with the first fuselage half 3 Add clear packing tape to the front half of the fuse side and bottom as it will give strength and protection from land...

Page 12: ... would like your motor wires to enter through the slot and press the firewall onto the front of the fuselage ensuring that all of the firewall edges are flush with their mating foam surfaces Allow glue to cure fully before installing motor It is easiest to drill your motor mounting holes before attaching the firewall to the fuselage 2 Apply a long strip of Blenderm tape from one side of the fusela...

Page 13: ...ESC 2 Attach your ESC and receiver on either side of the inside of the fuselage We recommend using Velcro for mounting to ease in adjustment and removal Plug both servo plugs and the ESC plug into the receiver Bind the receiver to your radio and ensure all functions are working now as it is more difficult to access the electronics once the fuselage bottom is installed 3 Apply glue to the exposed e...

Page 14: ...ly o 4 Z Bend 2 each o Micro EZ Connector 2 each 1 Install the Micro EZ Connectors to the outer most holes on your servo horns 2 Gently connect the Z bend side of the longest rod assembly to the control horn on the elevons Slide the straight end of wire into the EZ Connector and center the control surface manually then tighten the grub screw to secure the rod to the servo ...

Page 15: ...abilizer Installation Parts Required o Main Wing Assembly o Vertical Stabilizer 4 each o Winglet 2 each 1 Apply Foam Tac to slots in the rear of the elevons and glue the vertical stabilizers to the main wing assembly making sure the stabilizer is pushed all the way forward Wipe off any excess glue and allow to cure ...

Page 16: ...ttings as tested that will provide a successful flying experience Throws are measured at the point farthest from the hinge Control Surface Low Rate Throw Low Rate Expo High Rate Throw High Rate Expo Elevator 1 2in 70 30 1in 100 45 Aileron 1in 70 30 2in 100 45 The elevon control surfaces have built in differential so they will move more in the up direction than in the down direction This helps to e...

Page 17: ... In the rare case that a 4 Fitt is involved in a mid air collision the interlocking construction should provide your electronics and battery protection over other combat plane designs Remember Always follow the AMA safety guidelines Never fly over people or animals 3 5 Decorating Finishing The beauty of this aircraft is that you have the opportunity to finish it with the look that you desire We re...

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