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Rc 4 Channel Helicopters -




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Rc 4 Channel Helicopters - Bookshelf

Performance Data From a Wind-Tunnel Test of Two Main-Rotor Blade Designs for a Utility-Class Helicopter

The aerodynamic characteristics of the RC(4)-10 airfoil have been obtained but have not been reported on at this time. ... The rotating-blade data are transferred through a 30-channel slip-ring assembly. Rotor forces and moments are ...



368 pages

The Son Tay Raid, American POWs in Vietnam Were Not Forgotten

Creator: John Gargus | 2010-09-28

There they would provide fuel for two Air Force Combat Apple RC-135Ms and for one radio relay RC-135. ... Their aircraft would be configured with additional equipment to monitor four more UHF channels used by the raiders.

Publisher: TAMU Press

About this book
In May 1970, Aerial Photographs Revealed what U.S. military intelligence believed was a Pow camp near the town of Son Tay, twenty-three miles west of North Vietnam's capital city. When American officials decided the prisoners were attempting to send signals, they set in motion a daring plan to rescue the more than sixty airmen thought to be held captive.On November 20, a joint group of volunteers from U.S. Army Green Berets and U.S. Air Force Special Operations Forces Perfectly executed the raid, only to find the prisoners' quarters empty; the POWs had been moved to a different location. Initially, the Son Tay raid was a devastating disappointment to the men who risked their lives to carry it out. Many vocal critics labeled it as a spectacular failure of our nation's intelligence network. However, subsequent events proved that the audacity of the rescue attempt stunned the North Vietnamese, who implemented immediate changes in the treatment of their captives. The operation also restored the prisoners' faith that their nation had not forgotten them.John Gargus not only participated in the planning phase of the Son Tay rescue, but also flew as a lead navigator for the strike force. This revised edition incorporates the most recent information from raid participants and also includes recent translations of North Vietnamese perspectives. No previous book on this top-secret action has given such a full account or such insight into both the execution and aftermath of Son Tay. This book will be an invaluable addition to the history and historiography of the Vietnam War.



168 pages

Maximum PC

2006-12

The sim ships with a USB controller that mimics an actual Futaba 4-to-10 channel transmitter. The controller includes inputs and patch cords to connect the transmitter from your own RC kit, if you prefer to use that instead, ...

About this book
Maximum PC is the magazine that every computer fanatic, PC gamer or content creator must read. Each and every issue is packed with punishing product reviews, insightful and innovative how-to stories and the illuminating technical articles that enthusiasts crave.


Helicopters Directory

4 Channel RC Helicopters - HobbyTron.com
Find the best selection of 4 Channel Helicopters at the lowest prices anywhere at HobbyTron.com.

38cm Double Horse 9116 2.4GHz 4CH 4 Channel RC Single ...
Amazon.com: 38cm Double Horse 9116 2.4GHz 4CH 4 Channel RC Single Blade Helicopter Gyro Big 450 Size (COLORS MAY VARY): Toys & Games

Syma S107G 3.5 Channel RC Helicopter with Gyro, Blue
Syma S107G 3.5 Channel RC Helicopter with Gyro in Blue color scheme. Flight Control Includes Up/Down, Left/Right Turn and Forward/Backward movements.

Syma RC Helicopter Review - 3 channel vs 4 channel - YouTube
Best RC Helicopters for beginners. I compare the 3 channel rc heli and a 4 channel rc heli. Get your own RC Helicopters: 3 Channel: http://tinyurl.com/Best ...

4 Channel Rc Helicopters | UJToys.com
UJToys.com offers High Performance RC Helicopters and Accessories, RC Sports Cars, RC Boats and Spare Parts. Our online support team is always available to assist ...


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Editor's picks

  • Venom Group International

    Syma S32 Lightning 3 Channel 2.4Ghz RC Helicopter with Gyro (Color Vary)

    Hobby (Venom Group International)

    Rating (16 reviews):
    (4.0/5)
    Venom Group International

    AWESOME! This is NOT the S032G. Syma Got This One Right!

    OMG! What An Amazingly Stable and Fun Helicopter! It's Like an S107G, But Better! It uses a 2.4Ghz radio controller rather than infrared or the older 27Mhz and it is VERY stable.I have been flying the small, infrared Syma Helicopters such as the S107G and similar variations for three years. I love them! However, I've been ready for something larger for a while. I tried 4-channel helicopters, but they aren't for me. I just don't have the correct coordination or patience to learn them. 4-channel enthusiasts have put me down for that, but I don’t care. This is MY hobby. I don’t do it to impress others. I just have FUN!I resisted buying a larger 3-channel helicopter because the older Syma S03XX series was too fragile and unreliable. The similar Double Horse “Volitation” (yes, I know, it’s a strange name – and that’s how they actually spell it) had the same reputation.Based on info from Syma, the S32 is an... 5/5 Michael Preyer "mailmanx" (San Diego, CA United States) - See all my reviews, December 8, 2013

    Fun to fly indoors or out.

    0 4/5 Daniel J. Campbell - See all my reviews Verified Purchase(What's this?) This review is from: Syma S32 Lightning 3 Channel 2.4Ghz RC Helicopter with Gyro (Color Vary) (Toy) Like the copter. Gave it a 4 because the charger and tools were missing from kit. Would have returned it but Amazon did not have any more of this model and price, so I ended up purchasing the charger myself. It is fun to fly, easy to get used to. Pretty sturdy but I broke the tail boom in a crash. Can't buy just the boom, had to buy boom with tail motor. Good range for outside flying, just make sure there is no wind. Would recommend this helicopter. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , February 20, 2014

    Extra helicopter

    0 5/5 Frank Ralle - See all my reviews Verified Purchase(What's this?) This review is from: Syma S32 Lightning 3 Channel 2.4Ghz RC Helicopter with Gyro (Color Vary) (Toy) Had fun with old helicopter, decide to buy another one to be able to spend more time flying.Choosed same model becaused used to this one. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , May 15, 2014
    List Price: $44.99
    Price: $41.95
    You Save: $3.04 (7%)
    Motor Type: Brushed
    Great for Beginners
    Battery Type: Lithium Polymer (LiPO Battery)
    Easy to Fly
    Stabile Flight Characteristics


  • Syma

    Syma S800G 4 Channel Remote Control Helicopter with Bonus Parts - Black & White

    Toy (Syma)
    List Price: $59.99
    Price: $29.99
    You Save: $30.00 (50%)

    Sideway flight as well as forward, backward, left, right, up and down
    Infrared control
    4 Channel Remote Control Helicopter with Bonus Parts!
    Swashplate controlled
    6-8 minute flight time


  • Buddies

    17 Inch RC Helicopter 4 Channel with Gyro and lights, Color Blue

    Toy (Buddies)

    Rating (21 reviews):
    (3.0/5)
    Buddies

    Super fun!

    0 5/5 Tracy Z - See all my reviews Verified Purchase(What's this?) This review is from: 17 Inch RC Helicopter 4 Channel with Gyro and lights, Color Blue (Toy) This is a workhorse of an RC chopper! It takes a lickin' and keeps on tickin' you might say. The helicopter is sturdy and recovers from surprisingly hard crashes (though I doubt it is indestructible). I like to take it outside to the nearby park in an open grassy area and improve my flying ability. Not that it isn't easy to fly, it is, but I want to learn some tricks and the ease of control of this helicopter is allowing me to do some fun aerial acrobatics.I like all the lights on this helicopter but since so far I have just flown it during the day they aren't really useful. Maybe someday I'll fly it at night just to see how cool it looks. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , September 26, 2013

    Very happy with the lights!

    0 5/5 Nicole Daniels - See all my reviews Verified Purchase(What's this?) This review is from: 17 Inch RC Helicopter 4 Channel with Gyro and lights, Color Blue (Toy) Purchase as a gift and the person was so excited, I don't think he could wait to try out in the dark because of the lights. I have brought one b4 but it didn't have the lights and they enjoyed that one which was smaller indoor however I think this one is a huge hit b/c of the lights and easy functioning of flying. I guess the next one will have to be with lights and camera. Very happy with this purchase so far. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , November 3, 2013

    Its OK for a beginner.

    0 3/5 Amazon Prime customer - See all my reviews Verified Purchase(What's this?) This review is from: 17 Inch RC Helicopter 4 Channel with Gyro and lights, Color Blue (Toy) It is a pretty good starter helicopter for beginners but my husband don't like the fact that it only flies in one direction. Its has its pros and cons. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , March 29, 2014
    List Price: $69.95
    Price: $44.95
    You Save: $25.00 (36%)
    17 inch (43 cm) 4CH RC helicopter with built-in Gyro and colorful night lights
    Free flight up, down, forward, backward, left, right, and hover with rapid response
    High quality ultrathin metal canopy with ultra light weight and strong impact resistance
    Complete kit, ready to fly, only requires 8 AA batteries for the remote controller
    The first RC helicopter that can fly outdoors in windy weather (outdoor wind grade 3-4 mph)


  • Haktoys

    Haktoys® HAK448 4 Channel 16" RC Helicopter, Gyroscope, Rechargeable, Ready to Fly, and with LED Lights - Colors May Vary

    Toy (Haktoys)
    List Price: $129.99

    Electric Powered, 4 Channel, Radio Control, Ultra Light Alloy Metal Body, Coaxial Rotor, Detailed Paint Job
    Indoor/outdoor copter flies up to 300 feet
    Length: 16" Width: 8.3" Height: 6.5" Product weight: 0.65 lbs. Main Rotor Diameter 13.5". Controls: forward / backward / up / down / left / right Intelligent R/C System. Full Scale Remote Control. 360 Precise Directional Movement. Smooth hovering performance.
    Package Contents: 1 x HAK448 Helicopter, 1 x 3.7V 700mah battery (built-in), 1 x Transmitter, 1 x Antenna, 1 x Wall charger, 1 x Screwdriver, 1 x Instructions Manual. REQUIRED: 6 x 1.5V AA alkaline batteries for the Transmitter (Remote Control)
    Please Note: Do not leave the helicopter switched on when not in use.


  • Syma

    Syma S107G 3.5 Channel RC Helicopter with Gyro, Blue

    Hobby (Syma)
    List Price: $19.99

    Motor Type: Brushed
    Stabile Flight Characteristics
    Great for Beginners
    Battery Type: Lithium Polymer (LiPO Battery), batteries for remote control not included
    S107 and S107G differ only in labeling. Either may be shipped.
    Easy to Fly


  • Syma

    Syma X1 4 Channel 2.4G RC Quad Copter - UFO

    Toy (Syma)

    Rating (675 reviews):
    (3.9/5)
    Syma

    $50 of Awesomeness

    Let me preface by saying that I own around 40 RC helicopter ranging from high end $3000 gassers to cheap $25 fp toys. This was my first quad. I bought this at the 49.99 price point and have no regrets even though they are now 39.99This has been the best $50 that I have spent in a long time. There are so many things going for this kit, where do I begin.The Good-Incredibly durable. I have crashed countless times from goofing around and flying indoors and have yet to cause any permanent damage. Even though this is a cheap product they made good choices in durable materials.-Very stable and easy to fly. My wife has no experience with helicopters, but I was able to get her to try this out in our living room.-Stable in outdoor conditions. I was surprised at the ability to fly this in light-breeze conditions.-Payload capacity. For fun, I strapped an iPod nano to the bottom to shoot video. This weighs 35 grams and the quad seemed to be able to... 5/5 Gadget Junkie (Bay Area,, CA United States) - See all my reviews Verified Purchase(What's this?) This review is from: Syma X1 4 Channel 2.4G RC Quad Copter - UFO (Toy) Let me preface by saying that I own around 40 RC helicopter ranging from high end $3000 gassers to cheap $25 fp toys. This was my first quad. I bought this at the 49.99 price point and have no regrets even though they are now 39.99This has been the best $50 that I have spent in a long time. There are so many things going for this kit, where do I begin.The Good-Incredibly durable. I have crashed countless times from goofing around and flying indoors and have yet to cause any permanent damage. Even though this is a cheap product they made good choices in durable materials.-Very stable and easy to fly. My wife has no experience with helicopters, but I was able to get her to try this out in our living room.-Stable in outdoor conditions. I was surprised at the ability to fly this in light-breeze conditions.-Payload capacity. For fun, I strapped an iPod nano to the bottom to shoot video. This weighs 35 grams and the quad seemed to be able to... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , November 23, 2012

    Revised instructions - UPDATED

    ***** UPDATED Jan. 11, 2014 **********I had a couple of people tell me that they could not get their copter transmitters to connect. After playing with the sequence a bit, we found that on some copters (not all... go figure) the TX should be turned on and initialized BEFORE the copter gets to the gyro initialization process - which makes it even more important to be ready to set it on a level surface before plugging the battery in. Anyway, this sequence change seems to address the problem some of the copters were having. The instructions have been updated to reflect this change.Now back to your regularly scheduled review...*****************************************I've been in R/C for 30+ years, and was very involved in R/C helis. This was my first quadcopter, and have enjoyed it very much. The hardest thing about this copter is getting it out of the box. Lots of cheap fun, and definitely a gateway drug to the hobby-grade... 5/5 Melsman (Central California) - See all my reviews Verified Purchase(What's this?) This review is from: Syma X1 4 Channel 2.4G RC Quad Copter - UFO (Toy) ***** UPDATED Jan. 11, 2014 **********I had a couple of people tell me that they could not get their copter transmitters to connect. After playing with the sequence a bit, we found that on some copters (not all... go figure) the TX should be turned on and initialized BEFORE the copter gets to the gyro initialization process - which makes it even more important to be ready to set it on a level surface before plugging the battery in. Anyway, this sequence change seems to address the problem some of the copters were having. The instructions have been updated to reflect this change.Now back to your regularly scheduled review...*****************************************I've been in R/C for 30+ years, and was very involved in R/C helis. This was my first quadcopter, and have enjoyed it very much. The hardest thing about this copter is getting it out of the box. Lots of cheap fun, and definitely a gateway drug to the hobby-grade... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , November 16, 2013

    Critical Piece of Instruction....

    We were disapointed in this toy on Christmas morning. It was impossible to fly - it just went sideways as soon as it took off and nothing we did seemed to calibrate it sufficiently to hover. The instruction manual says "After charging the aircraft the light will flash for ten seconds. Turn on the aircraft and controller and wait for flashing lights to indicate the aircraft is ready for flight." What it fails to mention is that it is critical to place the "aircraft" on a flat surface at his time IMMEDIATELY after inserting the battery. The model then apparently is able to calibrate itself and will hover reasonably stablely. The online manual clued me in to our mistake (we were probably holding the model in our hands in an un-level position for the first dozen seconds after plugging in the battery)"When insert the charged battery, quad copter will into automatic detection state (the indicator light flashing swift in the first ten seconds when power on) at that time,... 4/5 D. Reading (Houston, TX USA) - See all my reviews, December 26, 2012
    Two Fly Mode:Indoor/Outdoor
    Stabilty and agility in flight simplify professional 3D maneuvers like pirouettes 3D fun flips,rolls,and more.
    Controlling distance: About 40 Meters
    3 way precision controller: up/down, left/right, forward/backward
    2.4GHz Radio control


  • WL Toys

    Hero RC H911 2.4GHZ iRocket 4 Channel Fixed Pitch Ready to Fly Helicopter w/ bonus Battery, Balance Bar, Main Blade, Connect Buckle, Tail Blade, USB Charger

    Toy (WL Toys)

    Dual Mode Operation
    Servo Cyclic Control
    Indoor/Outdoor capability
    Convenient Binding
    LCD Transmitter/Fine Tuning


  • Syma

    Syma X5C 4 Channel 2.4GHz RC Explorers Quad Copter w/ Camera (WHITE, 1)

    Toy (Syma)

    Rating (0 reviews):
    (4.3/5)
    Syma

    Big Smile - take your time ! ( + a secret )

    The best flying toy in my collection so far ( a bunch of expensive heli's and a couple of quads )No instructions in ANY language included. Look online or learn on a SYMA X-1 quad. Box came early from China but was beat-up. Fortunately this is a tough little quad !IF YOU ARE EXPERIENCED - you will be OK without the blade guards ( which are a nuisance and add weight ). Otherwise learn with incremental progress - and no regrets.A tip: put a strip of brightly colored tape or paper on the back of the body of the quad so you can see the orientation from a distance. It gets very small very fast when it is high and the wind is taking it away. Knowing how it is pointed may be the last chance to bring it back " ;-( " [ and add a name tag or address / phone in magic marker ]The Camera - comes with 2GB Micro-SD with proof-pictures from the factory in China. Way Cool !The camera is made to still frame / video using... 5/5 Ken - in Miami (Miami, FL) - See all my reviews Verified Purchase(What's this?) This review is from: Syma X5C 4 Channel 2.4GHz RC Explorers Quad Copter w/ Camera (WHITE, 1) (Toy) The best flying toy in my collection so far ( a bunch of expensive heli's and a couple of quads )No instructions in ANY language included. Look online or learn on a SYMA X-1 quad. Box came early from China but was beat-up. Fortunately this is a tough little quad !IF YOU ARE EXPERIENCED - you will be OK without the blade guards ( which are a nuisance and add weight ). Otherwise learn with incremental progress - and no regrets.A tip: put a strip of brightly colored tape or paper on the back of the body of the quad so you can see the orientation from a distance. It gets very small very fast when it is high and the wind is taking it away. Knowing how it is pointed may be the last chance to bring it back " ;-( " [ and add a name tag or address / phone in magic marker ]The Camera - comes with 2GB Micro-SD with proof-pictures from the factory in China. Way Cool !The camera is made to still frame / video using... Read more Help other customers find the most helpful reviews  Was this review helpful to you? , October 23, 2014

    Great Quad for the price...

    0 5/5 Michael A Kausch - See all my reviews Verified Purchase(What's this?) This review is from: Syma X5C 4 Channel 2.4GHz RC Explorers Quad Copter w/ Camera (WHITE, 1) (Toy) This a great quad.. Very easy to fly. I have flown in all kinds of wind conditions and the quad handles very well.Takes good video and the pics are great... Buy extra battery's because you wont want to put this thing down.. 0, November 2, 2014

    Great first Drone!!!!!!

    This is my very first drone purchase and it has been a good experience! I bought this drone to practice with before I got a more expensive one. This drone is very durable, easy to sync up and easy to fly. People are complaining about the video and picture quality but you have to remember this is a $60 drone with a camera, you probably wouldn't be happy with a $60 camera that doesn't fly(video and pictures are actually pretty decent) For the price you pay for this it is definitely worth it! Flight times range probably anywhere from 6-10minutes with the stock battery, and that all depends on do you have it in High or Low mode, do you have the prop guards and camera installed, are you doing a lot of flips? ect..It takes a little over an hour to fully charge the battery so I would also recommend buying extra batteries and charger. There is a 4 pack of batteries and a charger that will charge all 4 at the same time for about $28. But you need to order it way ahead of time because it is... 5/5 Jacob - See all my reviews Verified Purchase(What's this?) This review is from: Syma X5C 4 Channel 2.4GHz RC Explorers Quad Copter w/ Camera (WHITE, 1) (Toy) This is my very first drone purchase and it has been a good experience! I bought this drone to practice with before I got a more expensive one. This drone is very durable, easy to sync up and easy to fly. People are complaining about the video and picture quality but you have to remember this is a $60 drone with a camera, you probably wouldn't be happy with a $60 camera that doesn't fly(video and pictures are actually pretty decent) For the price you pay for this it is definitely worth it! Flight times range probably anywhere from 6-10minutes with the stock battery, and that all depends on do you have it in High or Low mode, do you have the prop guards and camera installed, are you doing a lot of flips? ect..It takes a little over an hour to fully charge the battery so I would also recommend buying extra batteries and charger. There is a 4 pack of batteries and a charger that will charge all 4 at the same time for about $28. But you need to order it way ahead of time because it is... Read more, November 4, 2014
    List Price: $30.00
    Using spread spectrum technology for further remote distance, best anti-interference ability, least power consumption. you could fly more helicopters at the same time, its reaction speed is 100 times faster than other radio control
    A key 360o roll, continuous roll for perfect action and wonderful performance.
    Equip with HD Camera
    Build-in 6 axis gyroscope for precise hovering in the sky
    Various control options for those piloting the X5 Up, Down, Left, Right, Forward, Backward, Leftward flight, Rightward flight.


  • Meijiaxin

    MJX F645 F45 4ch LCD 2.4GHZ Large Single Blade Rc Helicopter (Colors may vary)

    Toy (Meijiaxin)
    List Price: $149.99
    Price: $56.93
    You Save: $93.06 (62%)

    MEMS Gyro
    Colors may vary
    70cm, 4ch 2.4GHZ LCD
    It comes in green and red
    Metal Body


  • Venom Group International

    Syma F1 Armor Large 3 Channel 2.4Ghz Single Rotor RC Helicopter with Gyro

    Hobby (Venom Group International)
    List Price: $59.99

    Motor Type: Brushed
    Stabile Flight Characteristics
    Easy to Fly
    Great for Beginners
    Battery Type: Lithium Ion (LiLO Battery)


Helicopters