Helicopter Main

Main Tail Blade Mini RC 3CH 6020 1 Helicopter Parts RED Main Tail Blade Mini RC 3CH 6020 1 Helicopter Parts RED Paypal 3 Bids US $1.31 35m
3 x 118mm main rotor shaft for align trex 450 Pro Helicopter 3 x 118mm main rotor shaft for align trex 450 Pro Helicopter Paypal 0 Bid US $.20 3h 13m
450 metal main rotor head for TREX 450 RC Helicopter 450 metal main rotor head for TREX 450 RC Helicopter Paypal 5 Bids US $5.00 11h 26m
600mm Carbon Fiber Main Rotor Blade for Trex 600 600E Helicopter 600mm Carbon Fiber Main Rotor Blade for Trex 600 600E Helicopter Paypal 3 Bids US $5.50 11h 36m
main rotor head assembly Upgrade CNC For RC ALIGN Trex 450 V2 RC helicopter main rotor head assembly Upgrade CNC For RC ALIGN Trex 450 V2 RC helicopter Paypal 7 Bids US $12.00 21h 15m
2 Pairs of 9cm Main Rotor Blades/Wings for S107 3D RC Helicopter Yellow NEW 2 Pairs of 9cm Main Rotor Blades/Wings for S107 3D RC Helicopter Yellow NEW Paypal 0 Bid US $.99 21h 49m
2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC18A 2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC18A Paypal 0 Bid US $.01 23h 18m
2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17A 2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17A Paypal 0 Bid US $.01 23h 18m
6pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17B 6pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17B Paypal 0 Bid US $4.99 23h 18m
Helicopter 2 pair Main Gear set for align T-rex 450 V2 SPORT PRO rc heli RC19B Helicopter 2 pair Main Gear set for align T-rex 450 V2 SPORT PRO rc heli RC19B Paypal 0 Bid US $.01 23h 19m
T-rex 450 rc helicopter Main Gear set for align trex rc heli RC19A T-rex 450 rc helicopter Main Gear set for align trex rc heli RC19A Paypal 0 Bid US $.01 23h 19m
450 RC Helicopter Metal Main Rotor Head and Tail for ALIGN TREX 450 450 RC Helicopter Metal Main Rotor Head and Tail for ALIGN TREX 450 Paypal 16 Bids US $26.00 1d 3h 2m
36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE +KIT 36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE +KIT Paypal US $99.00 11d 6h 30m
4PCS Main Blade Balance Bar for SYMA S032 RC HELICOPTER 4PCS Main Blade Balance Bar for SYMA S032 RC HELICOPTER Paypal 0 Bid US $.99 1d 3h 42m
New 2 Pairs of 8cm Main Rotor Blades/Wings for 335 3C RC Helicopter New 2 Pairs of 8cm Main Rotor Blades/Wings for 335 3C RC Helicopter Paypal 2 Bids US $1.04 1d 7h 13m
Main Gear set T-rex 450 SE V2 V3 RC Series helicopter 1pairs Main Gear set T-rex 450 SE V2 V3 RC Series helicopter 1pairs Paypal 1 Bid US $.99 1d 10h 48m
Main Gear Set For Align Trex 450SE 450 V2 RC Helicopter Main Gear Set For Align Trex 450SE 450 V2 RC Helicopter Paypal 2 Bids US $1.30 1d 10h 58m
Perkins SPARES 6600700 TWISTER HELICOPTER MAIN MOTOR SET Perkins SPARES 6600700 TWISTER HELICOPTER MAIN MOTOR SET Paypal 0 Bid US $9.41 1d 16h 29m
36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE 36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE Paypal 0 Bid US $55.99 1d 17h 2m
4 Main Blades for Syma S107-02 S107G Gyro Star rc Helicopter (mod) yellow white 4 Main Blades for Syma S107-02 S107G Gyro Star rc Helicopter (mod) yellow white Paypal 0 Bid US $2.95 1d 17h 46m
4 Screw and 4 Nut set (for main blades) for Syma S033G gyroscope rc helicopter 4 Screw and 4 Nut set (for main blades) for Syma S033G gyroscope rc helicopter Paypal US $7.95 1d 18h 46m
Main Blade A B for Double Horse 9053 Helicopter 9053-04 Main Blade A B for Double Horse 9053 Helicopter 9053-04 Paypal 0 Bid US $.99 1d 19h 33m
EvoFlight Shogun 400 V1 R/C Helicopter NEW Main Frame with bearings and hardware EvoFlight Shogun 400 V1 R/C Helicopter NEW Main Frame with bearings and hardware Paypal US $19.99 2d 12h 14m
Flybarless Metal main rotor Head set for align 450 sport v3 rc remote helicopter Flybarless Metal main rotor Head set for align 450 sport v3 rc remote helicopter Paypal 0 Bid US $.10 2d 22h 11m
ALIGN 700N Metal Main Rotor Holder/Silver Helicopters HN7004QF & HN7003 ALIGN 700N Metal Main Rotor Holder/Silver Helicopters HN7004QF & HN7003 Paypal 1 Bid US $40.00 2d 22h 41m
KBDD Extreme Edition Main Blades for Blade mCPX Helicopter PEARL BLUE KBDD Extreme Edition Main Blades for Blade mCPX Helicopter PEARL BLUE Paypal 0 Bid US $4.99 4h 36m
205 carbon Rotor Main Blade for align 250 rc helicopter 205 carbon Rotor Main Blade for align 250 rc helicopter Paypal 0 Bid US $.10 2d 23h 14m
53 53" RC Helicopter QS8006 Replacment Part - 4PCS Main Blade Set - QS8006-001 Paypal 0 Bid US $9.99 3d 14m
9104-07 for Double Horse 3CH RC Helicopter 9104 part - Main Gear 9104-07 for Double Horse 3CH RC Helicopter 9104 part - Main Gear Paypal 0 Bid US $1.99 3d 54m
9104-25 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in red 9104-25 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in red Paypal 0 Bid US $2.99 3d 54m
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Helicopter Main
Helicopter Main
What is the name of the song in Tropic Thunder where all the main characters are riding in a helicopter?


It is the part where the director and the crazy old guy are taking the 5 main characters into the jungle to shoot the whole movie guerilla style. I believe there are some lyrics that say "That's the name of the game" or something like that.

"Name of the Game" by The Crystal Method

http://www.youtube.com/watch?v=A12-KN5UijA

Main Tail Blade Mini RC 3CH 6020 1 Helicopter Parts RED Main Tail Blade Mini RC 3CH 6020 1 Helicopter Parts RED Paypal 3 Bids US $1.31 35m
3 x 118mm main rotor shaft for align trex 450 Pro Helicopter 3 x 118mm main rotor shaft for align trex 450 Pro Helicopter Paypal 0 Bid US $.20 3h 13m
450 metal main rotor head for TREX 450 RC Helicopter 450 metal main rotor head for TREX 450 RC Helicopter Paypal 5 Bids US $5.00 11h 26m
600mm Carbon Fiber Main Rotor Blade for Trex 600 600E Helicopter 600mm Carbon Fiber Main Rotor Blade for Trex 600 600E Helicopter Paypal 3 Bids US $5.50 11h 36m
main rotor head assembly Upgrade CNC For RC ALIGN Trex 450 V2 RC helicopter main rotor head assembly Upgrade CNC For RC ALIGN Trex 450 V2 RC helicopter Paypal 7 Bids US $12.00 21h 15m
2 Pairs of 9cm Main Rotor Blades/Wings for S107 3D RC Helicopter Yellow NEW 2 Pairs of 9cm Main Rotor Blades/Wings for S107 3D RC Helicopter Yellow NEW Paypal 0 Bid US $.99 21h 49m
2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC18A 2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC18A Paypal 0 Bid US $.01 23h 18m
2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17A 2pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17A Paypal 0 Bid US $.01 23h 18m
6pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17B 6pc Glass Helicopter 325mm Main Rotor Blade for Trex 450 SE 450XL RC17B Paypal 0 Bid US $4.99 23h 18m
Helicopter 2 pair Main Gear set for align T-rex 450 V2 SPORT PRO rc heli RC19B Helicopter 2 pair Main Gear set for align T-rex 450 V2 SPORT PRO rc heli RC19B Paypal 0 Bid US $.01 23h 19m
T-rex 450 rc helicopter Main Gear set for align trex rc heli RC19A T-rex 450 rc helicopter Main Gear set for align trex rc heli RC19A Paypal 0 Bid US $.01 23h 19m
450 RC Helicopter Metal Main Rotor Head and Tail for ALIGN TREX 450 450 RC Helicopter Metal Main Rotor Head and Tail for ALIGN TREX 450 Paypal 16 Bids US $26.00 1d 3h 2m
36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE +KIT 36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE +KIT Paypal US $99.00 11d 6h 30m
4PCS Main Blade Balance Bar for SYMA S032 RC HELICOPTER 4PCS Main Blade Balance Bar for SYMA S032 RC HELICOPTER Paypal 0 Bid US $.99 1d 3h 42m
New 2 Pairs of 8cm Main Rotor Blades/Wings for 335 3C RC Helicopter New 2 Pairs of 8cm Main Rotor Blades/Wings for 335 3C RC Helicopter Paypal 2 Bids US $1.04 1d 7h 13m
Main Gear set T-rex 450 SE V2 V3 RC Series helicopter 1pairs Main Gear set T-rex 450 SE V2 V3 RC Series helicopter 1pairs Paypal 1 Bid US $.99 1d 10h 48m
Main Gear Set For Align Trex 450SE 450 V2 RC Helicopter Main Gear Set For Align Trex 450SE 450 V2 RC Helicopter Paypal 2 Bids US $1.30 1d 10h 58m
Perkins SPARES 6600700 TWISTER HELICOPTER MAIN MOTOR SET Perkins SPARES 6600700 TWISTER HELICOPTER MAIN MOTOR SET Paypal 0 Bid US $9.41 1d 16h 29m
36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE 36 inch SKY-KING GYRO 8501 Metal 3.5-Channel RC Helicopter Blue+Main BLADE Paypal 0 Bid US $55.99 1d 17h 2m
4 Main Blades for Syma S107-02 S107G Gyro Star rc Helicopter (mod) yellow white 4 Main Blades for Syma S107-02 S107G Gyro Star rc Helicopter (mod) yellow white Paypal 0 Bid US $2.95 1d 17h 46m
4 Screw and 4 Nut set (for main blades) for Syma S033G gyroscope rc helicopter 4 Screw and 4 Nut set (for main blades) for Syma S033G gyroscope rc helicopter Paypal US $7.95 1d 18h 46m
Main Blade A B for Double Horse 9053 Helicopter 9053-04 Main Blade A B for Double Horse 9053 Helicopter 9053-04 Paypal 0 Bid US $.99 1d 19h 33m
EvoFlight Shogun 400 V1 R/C Helicopter NEW Main Frame with bearings and hardware EvoFlight Shogun 400 V1 R/C Helicopter NEW Main Frame with bearings and hardware Paypal US $19.99 2d 12h 14m
Flybarless Metal main rotor Head set for align 450 sport v3 rc remote helicopter Flybarless Metal main rotor Head set for align 450 sport v3 rc remote helicopter Paypal 0 Bid US $.10 2d 22h 11m
ALIGN 700N Metal Main Rotor Holder/Silver Helicopters HN7004QF & HN7003 ALIGN 700N Metal Main Rotor Holder/Silver Helicopters HN7004QF & HN7003 Paypal 1 Bid US $40.00 2d 22h 41m
KBDD Extreme Edition Main Blades for Blade mCPX Helicopter PEARL BLUE KBDD Extreme Edition Main Blades for Blade mCPX Helicopter PEARL BLUE Paypal 0 Bid US $4.99 4h 36m
205 carbon Rotor Main Blade for align 250 rc helicopter 205 carbon Rotor Main Blade for align 250 rc helicopter Paypal 0 Bid US $.10 2d 23h 14m
53 53" RC Helicopter QS8006 Replacment Part - 4PCS Main Blade Set - QS8006-001 Paypal 0 Bid US $9.99 3d 14m
9104-07 for Double Horse 3CH RC Helicopter 9104 part - Main Gear 9104-07 for Double Horse 3CH RC Helicopter 9104 part - Main Gear Paypal 0 Bid US $1.99 3d 54m
9104-25 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in red 9104-25 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in red Paypal 0 Bid US $2.99 3d 54m
9104-04 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in blue 9104-04 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Set in blue Paypal 0 Bid US $2.99 3d 54m
9104-03 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Grip Set 9104-03 for Double Horse 3CH RC Helicopter 9104 part - Main Blade Grip Set Paypal 0 Bid US $2.99 3d 54m
9104-11 for Double Horse 3CH RC Helicopter 9104 part- Main body aluminium Plates 9104-11 for Double Horse 3CH RC Helicopter 9104 part- Main body aluminium Plates Paypal 0 Bid US $5.99 3d 54m
F00510-z Trex 500 RC Helicopter Autorotation Gear set: Main drive Gear 162T F00510-z Trex 500 RC Helicopter Autorotation Gear set: Main drive Gear 162T Paypal 1 Bid US $.01 3d 59m
F01168 Main Rotor Blade S107 S105 for Syma S107G S105G Metal Alloy Helicopter F01168 Main Rotor Blade S107 S105 for Syma S107G S105G Metal Alloy Helicopter Paypal 14 Bids US $1.75 3d 1h 14m
600mm PRO 3D CF Carbon Fiber main blade T-REX 600 50 size helicopter 600mm PRO 3D CF Carbon Fiber main blade T-REX 600 50 size helicopter Paypal 0 Bid US $29.99 11h 57m
4 pcs Main Blades for Wltoys 2.4G V911 4CH RC Helicopter Parts Single Propeller 4 pcs Main Blades for Wltoys 2.4G V911 4CH RC Helicopter Parts Single Propeller Paypal 1 Bid US $.98 12h 25m
Main Blade Spare Parts for 42 Main Blade Spare Parts for 42" QS 8005 RC Helicopter 8005-001 Rotor Blades Fans Paypal 0 Bid US $.99 16h 56m
445mm Glass Fiber GF Main Blade for Trex 500 RC Helicopter 445mm Glass Fiber GF Main Blade for Trex 500 RC Helicopter Paypal 1 Bid US $7.99 23h 48m
MAIN GEAR & TAIL ROTOR GEAR, 3D 500 JR Series Helicopter Vibe 500e Compatible MAIN GEAR & TAIL ROTOR GEAR, 3D 500 JR Series Helicopter Vibe 500e Compatible Paypal US $8.99 3d 19h 14m
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Angels & Demons Angels & Demons

List Price: $11.98

 

Description

BELL JOSHUA / ZIMMER HANS ANGELES Y DEMONIOS (SOUNDTRACK)

Platoon (1986 Film) - And Songs From The Era Platoon (1986 Film) - And Songs From The Era

List Price: $13.96

 

Description

Original Motion Picture Soundtrack and Songs From the Era. Sledge's WHEN A MAN LOVES A WOMAN.

The Manchurian Candidate [Music from the Motion Picture] The Manchurian Candidate [Music from the Motion Picture]

 

Description

As a special bonus, selections of the David Amram score from the classic original film are included on this CD.

Fly Dragon HJ2281 (Blue) Large (1:34 Scale) Gyro Twin Propeller R/C Helicopter w/LED Lights & 3-Channel Remote Fly Dragon HJ2281 (Blue) Large (1:34 Scale) Gyro Twin Propeller R/C Helicopter w/LED Lights & 3-Channel Remote

 

Description

This Fly Dragon HJ2281 R/C Helicopter is a ton of fun and will keep you entertained for hours!

The Fly Dragon HJ2281 helicopter is larger than most other R/C helicopters out there making it perfect for flying outdoors, in large open spaces...

Rikki KnightTM Apache Helicopter Design Messenger Bag - Book Bag - Unisex - Ideal Gift for all occassions! Rikki KnightTM Apache Helicopter Design Messenger Bag - Book Bag - Unisex - Ideal Gift for all occassions!

List Price: $79.99

 

Description

Whether from home to the office, on a business trip or to school, the Apache Helicopter Design Messenger Bag School Bag keeps you comfortable and your cargo safe and sound - this bag features pockets for your cellphone, pens, ipod, notebook etc...

Syma S107/S107G R/C Helicopter *Colors Vary Syma S107/S107G R/C Helicopter *Colors Vary

List Price: $129.95

 

Description

This Brand New 3 Channel Gyro mini Metal rc helicopter is 1 of the world's newest, smallest and lightest RC Helicopter you can get! At approx. 7.5" long, it easily fits in the palm of your hand and is fully functional, equipped with latest Gyroscope technology, which makes this helicopter an instant hot seller in the RC World...

Full Set Replacement Parts for Syma S107 RC Helicopter, Main Blades, Tail Decorations, Tail Props, Balance Bar, -Red Set- Full Set Replacement Parts for Syma S107 RC Helicopter, Main Blades, Tail Decorations, Tail Props, Balance Bar, -Red Set-

 

Description

Full set of Replacement Parts for Syma S107 Red Helicopter! 1 Set of Main Blades Red, 1 Set of Tail Decorations Red, 2 Tail Props, 1 Balance Bar. Origional Syma parts

Full Replacement Parts Set for Syma S107 RC Helicopter, Main Blades, Tail Decorations, Tail Props, Balance Bar, -Blue Set- Full Replacement Parts Set for Syma S107 RC Helicopter, Main Blades, Tail Decorations, Tail Props, Balance Bar, -Blue Set-

 

Description

Replacement Parts for Syma S107 Blue Helicopter! 1 Set of Main Blades Blue, (Old Fashioned Syma Design) 1 Set of Tail Decorations Blue, 2 Tail Props, 1 Balance Bar, Enjoy your set of Syma helicopters all with the same design.

Sigtronics SPO-22N 2-Place High Noise Intercom Sigtronics SPO-22N 2-Place High Noise Intercom

 

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Transcom II Portable Intercoms
SPO Two Place Intercom

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SkyMaster 7 SkyMaster 7" Mini RC Remote Control Helicopter, 4 Channel Infrared Remote Control Built-In Gyroscope with Metal & Plastic Frame, Multiplayer Up To 3 Helicopters

 

Description

Helicopter Length x Width x Height: 220mm x 130mm x 95mm Main Rotor Diameter: 186mm Tail Rotor Diameter: 32mm Stabilizer Length: 108mm Battery Type: 180mAh 3.7V Lithium Polymer Battery Transmitter Batteries: 6 x AA Alkaline Batteries ( Not included ) Frequency: Infrared Control System - Bands A, B & C Control Specification: Steering / Ascend / Descend / Forward / Backward / Left / Right / Light Auto Charging Time: 20 - 30 minutes Flight Duration: 6 - 7 minutes Remote Control Distance: About 10m Net Weight: 44...

3318 RC Helicopter - Landing Skid - Refurbished 3318 RC Helicopter - Landing Skid - Refurbished

List Price: $23.10

 

Description

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Grand Theft Auto: Episodes from Liberty City Grand Theft Auto: Episodes from Liberty City

List Price: $19.99

 

Description

Grand Theft Auto: Episodes From Liberty City Xbox 360

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List Price: $29.99

 

Description

Get ready to experience the Liberty City of Grand Theft Auto IV on your PlayStation 3 like never before. Originally created as supplemental episodic content for Grand Theft Auto IV, but not available to PS3 players, Grand Theft Auto: Episodes From Liberty City is now available to all pertinent platforms introducing new characters, new weapons, new online multiplayer challenges and two new stories...

Armed Forces Pack Armed Forces Pack

List Price: $19.99

 

Description

The Armed Forces Pack places you in command of a deadly high-tech military arsenal as you defend the country from external threats!

Call of Duty: Modern Warfare 2 [Download] Call of Duty: Modern Warfare 2 [Download]

List Price: $19.99

 

Description

The newest installment in the groundbreaking Call of Duty series, Modern Warfare 2 features for the first time in video games, the musical soundtrack of legendary Academy Award and Grammy winning composer Hans Zimmer.

Dead Rising 2 Dead Rising 2

List Price: $19.99

 

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In Capcom's Dead Rising 2, when America's latest and greatest gambling paradise Fortune City is hit by a zombie outbreak, Chuck must do whatever it takes to survive. Pitted against tens of thousands of zombies, some dangerous psychos and the constant countdown of the clock, he's got 72 hours to save himself and his daughter...

Delta Force: Xtreme 2 Delta Force: Xtreme 2

List Price: $29.99

 

Description

Delta Force: Xtreme 2 is set to offer intense military gameplay in stunning 1080p “Full HD” and Dolby 7.1 Surround sound. With game servers placed strategically around the world, NovaWorld Community, NovaLogic’s fourth-generation multiplayer network, will provide smoother, faster and seamless gameplay for up to 150* players per game...

S107G 3 Channel Mini Indoor Co-Axial Metal RC Helicopter w/ Built in Gyroscope (Red & Yellow) Set of 2 S107G 3 Channel Mini Indoor Co-Axial Metal RC Helicopter w/ Built in Gyroscope (Red & Yellow) Set of 2

 

Description

Feature:

Miniature size & light weight. Super wide infrared control miniature design for indoor flying 19cm long and weighing an incredible 34 grams
Controlled by 32-level high precision speed. Auto stable, rotor blade system for steady lifting-up
3-Channel Helicopter movement forward / backward / up / down / left / right
High tenacity propeller
POWERED BY 2 SOLID MOTORS WITH A 3RD MOTOR IN THE TAIL ROTOR
High capability, dynamical Li-Poly battery...

Brightline Pilot Flight Bag Brightline Pilot Flight Bag

 

Description

Voted Aviation Consumer Top Aviation Flight Bag of the Year! More storage, organization and functionality than any other pilot flight bag. Features 2 main compartments and 25 specialized pockets to carry everything you need...

Dear Mom, I'm Alive Dear Mom, I'm Alive

 

Description

Award winning aviation journalist, Randolph P. Mains wrote Dear Mom I'm Alive combining two stories in one book. The first, using the letters his mom saved that he'd written to her, he tells the story of his experiences in a combat zone so as to not distress his family members...

Helicopter Rescue after Huge Water Main Break River Road

A helicopter with a tail rotor is safer or not?


A helicopter with twin main rotors on top such as KA50 were design with a system that will replace the traditional functions of a a tail rotor which could halt due to system malfunctions. Why many helicopter manufactures still went on with the tail rotor eventhough they knew the hazards very well?Any ideas boys and gals...

You've got some good answers there, and here are some of my comments:

1. Helicopters equipped with tail rotors are by far the most common, efficient, and proven design around today. In a hover in a calm wind, a conventional tail rotor uses about 18% of total engine power produced.

2. Helicopter designs without tail rotors include 2 rotor designs (such as Kamov, K-Max, Boeing BV234), NOTAR (MD design operates mainly by Kawanda effect and low pressure air nozzle, NOT by a second engine as suggested above), and tip jets (experimental only). A tail rotor-less design is more efficient becuase there is no pwer "robbed" from the main rotor, but the design is incredibly complex.

Certainly a helicopter without a tail rotor is safer in theory, but they have mechanical design challenges and performance limitations. As a helicopter pilot, my biggest worry is for somebody to walk into the tail rotor as they are pretty well invisible. The pilot has to operate the helicopter in accordance with its limitations and therefore I would say that neither design is safer than the other. And as already pointed out by another response, the tailrotor-less helicopters are also prone to mechanical failures - every helicopter needs an anti-torque device to counter Newton's third law - for every action there is an opposite and equal reaction. A helicopter literally has thousands of moving parts - tailrotor or not.

I think the MD NOTAR system used on the 520, 530, 600, and 900 helicopters is brilliant and probably the best of the systems, but they are twitchy at high speed. Also its too bad all those MD designs have such a cramped cockpit which limits their appeal to a lot of customers. They are quieter and in theory eliminate tail rotor strikes, but give me a real tail rotor in difficult cross wind conditions any day.

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