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Part 1 - Chassis
Part 2 - Tail
Part 3 - U/Carriage
Part 4 - Servos
Part 5 - Electrics
Part 6 - Flight Trials
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Analysis
 
        

 

Scratch Built Collective Pitch Hornet Hybrid V2

Analysis

Costs:

The following is a breakdown of the costs associated with completing the helicopter together with supplier details, note this does not include the cost of the original donor helicopter:

Component:
 
X-Pro CNC Light Aluminium Swashplate
Carbon Canopy
3 x Supertec Titch-44 Servos
CSM HLG200 Heading Lock Gyro
Century Micro 6ch Receiver - 35mhz
Wallen Antenna Helimast
SAB 255mm Carbon Main Blades
 
Aluminum Servo Links with Ball-Bearings
 
 
Aluminium Headblock
Aluminium Stabilizer Bed
Aluminium Stabilizer Anti-Rotation Horn
 
Carbon Sheet 1.5mm
 
 
12.5mm Delrin Sheet
 
 
Hornet CP Connecting Rods
 
 
E-Tec 3S1P 1700mAh (10C) Flight Pack
Castle Creations Phoenix 25 25A ESC
 
Feigao Micro Baby Brushless Motor 12mm
Supplier:
 
Midland Helicopters
http://www.modelhelicopters.co.uk
 
 
 
 
 
 
Fxaeromodels
https://www.fxaeromodels.com
 
DeeTee Enterprises
http://www.deeteeenterprises.com
 
 
RC Helibits
http://www.rchelibits.co.uk
 
McMaster-Carr
http://www.mcmaster.com/
 
Helihobby
http://www.helihobby.com
 
Electricflight UK Ltd
http://www.electricflight.co.uk
 
Steve Webb Models
http://servoshop.co.uk
 
Grand Totals: GB Pounds
US Dollars
EUR Euro
CAN Dollars
AUS Dollars
JAP Yen
HK Dollars
Cost:
 
£52.00
£37.96
£46.98
£69.48
£29.99
£20.99
£23.50
 
£20.80
 
 
£37.34
£15.50
£10.90
 
£27.00
 
 
£21.64
 
 
£12.63
 
 
£36.95
£49.99
 
£26.99
 
 
£540.64
$957.31
788.47
1,104.22
1,278.54
110,302
7,424.88
 

Weights:

This section compares the finished weights of the model with a standard Century Hummingbird Fixed Pitch helicopter V2.

In total this version is 59.5g lighter than Version 1

 
Component:
 
Century Hummingbird Fixed Pitch helicopter V2 - Gross Weight
Hybrid CP Hummingbird/Hornet Helicopter - Gross Weight
 
Electrical Components:
E-Tec 3S1P 1700mAh (10C) Flight Pack
Hacker B20-22S Brushless main Motor
Feigao Brushless Tail motor
CSM LW 200 Gyro
Phoenix 10 Brushless Sensorless ESC
Phoenix 25 Brushless Sensorless ESC
Century 6ch Receiver
Total:
 
Mechanical Components:
Main Rotor Assembly Complete
Tail Rotor and Gearbox
Swashplate
Servos and Links
Main Chassis Complete
Landing Gear
Tail Boom
Fixings
Canopy
Total:
 
Actual Helicopter Weight: Total:
Weight:
 
185g
404.1g
 
 
130g
43g
15g
10g
8.6g
17g
7g
230.6g
 
 
46g
9g
5g
12g
36.5g
25g
22g
7g
11g
173.5g
 
404.1g
 

Specifications:

The following is a break down of the sizes of the complete helicopter and components

Component:
 
Century Hummingbird Fixed Pitch helicopter V2
Fuselage
Main Rotor Span
Tail Rotor Span
 
Hybrid CP Hummingbird/Hornet Helicopter
Fuselage
Main Rotor Span
Tail Rotor Span
 
E-Tec 3S1P 1700mAh (10C) Flight Pack
Hacker Brushless Motor B20-22S - 4091rpm/volt
Feigao Brushless Tail motor - 4100rpm/volt
CSM LW 200 Gyro
Phoenix 10 Brushless Sensorless ESC
Phoenix 25 Brushless Sensorless ESC
Century Micro 6ch Receiver - 35mhz
Length:
 
 
485mm
 
 
 
 
510mm
 
 
 
65mm
30mm
22mm
26mm
28mm
34mm
33mm
Width / Dia:
 
 
70mm
508mm
148mm
 
 
70mm
555mm
148mm
 
43mm
20mm
12mm
26mm
13mm
23mm
16mm
Depth:
 
 
91mm
 
 
 
 
82mm
 
 
 
25mm
 
 
6mm
4mm
7mm
10mm
 

Drawings:

The following links enable you to download the drawings I have put together in completing this project. The 3D drawing is a fully scaled entirely accurate representation of all components used in the construction of the helicopter

 
Drawing:
 
AutoCAD Release 14 2D Layout Drawing - Full Scale
AutoCAD Release 14 3D Model - Full Scale
Link:
 
Hybrid CCPM V2.dwg
Hybrid CCPM 3D V2.zip