AeroWorks 50cc Ultimate 20-300 ARF-QB Assembly Manual

Brand: AeroWorks

Model: 50cc Ultimate 20-300 ARF-QB

Category: Toys & accessories

Type: Assembly Manual

50cc Ultimate 20-300 ARF-QB

(Quick Build)

ASSEMBLY MANUAL

AEROWORKS™

4903 Nome Street, Denver, CO. 80239 - Phone 303-371-4222 - Fax 303-371-4320

E-mail - [email protected]

TABLE OF CONTENTS

Page

Aeroworks Contact Information ………………………………………………………………. 3

Introduction ……………………………………………………………………………………... 4

Kit Contents……………………………………………………………………………………… 5

Items Needed To Complete ……………………………………………………………………... 8

Tightening and Re-shrinking The Covering ………………………………………………….. 9

Check Seams and Overlaps for Good Seal ……………………………………………………. 11

Wing Assembly………………………………………………………………….……………….. 12

Inner Cabane Installation ………………………………………………………………………. 17

Stab and Elevator Assembly…………………………………………………………………….. 19

Rudder and Rudder Servo Assembly………………...………………………………………… 21

Tail Wheel Assembly …………………………………………………………………………… 29

Main Landing Gear and Wheel Pant Assembly ……..……………………………………….. 32

Engine/Throttle Installation ……………………………………..……….……………………. 35

Ignition Installation ……………………..……………………………………………………… 42

Fuel Tank Installation………………..………………………………………………………….. 45

Radio Installation ………………………………………………………………………………... 51

Cowl Installation …………………………………………………………………………………. 53

Manual Choke Installation ……………………………………………………………………… 57

Decal Installation ………………………………………………………………………………... 58

Dash Panel and Pilot Installation ………………………………………………………………. 63

Preflight Preparation ……………………………………………………………………………. 64

Center of Gravity (C.G.) …………………..………………………………...………..… 67

Control Throws …………………………………………………………………….…….. 68

Control Throw Deflection Table …………………………………………………………...70

4903 Nome Street

Denver, CO 80239

Phone: (303) 371-4222

Fax: (303) 371-4320

Website: www.aero-works.net

E-mail: [email protected]

Thank you for choosing the Aeroworks 50cc Ultimate 20-300 ARF-QB. We put great

effort into making this plane the best model you will ever build and fly. We have pro-

vided you with the highest quality kit and performance possible. We wish you great

success in the assembly and flying of your new Aeroworks 50cc Ultimate 20-300 ARF-

QB.

!WARNING!

An R/C aircraft is not a toy! If misused, it can cause serious bodily harm and property

damage. Fly only in open areas, and AMA (Academy of Model Aeronautics) approved

flying sites. Follow all instructions included with your plane, radio, and engine.

Aeroworks manufacturing guarantees this kit to be free from defects in both material

and workmanship at the date of purchase. This limited warranty does not cover any

component parts damaged by use or modification. In no case shall Aeroworks liability

exceed the original cost of the purchased kit. Further, Aeroworks reserves the right to

change or modify this limited warranty without notice.

In that Aeroworks has no control over the final assembly or materials used for final as-

sembly, No liability shall be assumed nor accepted for any damage resulting from the

use by the user of the final user-assembled product. By the act of using the user-

assembled product, the user accepts all resulting liability.

We, as the kit manufacturer, have provided you with a top quality, thoroughly tested kit

and instructions, but ultimately the quality and fly ability of your finished model

depends on how you build it; therefore, we cannot in any way guarantee the

performance of your completed model, and no representations are expressed or

implied as to the performance or safety of your completed model.

INTRODUCTION

Your new 50cc

Ultimate 20-300 ARF-QB is a highly aerobatic airplane. It is capable of

both precision and 3-D maneuvers. The aircraft builds easily, quickly, and precisely due to

its state of the art CAD design, LASER cut technology, and high quality included hardware.

We hope you enjoy building and flying your 50cc Ultimate 20-300 ARF-QB.

Great care has been taken in both the design and manufacturing of the 50cc Ultimate 20-

300

ARF-QB to allow for the strongest and lightest construction possible. Only the highest

quality materials from the covering, paint, wood and hardware have been used in the con-

struction of this model.

The 50cc Ultimate 20-300 ARF-QB has been individually hand built, covered and painted

by trained and experienced craftsmen with over 25 years of manufacturing experience. Using

CAD design, laser cut technology and jig-built assures accuracy in all stages of production.

The 50cc

Ultimate 20-300 ARF-QB is designed for gas engines in the 50cc category. The

DA-50cc engine is shown in the assembly instructions. The aircraft was tested with the DA-

50cc and has outstanding performance. The final choice of engine is left up to the builder.

A computer radio is recommended to allow the pilot to take advantage of the full capabilities

of this aerobatic aircraft.

IMPORTANT Please read through this manual carefully, before starting the assembly of

your new 50cc Ultimate 20-300 ARF-QB . Inventory and inspect all parts and hardware

for any imperfections or damage. Notify Aeroworks immediately if there are missing

or damaged parts.

INTENDED USE

This plane should not be regarded as a toy. This is an aerobatic plane and is recommended for pilots

who are beyond the trainer-stage and are comfortable with flying an aerobatic sport plane.

READ LIMITED WARRANTY READ

It is important to notify Aeroworks of any damage or problems with the model within 30

days of receiving your airplane to be covered under warranty. If you wish to return this air-

craft for any reason a 15% restock fee will be charged to the customer. In addition the cus-

tomer is responsible for all return shipping cost and all prior shipping cost will not be re-

funded. Parts will be exchanged or replaced once the original item is returned at the owner’s

expense. If you have any problems, please contact Aeroworks.

Aeroworks cannot insure the skill of the modeler and can not influence the builder during the

construction or use of this aircraft, and therefore, will not be accountable for any property

damage, bodily injury or death caused by this aircraft.

Aeroworks cannot insure the skill of the modeler and can not influence the builder during the

construction or use of this aircraft, and therefore,

The purchaser/operator accepts all responsibility of any and all structural or

mechanical failures.

KIT CONTENTS

50cc Ultimate 20-300 ARF-QB

Materials List

BASIC AIRCRAFT PARTS:

Fuselage – covered, firewall fuel-proofed preinstalled

fin:

(4) 8-32 blind nuts installed for the main landing gear

mounting

(2) 1/4” blind nuts installed for the bottom wing

mounting

(8) 6-32 blind nuts installed for the center cabane

mounting

(10) 4-40 blind nuts installed for the cowling(6) and

stabilizer(4) mounting

(4) Plastic vacuumed hatch inserts for the center ca-

bane holes pre-glued

(1) 850mm Antenna Tube installed

(2) 70mm Pull-Pull cable exist tubes installed

(1) Pilot holes pre-drilled for tail wheel assembly

(1) Top hatch cover for the engine box with AW logo

installed by (4) T2.6x8mm PWA screws

(2) Bottom wing fillet installed – Left and Right,

painted

(1) Center cabane assembly installed

(1) Tinted Canopy installed on the fuse by (13)

T2.6x8mm PWA screws

Top Wing with Aileron – pre-glued at factory, covered:

(4) 6-32 blind nuts installed for the Outer struts

mounting.

(14) pin point hinges glued

(2)Aileron servo string installed

(2) Pilot holes pre drilled for control horns mounting

Bottom Wing with Aileron and belly pan– pre-glued at

factory, covered:

(4) 6-32 blind nuts installed for the Outer struts

mounting.

(14) pin point hinges glued

(2) Aileron servo string installed

(2) Pilot holes pre drilled for control horns mounting

Horizontal Stabilizer –1 Left 1 right with elevator as-

sembly with (10) pin point hinges (glued)---

covered

(2) Pilot holes pre drilled for control horns mounting

Rudder with (7) pin point hinges (not glued) – covered

(2) Pilot holes pre drilled for control horns mounting

(1) Pilot holes predrilled for steering tiller

SUB ASSEMBLIES:

#1:

(1) Fiberglass Cowling—painted with (6) screws

holes

(6) 4-40x16mm hex style bolts for mounting of the

cowling

(6) #6 bonded washers for mounting of the cowling

(6) Φ3mm split ring lock washers for the mounting of

the cowling

(1) Plastic vacuumed fairing for center cabane

#2:

(1) 5mm 7075 Aluminum Main Landing Gear --

painted

(2) 5mm dia. X45mm AL Axle

(2) M8 lock nuts

(4) 5mm i.d. Wheel Collars with set-screws

(2) 85mm Dia. Main Wheels (Lite Type)

(4) 4-40x14mm hex style bolts for mounting wheel

pants

(4) Φ3mm flat washer for mounting wheel pants

(4) Φ3mm split ring lock washer for mounting wheel

pants

(4) 8-32x25mm hex head bolts for mounting main

landing gear

(4) Φ4mm flat washers for mounting main landing

gear

(4) Φ4mm split ring lock washer for mounting main

landing gear

#3:

(2)Wheel Pants—1 Left and 1 Right---Painted

(4) 4-40 blind nuts installed on the wheel pants, 2 per

side.

#4:

(1) AL Tail Wheel Assembly – Medium with solid

rubber wheel

#5:

(2) Outer struts – Left and Right, covered, marked

with BL, BR (Bottom Left, Bottom Right)

(8) 6-32x10mm hex head bolts for the Outer struts

mounting

(8) 6-32 lock nuts for the Outer struts mounting

(8) 2mm L steel Outer struts fittings

(8) 6-32x10mm hex head bolts for the L steel Outer

struts fittings

(2) 1/4x40mm Nylon Bolts for the bottom wing

mounting

#6:

(4) 4-40 3” left and right hand threaded pushrod with

nuts for ailerons

(2) 4-40 2.5” left and right hand threaded pushrod

with nuts for elevators.

(2) 4-40x300mm Threaded pushrod-Throttle/Choke

(2) 4-40 solder couplers

(8) Brass spacers – 4 for ailerons; 2 for elevators; 1

for throttle; 1 for choke

(8) 3mm flat washers – 4 for ailerons; 2 for elevators;

1 for throttle; 1 for choke

(14) 4-40 Ball Link – 8 for ailerons; 4 for elevators; 1

for throttle; 1 for choke

(14) 4-40x16mm hex style bolts

(14) 4-40 lock nuts

#7:

(2) 1x1000mm plastic coated pull-pull steel cable.

(4) 4-40 Metal R/C links with nuts

(4)Φ3.5x4mm brass pull-pull swaging tubes

(8) AL double control horns

(48) T2.6x12mm Phillips head mounting screws for

the control horns

(4) 4-40 Ball Links-Rudder

(4) 4-40x16mm hex style bolts

(4) 4-40 lock nuts

(2) Brass spacers

(2) 3mm flat washers

#8:

(1) 750cc Gas Fuel Tank assembly

(1) 450cc Smoke Tank assembly

(1) 4ft. large gas fuel line

(4) brass barbs for fuel tank

(2) Fuel filler dot - 1 male and 1 female

#9:

(2)Throttle servo mounting trays

(1) 4-sided throttle servo mounting tray

(2) Engine mounting template (DA, 3W)

(1) 140x70x6mm foam for the Fuel tank

(1) 160x70x6mm foam for the smoke tank

(2) 300x80x6mm sponge for the receiver and battery

(8) 8x450mm Nylon Ties for the fuel tank mounting

(10) 3x150mm Small Nylon ties for the fuel line

(4) 356x12.5mm Velcro straps

(1) paper degree meter for the rudder

(1) 12mm dia. aluminum insert

(6) Rubber Grommets - each 2 for

Φ6mm,Φ8mm,Φ10mm-fuel line and wire guide

(1) Card Stock (8-1/2”x12”) for making of the tem-

plate for cutting of cowling

(1) Custom Throw Meter

#10:

(24) 6.35mm aluminum engine stand offs.

#11:

(2) Aluminum stabilizer tubes – 383mm; 176mm

anodized black

(4) 4-40x16mm hex style head bolts for stab mount-

ing

(4) #6 bonded washers for stab mounting

(4) Φ3mm split ring lock washers for stab mounting

#12:

(1) 300x300mm Pearl Blue Covering

(1) 300x300mm Cub Yellow Covering

(1) 300x300mm White Covering

(2) 20x1800mm Transparent Covering for the seal-

ing of the hinge gap

(1) 300x300mm Black Covering

(1) 300x300mm Cub Yellow Covering

(1) 300x300mm True Red Covering

(1) 300x300mm Silver Covering

(2) 20x1800mm Transparent Covering for the seal-

ing of the hinge gap

#13: Vinyl Decal Set

#14: Manual CD

Hardware:

ITEMS NEEDED TO COMPLETE

• 50 CC Gas engine and ignition

• Pitts style muffler

• Engine mounting bolts, and washers.

• 3 1/2” Spinner and propeller of choice

• 4 x aileron servos (min 180 in./oz. Torque,

Digital, Metal geared) Rec. HS7985-MG

• 1 x rudder servo (min 180 in./oz. Torque,

Digital, Metal geared) Rec. HS7985-MG

• 2 x elevator servos (min 180 in./oz. Torque,

Digital, Metal geared) Rec. HS7985-MG

• 1 x throttle servo (Fast/Reliable) Rec. HS5645-

• 1 x choke servo (Fast / Reliable) optional

• Servo extensions 9 x 6,” 2 x 24,” 2 x 11” Y’s

• 1 x 8 channel receiver ( PCM recommended)

• 1 x receiver battery (min 6.0 volt / 1700ma)

• 1 x ignition battery (min 4.8 volt / 1700ma)

• 2 x switches with charge jacks

• 10 x Safety Clips

Tools:

• Allen wrenches US and Metric.

• Dremel cutting disc and sanding drum tool

• Electric drill and selection of bits

•

Razor saw

•

Flat head screwdriver

•

Hobby heat gun

•

Hobby iron and covering sock

• Masking tape

• Modeling knife

• Needle nose pliers or crimping tool

•

Paper towels

•

Pen, pencil or felt tipped marker

• Phillips screwdriver

• Rubbing alcohol

• Ruler and tape measure

• Scissors

• T pins

• Waxed paper

• Wire Cutters

Adhesives:

• 15-30 Minute epoxy

• Blue Loctite

• Epoxy mixing cups, mixing sticks, brushes

•

CA kicker (optional)

• Thick, Thin and Medium CA

• Rubbing alcohol

• Wipes

WARNIN G

Some rubbing alcohols

may attack painted parts.

2. Open your kit slowly and take care not to dam-

age any parts of the kit. Remove all parts from

their plastic protective covers for inspection.

Before doing any assembly or installation of any

decals it is very important to re-shrink or re-

tighten the already applied covering. Due to the

shipping process, heat and humidity changes

from different climates, the covering may be-

come lose and wrinkle in the sun. If you take the

time to re-tighten the covering, you will be re-

warded with a long lasting beautifully covered

model.

TIGHTENING AND RE-SHRINKING THE COVERING

3. Using your covering iron with a soft sock, gently

apply pressure and rub in the covering. If any

bubbles occur, your iron may be to hot. Reduce

heat and work slowly.

4. If bubbles persist, use a small pin to punch holes

in the bubble to relieve trapped air and reheat.

1. Remove the canopy before applying heat to the

covering. Excessive heat from covering irons or

heat guns can cause the canopy to melt or warp.

6. Your model is covered with Ultracote™ cover-

ing. In case of repairs, the colors are:

Yellow/Silver/Blue Scheme

Pearl Blue #845

Silver #881

Cub Yellow #884

White #870

Red/Yellow/Black Scheme

Black #866

Silver #881

True Red #866

Cub Yellow #884

5. Use your heat gun with extreme caution. Take

care not to apply too much heat to one area for

long periods of time. This may cause the trim

colors to over shrink and pull away leaving un-

sightly gaps on the color lines. The trim stripes

are especially vulnerable to over shrinking.

Tightening and re-shrinking the covering is now

complete

. However, this is a never ending

process and should be checked after each

flying session.

1. Go over all seams and color overlaps with

your sealing iron.

Note: Even if your models covering has no

wrinkles out of the box it is still very important

to go over all seams and overlaps to make cer-

tain they are sealed securely. This is espe-

cially important at the leading edges of the

wings and stabs. We recommend checking

the covering after each flying session.

CHECKING SEAMS AND COLOR OVERLAPS FOR GOOD SEAL

2. Use your covering iron to ensure all edges,

seams, and color overlaps are securely sealed.

3. This is an optional step but is recommended.

Cut strips of the supplied clear covering to fit

the hinge gaps. Use covering iron to seal the

clear covering snugly into the bottom of the

hinge lines as shown for air tight hinge seals.

IMPORTANT:

It is the responsibility of the purchaser /

operator to check the covering seams and

overlaps for security and a good seal.

Aeroworks is not responsible for failure of

covering seams or overlaps during flight.

Note: If covering continues to lift apply a small

amount of thin CA underneath the covering.

Then using a clean rag apply pressure to secure.

One of the most important tools in your

flight box is a roll of clear tape. This can be

used at the field for fast and easy repairs of

the covering. Then once you have finished

flying the covering can be permanently

repaired.

Aileron Servo Installation

1. Gather the aileron servos, servo mounting

screws, (4) 6” Servo extension, (4) 1 1/4” Servo

arms and (4) Aeroworks Safety Clips

as shown

below.

Note: The ailerons have been pre-hinged and glued

to the wing panels and are ready for flight. No

other steps are necessary for hinging.

WING ASSEMBLY

2. Layout the servo and extension on the wing to

test fit the installation and ensure servo lead is

the correct length.

Note: 180 in. oz. digital, metal geared servos are

recommended. Servo selection can be the

difference between a great flying model and

a model that will crash. Always use brand

name high quality servos.

3. Attach the 6” extension to the servo lead and

secure with an Aeroworks safety clip

. Ensure

the plugs will not come apart from vibration or

light tension.

4. Remove the balsa stick with the pull string from

the servo well and tie the pull string to the servo

lead as shown.

Note: Secure with tape so that the string pulls from

the front end of the plug

. Taper the tape to

avoid hang-ups inside the wing.

5. Pull servo extension through wing and pro-

vided exit holes in wing panel.

6. Install servo in servo well with the output arm

toward the leading edge of the wing. Drill

holes for servo mounting screws.

7. Install servo with servo mounting screws. Re-

peat servo installation process for all aileron

servos.

Aileron Control Linkage Installation

1. Gather the aileron control linkage parts as shown

below.

4 pushrod assemblies with ball links

8 4-40 Bolts and lock nuts

4 Washers

4 brass spacers

4 left and right side control horn

24 wood screws

1 Adjustment Wrench

2. Assemble the pushrod and control horn assem-

bly as shown. The ball link goes between the

left and right sides of the control horn sides and

is secured with a nylon lock nut. Start with the

center hole in the control horn. The ball link

may be moved up or down for more or less con-

trol throw. Brass spacer goes between servo arm

and ball link.

3. Correct installation of ball link, flat washer and

brass spacer to servo arm shown below.

4. Align the control horns over the factory drilled

holes.

Note: Control horns have been set at a slight

offset to allow for maximum torque at full

deflection

6. Securely fasten the control horn to the aileron

with six wood screws as shown.

7. Tape the trailing edge of the aileron to the trail-

ing edge of the wing in the neutral position.

Plug the servo into the receiver and turn radio

on. Ensure the servo trim and sub trim is cen-

tered. Adjust the length of the pushrod so that

the servo arm is parallel to the aileron hinge line

when it is placed on the servo output shaft.

Screw servo arm on the servo output shaft.

Note: On metal geared servos use Loctite for all

Servo arm mounting screws.

8. Finished Aileron servo installation shown below.

Repeat all the above steps for the other three

ailerons.

5. Use a drop of thick CA glue on each screw as

shown.

2. Use loctite to prevent the strut mounting bolts

from loosening.

3. Wing assembly is now complete.

Note: Check mounting bolts are tight before each

flying session.

Note: Do not over tighten bolts this could damage or

strip the blind nuts

Outer Strut Mounting Bracket

Installation

1. Gather the (8) steel strut mounting brackets, (8)

mounting bolts, and (8) washers as shown be-

low.

1. Remove the rear inner cabane mounting bolts as

shown.

2. Remove the 4-40 mounting bolt on the rear ca-

bane as shown below.

3. Remove the rear cabane as shown below.

4. Slide the male end of a 6” extension through the

plastic insert inside the fuse hatch as shown be-

low.

INNER CABANE INSTALLATION

5. Route the extension into the fuse as shown be-

low. Reinstall the rear cabane at this time.

6. Use blue loctite on the cabane mounting bolt as

shown below. Reinstall the mounting bolts at

this time.

Note: We recommend removing all cabane

mounting bolts and reinstall using loctite.

STAB AND ELEVATOR ASSEMBLY

Elevator Servo Installation

1. The elevators have been pre-hinged and glued to

the stabs and are ready for flight. No other steps

are necessary for hinging. Clear covering has

been provided for sealing of the hinge gaps if

desired.

Gather the stabs and elevators, one eleva-

tor servos, and 36” servo extensions.

Note: 36” servo extension will be used to

connect servos to receiver during a later

step.

2. Install servo in servo well with the output shaft

toward the leading edge of the stab. Fish the

servo lead through the stab and out of the stab

root rib.

1. Gather the elevator control linkage parts as

shown below. There are (2) 4-40 pushrods, (4)

4-40 ball link assemblies, (2) Flat washers (2)

brass spacers, (2) left and (2) right side control

horns, (1) Adjustment wrench and (12) wood

screws.

Elevator Control Linkage Installation

2. Assemble the pushrod and control horn assem-

bly as shown. The ball link goes between the

left and right sides of the control horn sides and

is secured with a nylon lock nut.

4. Install the control horns using the same method

described for the wings.

3. Correct installation of ball link, flat washer and

brass spacer to servo arm shown below.

5. Use tape to hold elevator in the neutral position.

Plug the servo into the receiver and turn radio

on. Ensure the servo trim and sub trim is cen-

tered. Adjust the length of the pushrod so that

the servo arm is parallel to the elevator hinge

line when it is placed on the servo output shaft.

Screw servo arm on the servo output shaft.

Note: On metal geared servos use Loctite for all

Servo arm mounting screws.

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AeroWorks 50cc Ultimate 20-300 ARF-QB Assembly Manual

Brand: AeroWorks

Model: 50cc Ultimate 20-300 ARF-QB

Category: Toys & accessories

Type: Assembly Manual

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AeroWorks 50cc Ultimate 20-300 ARF-QB Assembly Manual

AeroWorks 50cc Ultimate 20-300 ARF-QB Assembly Manual

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