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204 pages

Pucker Factor 10, Memoir of a U.S. Army Helicopter Pilot in Vietnam

Creator: James Joyce | 2003-06-01

Through this book, the author relives his experiences flying and fighting, with special attention given to the pilots' day-to-day lives - such as the prankish smoke bombing of Disneyland, the nickname for a United States Army-sponsored ...

Publisher: McFarland & Company Incorporated Pub

About this book
The author was drawn into the Army through ROTC, and was trained to fly helicopters in combat over Vietnam. He flew both Huey "slicks" and Huey "gunships": the former on defense as he flew troops into battle, and the latter on offense as he took the battle to the enemy. Through this book, the author relives his experiences flying and fighting, with special attention given to the pilots' day-to-day lives - such as the prankish smoke bombing of Disneyland, the nickname for a United States Army-sponsored compound for prostitution. Some of the pilots Joyce served with survived the war and went on to have careers with commercial airlines, and many were killed.



316 pages

Flying Insects and Robots

Creator: Dario Floreano, Jean-Christophe Zufferey, Mandyam V. Srinivasan | Computers - 2009-12-03

21.5 Typical swashplate used in RC helicopters (a) and P. Muren's 1 g coaxial RC helicopter (b). ... flight time for the same battery capacity), since the high rotation speed of the blades decreases their efficiency as airfoils [36] (see Fig. 21.4) ... A notable example is the quadrotor, which uses four rotors in a cross configuration.

Publisher: Springer-Verlag New York Incorporated

About this book
Flying insects are intelligent micromachines capable of exquisite maneuvers in unpredictable environments. Understanding these systems advances our knowledge of flight control, sensor suites, and unsteady aerodynamics, which is of crucial interest to engineers developing intelligent flying robots or micro air vehicles (MAVs). The insights we gain when synthesizing bioinspired systems can in turn benefit the fields of neurophysiology, ethology and zoology by providing real-life tests of the proposed models.This book was written by biologists and engineers leading the research in this crossdisciplinary field. It examines all aspects of the mechanics, technology and intelligence of insects and insectoids. After introductory-level overviews of flight control in insects, dedicated chapters focus on the development of autonomous flying systems using biological principles to sense their surroundings and autonomously navigate. A significant part of the book is dedicated to the mechanics and control of flapping wings both in insects and artificial systems. Finally hybrid locomotion, energy harvesting and manufacturing of small flying robots are covered. A particular feature of the book is the depth on realization topics such as control engineering, electronics, mechanics, optics, robotics and manufacturing.This book will be of interest to academic and industrial researchers engaged with theory and engineering in the domains of aerial robotics, artificial intelligence, and entomology.



1031 pages

Encyclopedia of Machine Learning

Creator: Claude Sammut, Geoffrey I. Webb | Computers - 2011-03-28

Figure 4 Super-imposed sequence ... Sensing capabilities are oen poor: For small remotely controlled (RC) helicopters, sensing is limited because the on- board sensors must deal with a large amount of vibration caused by the helicopter blades rotating at about Hz, as well as higher frequency noise from the engine.

Publisher: Springer-Verlag New York Incorporated

About this book
This comprehensive encyclopedia, in A-Z format, provides easy access to relevant information for those seeking entry into any aspect within the broad field of Machine Learning. Most of the several hundred entries in this preeminent work include useful literature references, providing the reader with a portal to more detailed information on any given topic. Topics for the Encyclopedia of Machine Learning were selected by a distinguished international advisory board. Each peer-reviewed, highly-structured entry includes a definition, key words, an illustration, applications, a bibliography, and links to related literature. The style of the entries in the Encyclopedia of Machine Learning is expository and tutorial, making the book a practical resource for high-performance computing experts as well as professionals in other fields who need to access this vital information but may not have the time to work their way through an entire text on their topic of interest.


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Editor's picks

  • Meijiaxin

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

    Toy (Meijiaxin)

    Rating (243 reviews):
    (4.0/5)
    Meijiaxin

    Perfect after mods and huey body

    Customer Video Review Length:: 4:07 Minsthis is one great helo I paid $86 bucks for mine including shipping over at banggood, but the mods are a huge help, heat sinks, lipo battery, canopy mod, landing skid rubber nuts, this bird is not easy to fly should have some flying behind you before trying, that said, I love how this handles, smooth, hovers great, great head speed even into wind, love that you can control the percentage of use on your sticks I like 85%, default is 90%, makes much more easy to fly, no dual rates on the remote but at this price that be asking too much this computer really tried to go towards the hobby end grade on this helo, once I completed my mods it fly's just as good as my $159 Walkera V200D02 and better than any Eflite Blade, so if your into the market for a good 4 channel but the hobby grades at over $150 is to pricey and the lower grade double horse not enough power this is the bird, watch my video I posted here, that was my very 1st flight and after the mods were all... 5/5 Dan (aka THXkid) (Phoenix, Az United States) - See all my reviews = Durability:, August 27, 2012

    It's more than you're paying for

    Customer Video Review Length:: 4:41 MinsThis is my 3rd heli ever. I'm been slowly teaching myself to fly so I can shoot aerial video. I'm a videographer by trade. So, all my heli purchases are based off my end game, which is to fly a DSLR. The MJX F45, for me, is a solid step in that direction. I was easily able to mount a GoPro to the front and relocate the battery for stable, balanced flight. The F45 lifts the additional weight of the GoPro without the housing (slightly less than the stock battery) without problem. I can still easily control the heli, even in a slight breeze. I have been able to fly the F45 higher than I should given my skill level. I've learned a ton with this heli. It's my first 4ch and first single blade. I've crashed it an embarrassing about of times and it's bounced back with very little damage. It even survived a huge fall shown in the video, with a camera attached, and still took to the air afterward (although it now flies horribly and needs repair)... 5/5 Twelvizm "I have a doctorate in rockin' it" (Portland, Oregon) - See all my reviews = Durability:, November 26, 2012

    Eminently flyable!

    I decided to buy the MJX F645 4 channel helicopter after reading many positive reviews, including that of Dan (THX Kid). It was also on sale at a local retailer at a great price, and spare parts seem to be readily available as well. The radio is 2.4 GHz and has a longer range than the 27-40 MHz offerings. All plus points!My only prior experience was with 3 channel co-axials, and I don't have access to a simulator. I didn't even have training landing gear attached. I am also not a video gamer, and was never any good at them either (just mentioning all this to indicate that I have just average hand-eye coordination skills!)Yet I was able to take this helicopter off, fly and land safely. The remote has the option to select what the manufacturer calls "Mod 2", and I selected this, since it resembles 3 channel control setups, in which the left stick controls throttle, and the right stick controls elevator and rudder. Experienced pilots would select what the manufacturer calls "Mod 4"... 5/5 Lentar - See all my reviews = Durability:, October 1, 2012
    List Price: $149.99
    Price: $62.26
    You Save: $87.73 (58%)
    Colors may vary
    It comes in green and red
    70cm, 4ch 2.4GHZ LCD
    Metal Body
    MEMS Gyro


  • WLtoys

    WLtoys Large V912 4CH Single Blade RC Remote Control Helicopter With Gyro RTF

    Toy (WLtoys)
    List Price: $206.99
    Price: $40.92
    You Save: $166.07 (80%)

    Transmitter with LCD screen
    Large Single Blade RC Helicopter with Gyro
    WL Toys V912


  • MJX

    Toys Agency MJX F645 F45 4ch LCD 2.4GHZ Large Single Blade Rc Helicopter - Color GREEN

    Toy (MJX)

    Charging time:2.5-3 hours
    Flying distance:100 meters
    Flying time: about 6-8 minutes
    Ready to fly right out of the box - Color Green
    Fully Functional 4 Channel (up. Down, fly left, fly right, forward, backward, left, right, with a searchlight)


  • Udirc

    UDI U818A 2.4GHz 4 CH 6 Axis Gyro RC Quadcopter with Camera RTF Mode 2 with 2GB SD CARD included

    Hobby (Udirc)
    List Price: $64.99
    Price: $54.49
    You Save: $10.50 (16%)

    6 AXIS GYRO with posture control - Integrated design guarantee the precise positioning of the aircraft.
    4 CHANNEL function provide stable flying and easy operation.
    High Capacity Battery And Strong Power Motors Enable The Helicopter To Fly Much Longer And More Efficiently
    4 CHANNEL function provide stable flying and easy operation; Video Camera FPV
    Modular Design makes it easy to install and repair; Remote Distance is up to 30m
    High Capacity Battery And Strong Power Motors Enable The Helicopter To Fly Much Longer And More Efficiently.
    6 AXIS GYRO with posture control - Integrated design guarantee the precise positioning of the aircraft
    Modular Design makes it easy to install and repair. Remote Distance is up to 30m.


  • Syma

    Syma S107G 3.5 Channel RC Helicopter with Gyro, Blue

    Hobby (Syma)

    Rating (0 reviews):
    (4.2/5)
    Syma

    Great little toy

    Most of the other reviews have hit the major pros and cons with this, but there are still a few more that I can add. Hope they help in making your purchasing decisions!PRO:- Thanks to the gyro, very short learning curve. Remote has two joysticks. Left side only moves up/down and controls speed of the rotors, which controls how much lift they generate. Right joystick moves up/down (controlling forward/reverse) and left/right (makes heli spin). You can also moving the right stick diagonally to make various turns while moving forward or backwards (reverse "figure-8's" are always impressive).- Surprisingly large number of "mods" that can be done to a $30 heli. After experimenting, I have settled on two minor ones. First, I removed the spring from the left joystick in the controller. This lets me put the heli in a hover and let go of the remote ("look ma, no hands!"). I have also moved the landing gear forward in their mounts to push the center of... 4/5 RJ (NY, NY) - See all my reviews = Durability:, December 24, 2010

    An unsung hero of the indoor RC helis - The Syma S107 (7.5 inches long)

    RATING: After flying the 7.5 inch Syma S107 indoor heli for about 3 months now, I have to say that it is one of the most under-rated RC heli out there, hands down. Shop around. At about $30 online with taxes and stuff, this little trooper delivers the looks, detail, durability and performance of a much pricier heli. The Syma S107 has only 3-way controls but it competes surprisingly well with the likes of the Blade MCX2 which has 4-way controls and retails for about $150 off-line.PERFORMANCE: I find it more fun to fly the Syma S107 than the smoother and more mellifluous Blade MCX2. In this sense the Syma S107 hews to a less is more principle: i.e. it delivers more with less. But here is the irony of the whole situation: the Syma S107's ragged performance edge actually connects with you better than the ultra-smooth Blade MCX2. It's almost like the difference between stick shift and automatic transmission. The S107's controls just feel more tactile than those of the Blade... 5/5 C. Rex - See all my reviews = Durability:, November 3, 2010

    Is there such a thing as a toy that's too perfect...?

    The Syma S107 is so easy to control that on my first flight I had it tour my whole apartment, zooming in and out of closets and never touching an obstacle until I deliberately landed it. If you've never flown a good RC heli before, you might need to practice a bit. It might be your second or third flight before you get that good.The S107 is *really* that easy to control.I'm sure that many of you have played with Air Hogs and other micro helis and you long for a little heli that just plain flies where you want it to fly and stays up in the air. I'm here to tell you that such perfection is within your grasp.Before I got my S107, I already owned two Syma S105s and I never get tired of flying them. They look almost identical to the S107 and the remote is identical, but they take a little bit of skill to fly with precision and I've made little tweaks here and there to get better control.The S107 takes almost no skill to fly. They gyro makes... 5/5 Hey Mo!! (The City of Townsville) - See all my reviews, July 28, 2010
    List Price: $19.99
    Motor Type: Brushed
    Stabile Flight Characteristics
    Easy to Fly
    Battery Type: Lithium Polymer (LiPO Battery), batteries for remote control not included
    Great for Beginners
    S107 and S107G differ only in labeling. Either may be shipped.


  • Haktoys

    Crash Kit Main Blades Tail Flybar Set for Haktoys® HAK448 4 Channel 16" RC Helicopter

    Toy (Haktoys)

    Rating (3 reviews):
    (4.3/5)
    Haktoys

    everything is great

    0 5/5 twnzgramp - See all my reviews Verified Purchase(What's this?) This review is from: Crash Kit Main Blades Tail Flybar Set for Haktoys® HAK448 4 Channel 16" RC Helicopter (Toy) Had to use some of the parts the day I got them in the mail ..... everything is great 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 19, 2014

    Good buy.

    0 5/5 dan neely - See all my reviews Verified Purchase(What's this?) This review is from: Crash Kit Main Blades Tail Flybar Set for Haktoys® HAK448 4 Channel 16" RC Helicopter (Toy) Great buy and deal. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , November 9, 2014

    Three Stars

    0 3/5 Allan Chacon - See all my reviews This review is from: Crash Kit Main Blades Tail Flybar Set for Haktoys® HAK448 4 Channel 16" RC Helicopter (Toy) Good parts. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 21, 2014
    List Price: $19.99
    Price: $9.99
    You Save: $10.00 (50%)
    Compatible with Haktoys® HAK448
    Package contents: 4 x main blades, 1 x tail blade, 1 x flybar, 2 x connect buckles, 4 x main grip set


  • Haktoys

    Haktoys® HAK809 10" Mini 2.4GHz Single Blade 4CH RC Helicopter, Gyroscope, Rechargeable, Ready To Fly

    Toy (Haktoys)

    Rating (4 reviews):
    (4.8/5)
    Haktoys

    I really like this helicopter

    0 4/5 Tom S. - See all my reviews Verified Purchase(What's this?) This review is from: Haktoys® HAK809 10" Mini 2.4GHz Single Blade 4CH RC Helicopter, Gyroscope, Rechargeable, Ready To Fly (Toy) My one problem is finding parts. I am waiting on return requests made for those. That said, after many crash's, one lost and found it. I really like this helicopter. There are 3 unqualified pilots here yet we have broken only, the landing skid. New skid I have found. The rotor blades I'm not finding, yet! Soon needed I'm sure. Inside, outside, Nice chopper, very nice. I have 26 helicopters. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 26, 2014

    Love it!

    0 5/5 Samantha S. - See all my reviews This review is from: Haktoys® HAK809 10" Mini 2.4GHz Single Blade 4CH RC Helicopter, Gyroscope, Rechargeable, Ready To Fly (Toy) This is a fast little copter for those who want to improve their RC experience to next level. After trimming the helicopter it flew like a beast. The frame is plastic, but seems to be substantially sturdy. Of course I recommend this product! 0 Help other customers find the most helpful reviews  Was this review helpful to you? , October 19, 2014

    Five Stars

    0 5/5 Jason Z. - See all my reviews Verified Purchase(What's this?) This review is from: Haktoys® HAK809 10" Mini 2.4GHz Single Blade 4CH RC Helicopter, Gyroscope, Rechargeable, Ready To Fly (Toy) flies great outdoors. came with an extra battery. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , November 19, 2014
    List Price: $99.99
    Price: $69.99
    You Save: $9.99 (14%)
    Package Contents: 1 x HAK809 Helicopter, 1 x 2.4GhzTransmitter, 2 x Extra Li-ion Rechargeable Batteries , 1 x USB charger, 1 x Instructions Manual. REQUIRED: 6 x 1.5V AA alkaline batteries for the Transmitter
    Specifications: Length: 10" Width: 2.2" Height: 3.5" Main Rotor Diameter 7.8" Spare parts are available.
    Indoor/outdoor copter flies up to 200 yards-the length of two football fields! Switch between Slow mode for easy flight or Fast mode for advanced banking and sweeping. 2 speed settings for controlled flights or tricks and aerobatics. 2.4GHz digital spread-spectrum technology eliminates radio interference.
    Controls: forward / backward / up / down / left / right / left bank / right bank. Proportional controls. 360 Precise Directional Movement. Smooth hovering. Built-in 3.7V Li-ion Rechargeable Battery
    True Blade Pitch-just like with a real copter, two servos control the pitch of the blades to change directions. Swappable battery lets you switch batteries so you don't have to wait for recharging. Monitor speed, trim, battery usage and other features on the controller's LCD screen


  • JP Commerce

    4CH 2.4GHz Mini Radio Single Propeller RC Helicopter Gyro V911 RTF White&Blue

    Toy (JP Commerce)

    Rating (482 reviews):
    (4.0/5)
    JP Commerce

    Best Heli EVER - NOT EVEN KIDDING

    I have flown a LOT of R/C planes. Gas, Electric, Glider. I own an embarrassing amount of coaxial helis. This beats them all - No joke.You should know - I suck at flying helis. Badly. I fly them all the time in the Realflight Sim (Excellent BTW), and it ends in tragedy and disaster. Every time. Every. Time.I'm fairly good at flying coaxial helis, however. Pretty much anyone with a pulse would be. I think you could manage if you are missing an arm. They are fun for poking around the house at about 1ft/sec top speed, they will hover while you make yourself a sandwich, and supreme at playing 'what can I land on' games (The Syma 107 cannot be beat for that). I have some big ones for flying outside. They are terrible outside. I want to fly outside...Then I read glowing reviews about the v911. Beginners love it, CP Snobs sneer at it. Perfect. For under $50 I was in.When I got it in, I was concerned. The Syma 107 I have has... 5/5 Pandafish (FL) - See all my reviews = Durability:, August 7, 2012

    Extremely a blast to fly

    Customer Video Review Length:: 2:06 MinsI have this model but in the black and orange color, wish I had got this blue and white model, this bird is easy to fly, very durable, handles breezes quite well, is quite fast almost too fast for inside use. after over 50 flights with this I have noticed one slight flaw, the swash plate center piece will rise up causing the helo to drift backwards, so just make sure to push it back down after each flight, there is a fix buy the nine eagles 260a pro swash plates for $3 and it will cure the problem I went ahead and spent the $9 and the nice light weight aluminum CNC parts for just cause they are cool looking. I am really hoping to get a second one (blue and white) to add to my already 9 helicopters. I did not buy mine from this seller I got mine from banggood.com and at that time for $45 its now $53, but so much better than it counterparts the align T-100s and the nine eagles 260a Pro and a whole lot cheaper also.3/21/12 got new 2nd one blus and... 5/5 Dan (aka THXkid) (Phoenix, Az United States) - See all my reviews = Durability:, March 4, 2012

    You get so much more than a Syma

    I own probably like 8 Syma RC Helicopters. I shied away from these because they were more than twice as expensive as the best mini Syma( the S109G Apache). But I decided to go for it after seeing the steller reviews.If you are like me, you are wondering why you should buy this instead of a the mini Syma's which are half as much. The answer is that the Syma's are great for what they are, which is very stable helicopters that you can fly indoors, but this is a whole different ball game. This is a much higher quality toy with different capabilities.Major differences: * The remote is a very nice 2.4ghz remote control instead of the cheap infrared kind that only works indoors. (this is fine for a Syma which isn't powerful enough to fly outside anyway). The remote comes with much more sophisticated trim adjustment and an LCD display. * This comes with two batteries, plus a charger that can charge both batteries at the same time. The batteries are not even... 5/5 Chris (Washington, DC) - See all my reviews = Durability:, September 28, 2012
    List Price: $119.95


  • Haktoys

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

    Toy (Haktoys)

    Rating (29 reviews):
    (4.0/5)
    Haktoys

    Excellent quality and fun to fly. Certainly worth the money.

    0 5/5 Gary P. (CA) - See all my reviews This review is from: Haktoys® HAK448 4 Channel 16" RC Helicopter, Gyroscope, Rechargeable, Ready to Fly, and with LED Lights - Colors May Vary (Toy) HAK448 came in a mid-size box with a transparent plastic in the front. After charging it about 1 hour, I took it outside. I flew the helicopter while enjoying the breeze and sun. I was surprised how easy it was to fly, not sure because I'm a tech guy, or this beast was engineered magnificently. I got about 10 minutes of flight time per charge. I also was surprised how durable the material was. I crashed it many times, yet still flies like a beast.Side blades are protected with plastic cotton which makes it safer to fly.Note: I was provided a free sample for review purposes in an exchange for a fair and honest reflection of my experience. 0 Help other customers find the most helpful reviews  Was this review helpful to you? , July 18, 2014

    Fantastic!

    0 5/5 michelle bennett - See all my reviews Verified Purchase(What's this?) This review is from: Haktoys® HAK448 4 Channel 16" RC Helicopter, Gyroscope, Rechargeable, Ready to Fly, and with LED Lights - Colors May Vary (Toy) I bought this for my boyfriend's birthday gift, he absolutely loves it. He's not great at it yet but getting there. It's takin some mighty hard crashes and just keeps going....everytime we think it's destroyed, it comes back to life!!!! 0 Help other customers find the most helpful reviews  Was this review helpful to you? , May 15, 2014

    not very satisfied

    0 1/5 sirtoria rosemond - See all my reviews Verified Purchase(What's this?) This review is from: Haktoys® HAK448 4 Channel 16" RC Helicopter, Gyroscope, Rechargeable, Ready to Fly, and with LED Lights - Colors May Vary (Toy) the first day we used it it broke. we were very careful when landing and very careful follow the instructions yet its still broke not very satisfied .looks like it would have been fun to use. the manufacturer got in touch with me very promptly and resolved my issue and now they are sending me a new one. that was very generous of them! very pleased with the customer service of the company and will make future purchases with them. will keep you posted! 0 Help other customers find the most helpful reviews  Was this review helpful to you? , June 21, 2014
    List Price: $129.99
    Price: $79.99
    You Save: $20.00 (25%)
    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.
    Indoor/outdoor copter flies up to 300 feet
    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)
    Electric Powered, 4 Channel, Radio Control, Ultra Light Alloy Metal Body, Coaxial Rotor, Detailed Paint Job
    Please Note: Do not leave the helicopter switched on when not in use.


  • Cool City Trading

    38cm Double Horse 9116 2.4GHz 4CH 4 Channel RC Single Blade Helicopter Gyro Big 450 Size (COLORS MAY VARY)

    Toy (Cool City Trading)

    Rating (197 reviews):
    (3.4/5)
    Cool City Trading

    Great single rotor, four channel helicopter!!

    I purchased my Double Horse 9116 from a seller on Ebay. Got a great deal on it as well ($89.88- current price) with free shipping. I was very pleased with my experience from the Ebay seller.What's in the box?You will receive a very nice looking DH9116 4 channel electric helicopter measuring 19.5 inches in length if you stretch the main and tail rotors out front to back and measure tip to tip. It stands 5.5 inches tall if measured from the bottom of the skids to the top of the main rotor assembly. Main rotor length is 15 inches. The DH9116 is fully assembled and ready to fly (after it's charged). You will also receive a four channel, mode 2 radio with a high/low rate switch and four trim buttons. The radio also sports a lighted LCD screen that shows trim and stick positions as well as battery life. The menu button allows for stick reversing and set up for left or right handed flyers. You will also receive a wall charger, plug and manual.What is "Mode... 5/5 Kenneth Marcum "Harley Man" (Fort Wayne, IN. USA) - See all my reviews, December 30, 2011

    Big step up from the toy 3ch copters

    Someone already wrote a really nice review of this copter so I'll keep this fairly short. First and foremost, if you think you know how to fly helicopters from flying 3ch coaxial helicopters, you don't. Although they have provided you with some of the physics of rotary flight, they've also provided you with a huge comfort level in that they are able to hover continuously. Forget most of that with this one.A 4ch single rotor is getting the user closer to collective pitch flying will still providing a greater degree of safety via being able to hover for brief periods and with some input from the flyer. More challenging but a lot more fund when you've mastered it. This is a great beginner copter for someone who hopes to progress to 6ch CP and likes to fly outdoors. Most coaxials do very poorly in the wind, this does better. Still not great but able to be confidently flown in 5mph breezes.The copter itself is very well made IMO. Real hobbyists will... 5/5 tom4416 "bookie monster" (Virginia) - See all my reviews, January 18, 2012

    Love flying this heli! Great value.

    This was an upgrade from my strictly indoor Syma S107/S107G R/C Helicopter - Red dual-rotor helicopter. I had mastered the easy 3-channel Syma, and wanted to try a single rotor 4-channel. I have never flown any RC helicopters prior to the Syma, nor do I have any real-life aircraft piloting experience.Your experience may differ from mine, but thought I would share. I do not think the 9116 is an indoor helicopter, as it requires a lot of free open space to safely fly (without damaging the helicopter). It takes about 1.25 to 1.5 hours to fully charge the helicopter, and once you are used to flying this heli, it will be a LONG 1.5 hours to wait! It is slightly idiosyncratic at times, but "resets" easily when you turn off and turn on the helicopter (when it starts to act erratically after a full charge, at the beginning of your flight). Sometimes if you get if off the ground to about 3 to 5 feet you may notice the erratic behavior disappear (which may be due to "ground... 5/5 ppmd "Professional" (Arizona, USA) - See all my reviews = Durability:, February 11, 2012
    List Price: $149.95
    Price: $51.42
    You Save: $98.53 (66%)


Helicopters