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E-flite Alpha Sport 450 PNP Assembly Manual

Recommended Radio Equipment

You will need a minimum of a 4-channel transmitter 

and receiver. You can choose to purchase a complete 

radio system. If you are using an existing transmitter, 

just purchase the receiver separately. We recommend 

the crystal-free, interference-free Spektrum

 DX5e 

2.4GHz DSM

®

 5-channel system.

If you own a Spektrum radio, just add a DSM2

 

receiver. We show the installation of the AR500 

receiver in the manual.

Complete Radio System

SPM5500 

 DX5e 5-Channel Full Range 

w/o Servos

Or Purchase Separately

SPMAR500  

AR500 5-Channel Receiver

Optional Accessories

EFLA110 

Power Meter

EFLC3005 

 Celectra

 1- to 3-Cell  

Li-Po Charger

EFLC505 

 Intelligent 1- to 5-Cell  

Balancing Charger

EFLSP175 

1

3

/

4

-inch Aluminum Spinner

APC10070E 

10x7 Electric Prop

Replacement Electronics

EFLM1400 

 Park 450 Brushless  

Outrunner Motor, 890Kv

EFLA325A 

 25-Amp Airplane  

Brushless ESC

EFLRS75 

Sub-Micro S75 Servo 

EFLRYH3 

3-inch Y-harness, Lightweight

EFLREX3L 

3-inch Extension, Lightweight

Replacement Propeller

EFLP1070 

10x7 Slow Flyer Propeller

Battery Requirements

EFLB18003S 

 1800mAh 3S 11.1V 20C Li-Po, 

13AWG EC3

or

THP21003SPL2 

 2100mAh 3S 11.1V 20C Li-Po, 

16AWG

Required Tools and Adhesives

Tools & Equipment

Scissors 

Ruler (EFLA264)

Nut driver: 5.5mm

Hex Wrench or Ball Driver: 3/32-inch, 5/64-inch

Phillips Screwdriver:  #0, #1, #2 (EFLA257 and 

EFLA258)

Adhesives

Clear tape 

Threadlock

Optional Tools and Adhesives

Paper towel 

Epoxy mixing cup

Epoxy mixing stick  Epoxy brush

Rubbing alcohol 

6-minute Epoxy (HAN8000)

Propeller reamer 

Drill

Low tack tape

Drill bit: 3/8-inch (9.5mm)

Adjustable wrench or 10mm open-end wrench

Note on Lithium Polymer Batteries

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.

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.

During the course of building your model, we suggest 

that you use a soft base for the building surface. 

Such things as a foam stand, large piece of bedding 

foam or a thick bath towel will work well and help 

protect the model from damage during assembly.

The Spektrum trademark is used with permission 

of Bachmann Industries, Inc.

Summary of Contents for Alpha Sport 450 PNP

Page 1: ...Specifications Wingspan 48 5 in 1230mm Length 40 in 1015mm Wing Area 395 sq in 25 5 sq dm Weight w o Battery 23 24 oz 650 680 g Weight w Battery 28 29 oz 790 820 g Alpha Sport 450 PNP Assembly Manual ...

Page 2: ...anual is divided into sections to help make assembly easier to understand and to provide breaks between each major section In addition check boxes have been placed next to each step to keep track of its completion Steps with a single circle are performed once while steps with two circles indicate that the step will require repeating such as for a right or left wing panel two servos etc Remember to...

Page 3: ... or Ball Driver 3 32 inch 5 64 inch Phillips Screwdriver 0 1 2 EFLA257 and EFLA258 Adhesives Clear tape Threadlock Optional Tools and Adhesives Paper towel Epoxy mixing cup Epoxy mixing stick Epoxy brush Rubbing alcohol 6 minute Epoxy HAN8000 Propeller reamer Drill Low tack tape Drill bit 3 8 inch 9 5mm Adjustable wrench or 10mm open end wrench Note on Lithium Polymer Batteries Lithium Polymer bat...

Page 4: ...e bolts using a 3 32 inch hex wrench or ball driver Use threadlock on all metal to metal fasteners to keep them from vibrating loose Installing the Tail Surfaces Required Parts Fuselage assembly Elevator assembly Rudder assembly 3mm x 50mm machine bolt 3mm locknut 3 3mm steel washer 4 Required Tools and Adhesives Nut driver 5 5mm Phillips screwdriver 1 2 1 Use a 1 Phillips screwdriver to loosen th...

Page 5: ...e 5 Slide a 3mm steel washer on the bolt and then thread a 3mm locknut on the bolt Leave the nut slightly loose at this time 6 Insert the bend in the rudder pushrod wire into the outer hole of the rudder control horn 7 Rotate the rudder into position as shown 8 Insert the threaded rods from the rudder through the two forward holes in the stabilizer and into the holes in the fuselage 9 Slide the ru...

Page 6: ... 1 Plug the leads from the rudder servo elevator servo and speed control into the appropriate ports of the receiver Plug the Y harness into the aileron port of the receiver 2 Use scissors to cut a small piece of hook and loop tape Remove the backing and apply the hook and loop to the bottom of the receiver 3 Remove the remaining backing from the hook and loop tape Position the receiver in the fuse...

Page 7: ...ith the strap When installing the hook and loop strap make sure the wire to the nose gear does not interfere with the strap The wire must remain free to move when the strap is installed 3 Take the connector from the speed control for the battery and insert it though the hole in the battery tray into the battery compartment 4 Use the hook and loop strap to secure the motor battery in the battery co...

Page 8: ...im and stick have been centered at the transmitter Position the nose wheel so it is aligned with the sides of the fuselage as shown in the image below Tighten the screw at the rudder servo using a 1 Phillips screwdriver to secure the nose gear pushrod wire to the connector at the servo If you find your model does not track straight on the runway you may need to re center the nose wheel Do not use ...

Page 9: ...bly Wing panel right and left Wing tube 4 steel washer 2 Wing bolt plate Motor battery charged Transmitter 4 40 x 3 4 inch socket head bolt 2 Required Tools and Adhesives Ruler Phillips screwdriver 0 Threadlock Hex wrench or ball driver 3 32 inch Optional Tools and Adhesives 6 minute epoxy Paper towel Rubbing alcohol Epoxy brush Mixing stick Mixing cup Low tack tape 1 Slide the wing tube in the so...

Page 10: ...e wing and three on the bottom of the wing to hold the wing panels together until the epoxy fully cures C Use a paper towel and rubbing alcohol to remove any excess epoxy from the wing before it has a chance to cure You may need to use two or three clean paper towels to remove all the epoxy residue from the wing 4 Plug the leads from the aileron servos into the Y harness from the receiver that is ...

Page 11: ...o the On position Make sure the throttle stick is toward the bottom of the transmitter or low throttle position Connect the leads for the battery and motor Note It may be necessary to remove the servo arm when centering the servo 9 Loosen the screw that secures the aileron pushrod wire to the servo using a 1 Phillips screwdriver Do this for both ailerons 10 Make sure the aileron stick and trim are...

Page 12: ...e left stick is moved right the rudder should also move right 3 Check the movement of the rudder using the transmitter When the left stick is moved left the rudder should also move left 4 Check the movement of the elevator with the radio system Pulling the right stick back will make the airplane elevator move up 5 Check the movement of the elevator with the radio system Pushing the right stick for...

Page 13: ...ake the airplane elevator move up 3 Check the movement of the ailerons with the radio system Moving the aileron stick right will make the right aileron move up and the left aileron move down 4 Use a ruler to adjust the throw of the elevator ailerons and rudder Adjust the position of the pushrod at the control horn to achieve the following measurements when moving the sticks to their endpoints Note...

Page 14: ...etting for the high rate 7 From center use a ruler to measure the movement of the ailerons Make sure the ailerons move up 1 4 inch 6mm from center and down 1 4 inch 6mm from center Measure both the right and left ailerons to make sure they are working in unison This is the setting for the low rate Elevator Throw 8 Use a ruler to check the control throws on your elevator The dimensions are shown be...

Page 15: ... before installing the propeller Installing the Propeller and Spinner Required Parts Fuselage assembly Propeller Spinner backplate Spinner cone Propeller adapter with nut Required Tools and Adhesives Adjustable wrench Hex wrench or ball driver 5 64 inch Opptional Items 13 4 inch aluminum spinner APC 10x7E propeller Drill Drill bit 3 8 inch 9 5mm or Propeller reamer with 3 8 inch 9 5mm step Importa...

Page 16: ...nch to tighten the propeller nut to secure the assembly to the motor shaft 6 Snap the spinner cone on the spinner backplate It will take a slight amount of force to snap the spinner cone securely Optional Aluminum Spinner and APC Propeller Installation Important Information about Your Propeller It is very important to check to be sure the propeller is balanced after the hole has been enlarged An u...

Page 17: ...motor shaft It should fit snugly on the shaft If it seems to be excessivly loose you have used the wrong motor adapter and need to return to Step B and swap the adapter out with the remaining adapter included with the spinner assembly E Use an adjustable wrench or 10mm open end wrench to tighten the nut This will secure the adapter and propeller to the motor shaft F Place the spinner cone on the b...

Page 18: ...tly nose down This is the correct balance point for your model Balanced Model Nose Heavy Move battery back If the model is positioned with the nose facing downward as shown in the illustration it will be necessary to move the battery rearward in the battery compartment to achieve the correct Center of Gravity Tail Heavy Move battery forward If the model is positioned with the tail facing downward ...

Page 19: ...t of up elevator Takeoff rolls are routinely in the 20 30 foot range with a strong climb out Once at altitude trim the plane for level flight at 3 4 throttle You will find the model behaves in a very benign way in all aspects of the flight envelope Inverted flight requires a fair amount of down elevator and the roll authority is quite good with the prescribed high rate This model is not capable of...

Page 20: ...y Horizon s sole obligation hereunder shall be that Horizon will at its option i repair or ii replace any Product determined by Horizon to be defective In the event of a defect these are the Purchaser s exclusive remedies Horizon reserves the right to inspect any and all equipment involved in a warranty claim Repair or replacement decisions are at the sole discretion of Horizon This warranty does ...

Page 21: ...uld your repair not be covered by warranty the repair will be completed and payment will be required without notification or estimate of the expense unless the expense exceeds 50 of the retail purchase cost By submitting the item for repair you are agreeing to payment of the repair without notification Repair estimates are available upon request You must include this request with your repair Non w...

Page 22: ...t notifying the airport operator I will yield the right of way and avoid flying in the proximity of full scale aircraft utilizing a spotter when appropriate 6 I will not fly my model aircraft unless it is identified with my name and address or AMA number inside or affixed to the outside of the model aircraft This does not apply to model aircraft flown indoors 7 I will not operate model aircraft wi...

Page 23: ... no interference exists will be signed by all parties and copies provided to AMA Headquarters 7 With the exception of events flown under official AMA rules no powered model may be flown outdoors closer than 25 feet to any individual except for the pilot and located at the flightline 8 Under no circumstances may a pilot or other person touch a model aircraft in flight while it is still under power ...

Page 24: ...Printed 06 09 16033 2009 Horizon Hobby Inc 4105 Fieldstone Road Champaign Illinois 61822 USA 877 504 0233 horizonhobby com E fliteRC com ...

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