E-flite Mini Ultra Stick ARF User Manual
Mini Ultra Stick
Assembly Manual
Table of Contents
Introduction ................................................................2
Specifications .............................................................2
Contents of Kit/Parts Layout .........................................
Required Radio Equipment ...........................................
Important Information About Motor Selection .................
Sport Setup ................................................................
High Power Setup (Using Gearbox)* ............................
Required Tools and Adhesives ......................................
Optional Accessories ..................................................
Using the Manual .......................................................
Warning ....................................................................
Before Starting Assembly .............................................
Note on Lithium Polymer Batteries .................................
Warranty Information ..................................................
Landing Gear Installation ...........................................
Firewall Installation ...................................................
Outrunner Motor Installation .......................................
Inrunner Motor Installation .........................................
Tail Installation ..........................................................
Wing Preparation .....................................................
Quad Flap Modification (Optional) .............................
Radio Installation ......................................................
Final Assembly .........................................................
Range Testing the Radio ............................................
Control Throws .........................................................
Center of Gravity ......................................................
Preflight ...................................................................33
2005 Official
AMA National Model Aircraft Safety Code ........
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Introduction
Thank you for purchasing the E-flite™ Mini Ultra Stick ARF.
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The Mini Ultra Stick is an electric park flyer version of the
popular Hangar 9® Ultra Stick™ series and has similar
flight characteristics as the larger version. It is ideal for those
transitioning into aerobatic park flyers who do not want a
higher performance 3D airplane. We include two firewall
options for you to decide if you want to install a brushless
outrunner motor or an inrunner motor.
Specifications
Wingspan: 38.75 in (985mm)
Length: 34 in (865mm)
Wing Area: 325 sq in (21 sq dm)
Weight w/o Battery: 19–20 oz (540–565 g)
Weight w/ Battery: 22–25 oz (625–710 g)
Contents of Kit/Parts Layout
Large Replacement Parts:
EFL2251 Wing w/Ailerons
EFL2252 Fuselage
EFL2253 Tail Set
EFL2255 Landing Gear w/Wheels
EFL2256 Firewall Set
EFL2257 Hatch
Small Replacement Parts
EFL2254 Pushrod Set
EFLA200 Micro Control Horns
EFLA201 Micro Pushrod Keepers
EFLA203 Micro Control Connectors
EFLA213 E-flite/JR/Horizon Decals
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Required Radio Equipment
You will need a minimum 4-channel transmitter, crystals,
micro receiver, and four sub-micro servos. You can choose
to purchase a complete radio system that includes all of
these items or, if you are using an existing transmitter, just
purchase the other required equipment separately.
You may wish to install the optional quad flaps, in which
case you will need a 7-channel radio and receiver on
72 MHz with mixing and six sub-micro servos.
The Spektrum radio system listed below will not work for the
quad flap option.
Or Purchase Separately
JSP30610 6-Channel UltraLite Rx w/o Crystal,
Positive Shift JR/Air (72 MHz)
Or
JSP30615 6-Channel UltraLite Rx w/o Crystal,
Negative Shift Fut/HRC (72 MHz)
JRPXFR** FM Receiver Crystal
EFLRS75 7.5 Gram Sub-Micro Servo (4)
JSP98020 Y-Harness, Standard 6"
JSP98100 Servo Extension, 3"
Complete Radio System
SPM2460 DX6 DSM 6CH Park Flyer w/4-S75
Note: We recommend the crystal-free,
interference-free Spektrum DX6 2.4GHz DSM
6-channel System, which includes a micro
receiver and 4 sub-micro servos.
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Optional Quad Flaps
EFLRS75 7.5 Gram Sub-Micro Servo (6)
JSP98100 Servo Extension, 3" (6)
JSP98030 Servo Extension, 12" (2)
JRPR700 R700 7CH Slimline FM Rx
Important Information About Motor Selection
The Mini Ultra Stick does not include a gearbox or propeller.
However, we do include two different firewalls for attaching
to the nose of the plane. You need to first determine what
power system you will be using, an inrunner with a gearbox,
or an outrunner. We even include a firewall stick mount,
which attaches to the Stick Mount Firewall. The Outrunner
Firewall can accommodate small and larger outrunners, with
options of mounting your outrunner on the outside with your
aluminum mount or inside of the nose directly to the firewall.
We are recommending the Park 450 Brushless Outrunner
Motor, 890Kv (EFLM1400) with a 10x7 propeller
(EFLP1070). This will provide you with excellent aerobatic
power for sport pilots and a worry-free Outrunner motor.
For a geared alternative, try the Park 400 Brushless Inrunner
Motor, 4200Kv (EFLM1100) with a 6.5:1 gearbox
(new HD EFLM240), 11x7 propeller (EFLP1170), and a
2100mAh 3-cell Li-Po battery. This setup will provide more
power for extreme flights.
It is very important to monitor gearbox wear and motor
temperature when using the 4200Kv motor. Lack of proper
throttle management using this motor and a 3-cell Li-Po
battery may result in damage to the motor, gearbox, ESC,
and battery. Adequate motor cooling is also very important,
so make sure the motor is cooled properly in the cowl.
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Sport Setup
High Power Setup (Using Gearbox)*
EFLM1400 Park 450 Brushless Outrunner Motor,
890Kv
EFLA311B 20-Amp Brushless ESC (V2)
EFLP1070 10 x 7 Slow Flyer Prop (2)
THP21003SPL 2100mAh 3-Cell 11.1V Li-Po, 16GA
or
EFLB1035 11.1V 2100mAh 3-Cell Li-Po, 16GA
WSD1300 Ultra Plug, Male/Female Set
EFLC3005 Celectra™ 1–3 Cell Li-Po Charger
This is a sport flyer setup for smooth and stable flights.
EFLM1100 Park 400 Brushless Inrunner Motor,
4200Kv
EFLM240 400 Gearbox, 6.5:1 0.5 Module
w/2 Pinions
EFLA311B 20-Amp Brushless ESC (V2)
EFLP1170 11 x 7 Slow Flyer Prop
EFLA270 Spinner, 1-3/4” Red (optional)
or
EFLA204 Micro Rubber Spinner (optional)
THP21003SPL 2100mAh 3-Cell 11.1V Li-Po, 16GA
or
EFLB1035 11.1V 2100mAh 3-Cell Li-Po, 16GA
WSD1300 Ultra Plug, Male/Female Set
EFLC3005 Celectra 1-3 Cell Li-Po Charger
Proper throttle management is required when using high
performance setups. Using this setup with 3 cells will give
you plenty of power for zippy flights.
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Required Tools and Adhesives
Optional Accessories
Tools & Equipment
EFLA250 Park Flyer Tool Assortment, 5-piece
Or Purchase Separately
EFLA257 Screwdriver, #0 Phillips (or included with
EFLA250)
EFLA255 Nut Driver, 5.5mm (or included with
EFLA250)
EFLA251 Hex Wrench: 3/32" (or included with
EFLA250)
Hobby knife
Square
Ruler
Felt-tipped pen
String
Adhesives
Medium CA
Thick CA
HAN8000 6-Minute Epoxy (option for
attaching firewall)
Threadlock (for mounting motor to gearbox)
EFLA110 Power Meter
EFLA212 Gear Puller: 1mm–5mm Shaft
Using the Manual
This manual is divided into sections to help make assembly
easier to understand, and to provide breaks between each
major section.
Remember to take your time and follow the directions.
Warning
An RC aircraft is not a toy! If misused, it can cause serious
bodily harm and damage to property. Fly only in open
areas, preferably at AMA (Academy of Model Aeronautics)
approved flying sites, following all instructions included with
your radio.
Keep loose items that can get entangled in the propeller
away from the prop, including loose clothing, or other
objects such as pencils and screwdrivers. Especially keep
your hands away from the propeller.
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Before Starting Assembly
Note on Lithium Polymer Batteries
Before beginning the assembly of your Mini Ultra Stick,
remove each part from its bag for inspection. Closely inspect
the fuselage, wing panels, rudder and stabilizer for damage.
If you find any damaged or missing parts, contact the place
of purchase.
Lithium Polymer batteries are significantly
more volatile than alkaline or Ni-Cd/
Ni-MH batteries used in RC applications.
All manufacturer’s instructions and warnings
must be followed closely. Mishandling of
Li-Po batteries can result in fire. Always follow
the manufacturer’s instructions when disposing
of Lithium Polymer batteries.
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Warranty Information
Horizon Hobby, Inc. guarantees this kit to be free from
defects in both material and workmanship at the date of
purchase. This warranty does not cover any parts damaged
by use or modification. In no case shall Horizon Hobby’s
liability exceed the original cost of the purchased kit. Further,
Horizon Hobby reserves the right to change or modify this
warranty without notice.
In that Horizon Hobby has no control over the final assembly
or material used for the final assembly, no liability shall be
assumed nor accepted for any damage of or caused by
the final user-assembled product. By the act of using the
product, the user accepts all resulting liability.
Once assembly of the model has been started, you must
contact Horizon Hobby, Inc. directly regarding any warranty
question that you have. Please do not contact your local
hobby store regarding warranty issues, even if that is where
you purchased it. This will enable Horizon to better answer
your questions and provide service in the event that you may
need any assistance.
If the buyer or user is not prepared to accept the liability
associated with the use of this product, they are advised to
return this kit immediately in new and unused condition to
the place of purchase.
For any additional questions please contact:
Horizon Hobby Product Support
4105 Fieldstone Road
Champaign, Illinois 61822
(877) 504-0233
www.horizonhobby.com
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Landing Gear Installation
Required Parts
• Fuselage
• Landing gear assembly with wheels
• 4-40 x 1/2" socket head screw (2)
• #4 washer (2)
Required Tools
• Hex wrench: 3/32"
1. Locate the landing gear assembly. Attach the
landing gear assembly to the fuselage using
two 4-40 x 1/2" socket head screws and two
#4 washers.
Note: The landing gear will only fit one
direction for the holes to line up properly. Also,
check that the wheel will rotate freely. If not,
loosen the nuts and retighten.
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Firewall Installation
Required Parts
• Outrunner firewall or Stick Mount firewall
• 4-40 blind nut (4)
Required Tools and Adhesives
• 6-minute epoxy
or
• Thick CA
1. The Mini Ultra Stick does not include a gearbox
or propeller. However, we do include two
different firewalls for attaching to the nose of the
plane. You need to first determine what power
system you will be using, an inrunner with a
gearbox, or an outrunner. We even include a
firewall stick mount, which attaches to the Stick
Mount firewall. The Outrunner firewall can
accommodate small and larger outrunners, with
options for mounting your outrunner on the
outside of the aircraft with your aluminum mount
or inside of the nose directly to the firewall.
Choose the firewall that fits best with the motor you have
selected to use. Install the 4-40 blind nuts to the firewall as
shown. This will be the back-side of the firewall.
Note: White UltraCote® is on the front side
(outside) of the firewall and the blind nuts
should be inserted on the inside of the firewall.
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