Seagull Models CLASSIC UGLY STICK User Manual

WWW.SEAGULLMODELS.COM
1
ASSEMBLY MANUAL
www.seagullmodels.com
Specications:
Wingspan---------------70.9 in (180 cm).
Wing area---------------1033.2 sq.in (66.7 sq.dm).
Weight-------------------7.7 lbs (3.5 kg).
Length-------------------57.8 in (146.8 cm).
Engine-------------------10cc - 15cc gasoline
----------------------------.60 -.91 glow engine
----------------------------1200-1500 Watt Brushless Motor
Radio---------------------4 channels with 5 servos.
Electric conversion: Optional.
“ Graphics and specications may change without notice “ .
Code : SEA255

Seagull Models CLASSIC UGLY STICK Specifications

General

Material	Balsa and Plywood
Recommended Age	14+
Radio	4 channels
Servos	4 standard servos
Skill Level	Intermediate
Type	RC Airplane
Covering	Oracover

Summary

Introduction and Warnings

Safety Warning and Disclaimer

Crucial safety warning regarding model operation risks and responsibilities.

Hinging the Ailerons

Prepare and Position Hinges

Steps to prepare hinges and align them on the wing panel.

Glue Aileron Hinges

Applying C/A glue to secure the aileron hinges to the wing.

Hinging the Ailerons (Continued)

Saturate Hinges with C/A Glue

Ensuring thorough glue penetration for strong hinge bonding.

Install Aileron Control Horn

Installing Aileron Servos

Route Servo Leads Through Wing

Secure Aileron Servos in Mounts

Aileron Pushrod and Wing-Fuselage Attachment

Prepare Aileron Pushrod Wire

Engine Switch and Fuel System Setup

Assemble Fuel Tank Stopper System

Preparing the fuel tank stopper with pick-up and vent tubes.

Fuel Tank Installation

Position and Secure Fuel Tank

Installing and securing the fuel tank within the fuselage.

Connect Fuel Lines to Engine

Connecting fuel tank lines to the engine and muffler.

Engine Mount and Mounting

Install Engine Mount Rails

Attaching the engine mount rails to the firewall securely.

Mount Engine and Install Pushrod Tube

Positioning the engine and routing the throttle pushrod tube.

Mounting the Engine

Connect Throttle Pushrod

Secure Engine and Servo Horn

Electric Power Conversion

Prepare Electric Motor Box Components

Attach Motor Box to Firewall

Electric Power and Spinner Installation

Install Speed Control and Battery

Main Landing Gear Installation

Select Landing Gear Configuration

Mount Main Landing Gear

Nose Gear Installation

Attach Nose Gear Assembly

Elevator Hinging and Horizontal Stabilizer

Hinge Elevators to Control Surfaces

Prepare Horizontal Stabilizer Slot

Horizontal Stabilizer Installation

Mark and Trim Fuselage Covering

Epoxy Horizontal Stabilizer

Vertical Stabilizer Installation

Insert and Align Vertical Stabilizer

Secure Vertical Stabilizer with Epoxy

Control Linkages and Horns

Install Elevator and Rudder Horns

Installing Battery and Receiver

Connect Control System Components

Final Assembly and Balance

Determine Center of Gravity (CG)

Locating the correct CG for stable flight characteristics.

Set Control Surface Throws

Specifying recommended throws for optimal control response.

Control Throws Diagram

Recommended Control Throws

Visual representation of specified control surface movements.

Flight Preparation and Preflight Checks

Check Control Surface Operation

Verifying correct movement and direction of all control surfaces.

Perform Preflight System Checks

Comprehensive pre-flight checklist for safety and readiness.