background image

 

 

 

Thank

 

you

 

from

 

Sawn

 

Craft.

 

 

Thank

 

you

 

for

 

purchasing

 

the

 

Sawn

 

Craft

 

Micro

 

B

58

 

aircraft.

 

Like

 

the

 

full

scale

 

USAF

 

B

58,

 

in

 

your

 

hands

 

is

 

a

 

remarkably

 

versatile

 

airplane

 

designed

 

to

 

deliver

 

a

 

pleasure

 

cruiser

 

with

 

an

 

incredible

 

look.

 

The

 

lightweight

 

and

 

rigid

 

EPS

 

and

 

carbon

 

construction

 

makes

 

it

 

possible

 

for

 

you

 

to

 

experience

 

a

 

wide

 

performance

 

envelope.

 

This

 

means

 

that

 

no

 

matter

 

how

 

you

 

like

 

to

 

fl

y,

 

you’ll

 

enjoy

 

both

 

stability

 

and

 

maneuverability

 

without

 

any

 

sacrifice

 

in

 

precision

 

or

 

control

 

feel.

 

Your

 

Sawn

 

Craft

 

Micro

 

B

58

 

aircraft

 

represents

 

the

 

benchmark

 

of

 

ultra

micro

 

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

 

your

 

model

 

as

 

much

 

as

 

we

 

do!

  

If

 

you

 

have

 

any

 

troubles

 

with

 

these

 

instructions

 

or

 

in

 

the

 

setup

 

of

 

your

 

model

 

feel

 

free

 

to

 

contact

 

us

 

and

 

we

 

will

 

provide

 

you

 

with

 

the

 

service

 

you

 

expect

 

from

 

a

 

hobbyist

owned

 

and

 

operated

 

business.

 

 

Jonathan

 

Sawn

 

Owner,

 

Sawn

 

Craft

 

Jonathan@Sawn

Craft.com

 

Summary of Contents for Micro B-58

Page 1: ...span 12 RX ESC Servo Spektrum AR6400 or similar Overall Length 17 28 Motor Parkzone P 51 Motor Gearbox PKZ3624 Wing Area 70 7 in2 or Flying Weight 1 3oz Hobbyzone Champ Motor Gearbox HBZ4930 Intended Use Indoor Calm Winds Battery 160mAh 1S 3 7V 25C LiPo or similar Revised 2014 09 27 ...

Page 2: ... both stability and maneuverability without any sacrifice in precision or control feel Your Sawn Craft Micro B 58 aircraft represents the benchmark of ultra micro 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 your model as much as we do If you have any troubles with these instruct...

Page 3: ... 2 1 Fuselage Lamination 4 2 2 Wing Reinforcement Lamination 5 2 3 Elevator Elevon Rudder Hinging 6 2 4 Skid Installation 9 2 5 Fuselage Installation 10 2 6 Vertical Stabilizer Installation 11 2 7 Electronics Installation 12 3 Setupand Tuning 14 3 1 Center of Gravity 14 3 2 Control Throws and Expo 14 3 3 Launching 14 3 4 Flying Tips 15 3 5 Decorating Finishing 15 3 6 Spare Parts 15 ...

Page 4: ...her a physical hazard or the danger will be formatted in this manner Arrows inform where to click or to 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...

Page 5: ...model If you choose to purchase your power system components separately Sawn Craft does offer the Micro Electronics Kit that includes every part of the power system that you need The list below contains all of the required and recommended parts for the successful operation of this model 1S LiPo Brick Ultra Micro Motor and Gearbox 5x3 Propeller or similar 1S LiPo Battery Please note that other powe...

Page 6: ...Half 2 each d Vertical Stabilizer Elevon e Vertical Stabilizer Rudder Elevator f Left Elevator Half Elevon g Right Elevon h Right Elevator Half i Skid Engines 4 each Component Bag j Micro Control Horn 4 each k 1 0 024 Control Wire with Z Bend 4 each l 5 0 024 Elevator Joiner Wire m 3 0 051 Carbon Rod n 4 0 051 Carbon Rod 2 each o 5 0 051 Carbon Rod p 6 0 083 Carbon Rod q 3 2mm Heat Shrink Tube 3 e...

Page 7: ...re perimeter of one of the fuselage halves 3 Press the unglued fuse half onto the glued fuse half recessed slots facing each other and gently slide the parts around to spread the glue evenly 4 Separate the two fuse halves and insert the carbon rod into one of the recessed slots 5 Rejoin the two fuse halves glue side toward each other ensuring that the carbon rod already in the slot aligns with the...

Page 8: ...y a bead of glue around the entire perimeter of the KFm Step 2 Press the glued side of the KFm onto the Main Wing with the carbon rods in place aligning the leading edges of both parts and gently slide the parts around to spread the glue evenly 3 Set the assembled wing lamination aside to allow the glue to cure If desired you can place a flat weight book etc on top of the lamination while curing t...

Page 9: ... facing yourself and the widest parts nearest each other Use a straight edge ruler and a hobby knife or a sanding block to cut an approximate 45 bevel into the leading edge of the control surface 2 Bend two 90 degree bends into the Elevator Joiner wire 1 from each end making a U shape with the middle 3 long Ensure the short sides are parallel to each other if not bend the wire so they are Press th...

Page 10: ...rface as well 5 Place the vertical stabilizer and rudder back together with trailing and leading edges touching oriented the proper direction for the bevel to face to the left when installed Cut approx x 1 pieces of hinge tape Use two of these small pieces of tape to attach the smooth sides of the rudder and vertical stab together Dry fit a micro control horn into the slot ensuring that the hinge ...

Page 11: ...micro control horn into the slots ensuring that the hinge bevel is facing down Note Ensure you use the elevons with a slot in each for the control horn 2 Place the elevon and main wing together with trailing and leading edges touching oriented such that the hinge bevel faces down when the KFm Step is facing up Use two small pieces of tape on each elevon to attach the smooth sides of the elevon and...

Page 12: ...th the KFm step facing down Apply a bead of glue down the entire length of the top of the skid 2 Press the glued side of the skid onto the Main Wing aligning the slots on the wing with the tabs on the skids and gently press the parts together to spread the glue evenly Allow glue to cure before proceeding Slot Page 9 140927 Micro B 58 Manual docx ...

Page 13: ...n the inside edges of the main wing assembly fuselage slot 2 Press the glued side of the fuselage assembly onto the main wing assembly sliding the fuse all the way back and gently slide the parts back and forth to spread the glue evenly Check that the front of the wing that is glued to the side of the fuse is straight and even on both sides of the fuse Allow glue to cure before proceeding Glue Pag...

Page 14: ...tab sits evenly on the wing Allow the glue to cure fully prior to proceeding 2 If building your model with a rudder Secure the push rod z bends to the 5 carbon rod by using glue and heat shrink tube Glue one rudder joiner control horn and dry fit the other Adjust the control rod length and then shrink the heat shrink tube to lock the z bend wire in place to ensure that the rudder is straight with ...

Page 15: ...t Ensure that the servo gears are facing forward and the brick and all wires are completely clear of the prop 2 Cut the motor and battery wires approximately in the center Strip the insulation off the wire about 1 8 and tin the wires Strip and tin one end of the micro wire as well Cut pieces of shrink tube to cover the exposed wires Slide the shrink tube onto the wires leading to the motor Solder ...

Page 16: ... loose wires with tape or glue around the prop slot to ensure it is not damaged by the prop Alignment Holes 5 Attach a piece of hook and loop material to the side of the fuse under the canopy for battery mounting and adjustment 6 Secure the push rod z bends to the remaining carbon rods by using glue and heat shrink tube If you choose to use elevons you will need to cut the 5 carbon rod down to 3 t...

Page 17: ... 3 2 Control Throws Expo By altering the amount of control throw the surfaces have you can fine tune the handling and performance Below are the recommended settings 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 20 3 4in 35 Rudder 5 16in 20...

Page 18: ...quick and nimble Landing the aircraft is simple keep some throttle applied and as the plane nears the ground pull back on the elevator to flare 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 recommend using colored packaging tape available on the Building Supplies tab for decorating as it is easy to use lightweigh...

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