Sebart Mytho S 50E ARF User manual

SebArt professional line
Mytho S 50E
ARF
ASSEMBLY MANUAL
The new Mytho S 50E ARF was designed by Italy aerobatic pilot
Sebastiano Silvestri, it is the replica o his 2 meter size F3A
competition airplane, winner o the FAI F3A World Cup 2012.
This pro essional ARF kit is the result o Sebastiano’s 25 years
experience in F3A world and his research in best F3A
per ormances. This innovative design combined with the
extremely lightweight structure all wood air rame, give the
Mytho S 50E ARF an impressive precision and smoothness at
any airspeed and light condition.
The Mytho S 50E ARF will be your F3A practice dream
plane!
.....the only aerobatic limit is your fantasy!
Specifications: Recommended Set Up:
Wingspan:…...........158 cm Radio: 6-ch with 3 std. servos or ailerons & rudder
Length:…........……167 cm + 2 mini digital servos or elevators
Wing Area:….52 dm² + top wing Motor: ...Hacker A50-16S + Jeti Master Basic 70A
Weight:......... 2.750 g. Prop: …………....................APC 16x12E or 17x8E
(RTF less motor battery) Motor battery: …..…4500-6S or 5000-6S Top Fuel

Required radio, motor and battery
Radio equipment:
• Minimum 6-channel radio system
• 5 digital servo: 3 JR DS 9511 (ailerons and rudder) + 2 JR DS 3401 (elevators)
• 2 servo extensions 900mm, or elevator’s servos
• 1 extension 500mm, or rudder servo
Recommended electric motor for best performance:
• Hacker A50-16S + Jeti Master Basic 70A SBec + APC 16 x 12E or 17x8E
• Battery pack Top Fuel 4500-6S or 5000-6S
Additional required item
, tools and adhesives
Tools:
• Drill
• Drill bits: 1,5mm; 2mm; 2,5mm; 3mm
• Phillips screwdriver
• Hobby kni e
• Masking tape
• Paper towels
• Rubbing alcohol
• Sand paper
• Soldering iron
• synthetic oil
Adhesives:
• 5-minute epoxy
• thin CA
• medium CA
Warning
This RC aircra t is not a toy!
I misused, it can cause serious bodily harm and damage to property.
Fly only in open areas, pre erably in o icial lying sites, ollowing all instructions included with
your radio and motor.
This plane is a compromise between Aerobatics and 3D lying, and not a pylon racer.
It is built with a very light structure and or this reason we hardly recommend:
→ Do
NOT
fly
your
airplane
at
h i gh
speed s
, be ause this may ause stru tural
failures or flutter due to the extremely large ontrol surfa es.

Before st a rting assembly
Be ore starting the assembly o your Mytho S 50E, remove each part rom its bag and protection
or a prior inspection. Closely inspect the uselage, wing panels, rudder, and stabilizer or damage. I
you ind any damage or missing parts, contact the place o purchase.
I you ind any wrinkles in the covering, use a heat gun or covering iron to remove them. Use
caution while working around areas where the covering material overlap to prevent separating the
covers.
Warranty information
SebArt garantees this kit to be ree rom de ects in both material and workmanship at the date o
purchase.
This warranty does not cover any parts damage by use or modi ication, and in no case shall
SebArt’s liability exceed the original cost o the purchased kit.
Further, SebArt reserve the right to change or modi y this warranty without notice.
In that SebArt has no control over the inal assembly or material used or the inal assembly, no
liability shall be assumed or accepted or any damage o the inal user-assembled product. By the
act o using the product, the user accepts all resulting liability.
I the buyer is not prepared to accept the liability associated with the use o this product, the buyer
is advised to return this kit immediately in new and unused condition to the place o purchase.
Control throws
Please, ollow the recommended linkage setups:
For the AILERONS we recommend the ollowing throws:
High rate: 40° left & right
Normal flight: D/R: 30% Expo: 20%
Snap: D/R: 100% Expo: 90%
Spin & 3D: D/R: 100% Expo: 90%
For the ELEVATOR we recommend the ollowing throws:
High rate: 40° up & do n
Normal flight: D/R: 30% Expo: 30%
Snap: D/R: 40% Expo: 50%
Spin & 3D: D/R: 100% Expo: 95%
For the RUDDER we recommend the ollowing throws:
High rate: 40° left & right
Normal flight: D/R: 40% Expo: 60%
Snap: D/R: 50% Expo: 70%
Spin & 3D: D/R: 100% Expo: 90%
Note: the Expo is (+) or JR systems, and (–) or Futaba systems.

Mixing
For best per ormance, we recommend a linear-mix*:
Rudder → Elevator UP
When you give ull rudder to the right or le t side, the elevator have to go up (positive) approx. 2%
* i you have a programmable computer radio.
Re omme n ded CG
The recommended Center of Gravity location is 165mm behind the leading edge o the wing
against the uselage.
155mm is good or windy condition.
175mm is good or no wind condition.
You can use the battery pack, moving it orward or backward, to achieve the correct balance.
Range test your radio
Be ore ly, be sure to range check your radio as manu acturer’s instruction manual o you
radio-system recommend.
Double-check all controls (aileron, elevator, rudder and throttle) move in the correct
direction.
Be sure that your batteries are ully charged, as per the instructions included with your
batteries and that your radio is ully charged as per its instructions.
...good flights!
SEBART International S.r.l.
Via L. Tabellione, 1
47891 Rovereta
Repubblica di San Marino (RSM)
Web site:

H = h
measur
ed
“step
103” – h
engine
cut
step 02
step 01
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder
Epoxy
CA
Thin
Silicon
20 min.
Extension
Rudder
tape
tape
950 mm.
OIL

H = h
measur
ed
“step
103” – h
engine
cut
step 04
step 03
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder
Epoxy
CA
Thin
Silicon
20 min.
hinge
Axis
tape
tape
950 mm.

H = h
measur
ed
“step
103” – h
engine
cut
step 06
step 05
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder
Epoxy
CA
Thin
Silicon
20 min.
tape
tape
950 mm.
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 08
step 07
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder
Epoxy
CA
Medium
Silicon
20 min.
tape
tape
950 mm.
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 10
step 09
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder Epoxy
CA
Thin
Silicon
20 min.
tape
tape
950 mm.
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 12
step 11
5 min
130 mm
medium
20 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Rudder
Epoxy
CA
Thin
Silicon
20 min.
tape
tape
CA
Medium
90°

H = h
measur
ed
“step
103” – h
engine
cut
step 14
step 13
5 min
130 mm
medium
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Epoxy
CA
Thin
Silicon
20 min.
tape
tape
950 mm.
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 16
step 15
5 min
130 mm
medium
66 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Epoxy
CA
Thin
Silicon
20 min.
tape
tape
950 mm.
1.5mm.
Drill.

H = h
measur
ed
“step
103” – h
engine
cut
step 18
step 17
5 min
130 mm
medium
66 mm
C
D
A = B
B
tape
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Epoxy
CA
Thin
Silicon
20 min.
tape
adesive
tape
950 mm.
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 20
step 19
5 min
130 mm
medium
66 mm
C
D
A = B
B
tape
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Epoxy
CA
Thin
Silicon
20 min.
tape
950 mm.
CA
Medium
Remove
tape

H = h
measur
ed
“step
103” – h
engine
cut
step 22
step 21
5 min
130 mm
medium
66 mm
C
D
A = B
B
tape
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Epoxy
CA
Thin
Silicon
20 min.
tape
950 mm.
CA
Medium
CA
Thin

H = h
measur
ed
“step
103” – h
engine
cut
step 24
step 23
5 min
130 mm
medium
22 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
tape
adesive
CA
Thin

H = h
measur
ed
“step
103” – h
engine
cut
step 26
step 25
5 min
130 mm
medium
22 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Activator
CA
THIN
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 28
step 27
5 min
130 mm
medium
22 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Activator
CA
Thin
CA
Medium

H = h
measur
ed
“step
103” – h
engine
cut
step 30
step 29
5 min
130 mm
medium
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Elevator
Activator

H = h
measur
ed
“step
103” – h
engine
cut
step 32
step 31
5 min
130 mm
medium
65 mm
C
D
A = B
B
tape
adesive
Eletric engine version
Eletric engine version
Eletric engine version
Epoxy 20 min.
Aileron
Activator
tape
adesive