SebArt professional line
PrometheuS 50E ARF
ASSEMBLY MANUAL
The new PrometheuS 50E ARF was designed by the F3A
aerobatic pilot Sebastiano Silvestri and it’s the replica of his 2
meter size F3A
competition airplane.
This professional ARF kit is the result of Sebastiano’s 25 years
experience in F3A world and his research in best F3A
performances. This innovative design combined with the
extremely lightweight structure all wood airframe, give the
PrometheuS 50E ARF an impressive precision and smoothness at
any airspeed and flight condition.
The PrometheuS 50E ARF will be your pattern dream plane!
….......the only limit is your fantasy!
Specifications:
Wing Span:………………...……............................155 cm
Length:….......…….……………..........................…168 cm
Wing Area:……....................................................63,5 dm2
Weight:…………………….…….3.700g. RTF less battery
Radio: 8 Channels, servo set: 4 micro x AILE + 2 mini x ELE+ 1 stand. x RUDD
Recommended power set up:
Motor:................................................................. Hacker A50-16S
ESC:…......................................Hacker Jeti Master Spin 100A SB
Propeller: ….................................….…....................APC 16x12E
Battery: …..................................................…5000-6S or 5800-6S
Required radio, motor and battery
Radio equipment:
• Minimum 8channels radio system
• 4 micro x AILE + 2 mini x ELE+ 1 stand. x RUDD
• 2 servo extension 1000mm for elevator servos
• 8 servo extension 200mm for aileron servos
• 1 extension 500mm for rudder servo
Recommended electric motor for best performance:
• Hacker A50-16S + ESC 100A SB + APC 16x12E
Recommended Li-Po battery pack for best performance:
• 5000mAh 6S or 5800mAh 6S
Additional required item, tools and adhesives
Tools:
• Drill
• Drill bits: 1,5mm
• Phillips screwdriver
• Hobby knife
• Sanding paper
• Masking tape
• Soldering iron
Adhesives:
• thin CA
• medium CA
Warning
This RC aircraft is not a toy!
If misused, it can cause serious bodily harm and damage to property. Fly only in
open areas, preferably in official flying sites, following all instructions included
with your radio and motor.
Before starting assembly
Before starting the assembly, remove each part from its bag and protection for a prior
inspection. Closely inspect the fuselage, wing panels, rudder, and stabilizer for
damage. If you find any damage or missing parts, contact the place of purchase.
If you find 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 free from defects in both material and workmanship at
the date of purchase.
This warranty does not cover any parts damage by use or modification, and in no case
shall SebArt’s liability exceed the original cost of the purchased kit.
Further, SebArt reserve the right to change or modify this warranty without notice. In
that SebArt has no control over the final assembly or material used for the final
assembly, no liability shall be assumed or accepted for any damage of the final userassembled product. By the act of using the product, the user accepts all resulting
liability.
If the buyer is not prepared to accept the liability associated with the use of this
product, the buyer is advised to return this kit immediately in new and unused
condition to the place of purchase.
Control throws
Please, follow the recommended linkage setups:
For the AILERONS we recommend the following throws:
High rate: 40° left & right
Normal flight: D/R: 30% Expo: 20%
Snap: D/R: 100% Expo: 80%
Spin & 3D: D/R: 100% Expo: 80%
For the ELEVATOR we recommend the following throws:
High rate: 40° up & down
Normal flight: D/R: 30% Expo: 30%
Snap: D/R: 40% Expo: 40%
Spin & 3D: D/R: 100% Expo: 90%
For the RUDDER we recommend the following 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 (+) for JR systems, and (–) for Futaba systems.
Mixing
For best performance, we recommend a linear-mix*:
Rudder → Elevator UP
When you give full rudder to the right or left side, the elevator have to go up (positive)
approx. 1-2%
* if you have a programmable computer radio.
Recommended Center of Gravity
The recommended CG is 130mm behind the leading edge of the TOP wing
against the fuselage.
40mm is good for no wind condition
You can use the battery pack, moving it forward or backward, to achieve the correct
balance.
Pre-flight
Never attempt to make full throttle dives!
If the airframe goes too fast, such as in a high throttle dive, it may fail.
Throttle management is absolutely necessary.
Range test your radio
Before fly, be sure to range check your radio as manufacturer’s instruction
manual of you radio-system recommend.
Double-check all controls (aileron, elevator, rudder and throttle) move in the
correct direction.
Be sure that your motor battery pack is fully charged, as per the instructions
included with your batteries and that your radio is fully charged as per its
instructions.
Finally... have nice flights!
SEBART International S.r.l.
Via L. Tabellione, 1
47891 Rovereta - Repubblica di San Marino (RSM)
www.sebart.it
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