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Carl Goldberg Products Cub User Manual

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Additional Items Needed
4-channel (or more) Radio Control Set
CA or Epoxy glue (large)
1/2oz. Thin CA glue
.40 to .61 (.90 4-cycle) R/C engine
13 running ft of covering material ( two
79”
rolls of material)
Paint (fuel-proof, quantity
depends on desired finish)
one 1-1/4” and two 3-1/4” Wheels
1/2” x8” x12” CG R/C Foam Rubber
Optional T
ools
CG Engine Test Stand (no. 293)
Propeller balancer
Combination prop/glow-plulg wrench
CG Hinge Slotting Kit (no. 269)
Engine Mounting Option
Drill & Tap, Size No. 43
There really is nothing like a “Cub”! The C.G. version retains the honest, easy to fly qualities that made the full size airplane famous.
With the standard long wing, the model is a very graceful, realistic flyer. It’s aerobatic performance tends to be big,round, and slow.
Like the full size airplane, the model can be modified into an aerobatic version byshortening the wings. This “Clipped Wing” option
is a thrilling aerobatic machine that will provide outstanding performance, including point rolls, inside and outside
maneuvers, snaps and spins.
Building is easy, but to prevent simple mistakes, the step-by-step instructions should be followed. Many a modeler has made two
right fuselage sides instead of one right and one left as a results of not following the directions.
The Cub can be finished in any of the unlimited color schemes of of the original airplane.We show three popular types; standard,
sport, and military. Color scheme information's provided later in the instructions.
We’re sure that you will enjoy countless hours of flying fun with your Goldberg Cub, just as generations of pilots have had with
theirs!
Optional Parts
For Door Details
1/16” black CG Color-Stripe tape
Pilot figure (2” Scale)
“Pitts” type muffler (2-cycle only)
Small tube silicone caulk
Zap Formula 560 canopy glue
For optional “Military L-4” Scheme
WWII decals (various manufacturers)
Paint for Fuse Interior
Small spray can (gray)
Paint for Engine Detail
Artist’s acrylics, etc.
For simulating tail bracewires
1/16” nom. x36” elastic cord
Optional “Scale” Gear Struts
.025 x1/4” x2” brass strip
CG 1/16” Threaded Couplers (No.
217)
CG Mini-Snaps (No. 210)
5/32” O.D. dia. x 10” brass tube
3/32” O.D. dia. x 7” brass tube
Soldering iron, etc.
Tools & Supplies Needed
(You probably already have most of these)
Miscellaneous rubber bands
Wax paper or plastic wrap
Modeling knife or single edge razor blade
Sandpaper block & sandpaper; any grade 100
to 200, and any grade 240 to 320
A few dozen straight pins (“T” pins best)
Light power or hand drill & drill bits (sizes
1/16”,
3/32”, 1/8”, 5/32”, 3/16”, & 1/4”)
Three Allen wrenches (1/16” for #6 set screw
and 3/32” for #4 & 7/64” for #6 socket head
screws)
Flat building board (that you can push pins
into)
24” x 60”
Pliers
Small screwdrivers (1/8” and 3/16” blade tips)
Iron for applying covering (small household or
travel iron may be okay.
Masking, drafting, or scotch tape (for Holding
parts during assembly)
Carl Goldberg Products, Ltd.
P.O. Box 818 Oakwood, Ga. 30566 Phone 678-450-0085 Fax 770-532-2163 www.carlgoldbergproducts.com
©copyright 1985 Carl Goldberg Products, Ltd. Pt. #2077 issue #2 4-1-94
Instructions
Cub
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Carl Goldberg Products Cub Specifications

General IconGeneral
BrandCarl Goldberg Products
ModelCub
CategoryToy
LanguageEnglish

Summary

Selecting Radio Control Equipment

Engine & Propeller

Adhesives

Caution

Windshield

Covering The Model

Clipped Wing Option

Wood Parts Identification

I TAIL ASSEMBLY

III WING ASSEMBLY

II FUSELAGE ASSEMBLY

II FUSELAGE ASSEMBLY

III WING ASSEMBLY

WING JOINING & COMPLETION

IV COVERING

GENERAL

Introduction to the covering process, preparation, and general tips for a smooth finish.

STOCK YELLOW

Guidance on covering the model with a yellow scheme and painting details.

SUNBURST

Method for covering with white and applying sunburst designs.

MILITARY

Instructions for covering with yellow and painting military colors.

PAINTING FABRIC COVERING

Finishing recommendations for fabric covering with paints and dopes.

PAINTING PLASTIC FILMS

Adhesion techniques for painting plastic films used for covering.

COVERING THE WING

COVERING THE TAIL

TRUING WING

COVERING THE FUSELAGE

DECAL INSTRUCTIONS

FINAL ASSEMBLY

INSTALLING HINGES

FUEL SYSTEM

OPTIONAL PRESSURE FEED

Using the fuel line fitting for pressure feeding the engine for improved reliability.

ENGINE DETAIL

WING STRUTS

TAIL WIRE BRACING

LANDING GEAR SHOCK STRUTS

PILOT FIGURE

VI PREPARATION AND INSTALLATION OF RADIO

BALANCING THE MODEL

Procedure for achieving proper center of gravity balance for the model.

Radio installation

Steps for installing radio components, including servos and wiring.

Servo arrangement

Guidance on positioning and connecting servos for control functions.

TYPICAL RADIO EQUIPMENT LOCATION

5. Servo Movements.

Checking and verifying correct servo rotation and control surface response.

6. Mounting The Control Horns and Pushrods.

Instructions for attaching control horns and pushrods to control surfaces.

WINDOW INSTALLATION

PRE-FLIGHT & BASIC AEROBATICS

VII WHERE TO FLY YOUR MODEL

Recommendations for selecting suitable flying locations and joining clubs.

VIII RADIO CHECK

Procedure for performing a thorough radio system check before flying.

PRE-FLIGHT CHECK LIST, THINGS TO DO, AND THINGS TO TAKE TO THE FIELD

A comprehensive checklist of items and tasks for pre-flight preparation.

AEROBATICS

Introduction to performing advanced flight maneuvers and practicing techniques.

TOUCH AND GOES

THE LOOP

THE STALL TURN

THE HORIZONTAL ROLL

INVERTED FLIGHT

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