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Posts tagged Rc Helicopter
Radio Controlled Coaxial helicopters
Aug 2nd
Coaxial Radio Controlled model helicopters are an ideal introduction to rc helicopter flying gue to their stability and slow responsiveness. This makes them far easier to master than the traditional single rotor / tail rotor counterparts. With a bit of practice they are stable enough to be flow indoors in a confined space so your can
practice anywhere.
A conventional rc helicopter has a single rotor and a tail rotor to control yaw ie the direction in which the helicopter is pointing. A coaxial helicopter however has two rotors on top of the helicopter and no tail rotor. These rotor rotate in opposite directions and the torque generated by each rotor cancels the other one. This results in extremely stable hovering. Yaw is controlled by adjusting the speed of one of the two rotors. Coaxial helicopters are available in 2, 3 and 4 channel versions. We would recommend a 4 channel coaxial helicopter as this provides for controls pitch, bank, throttle, and yaw.
Coaxial helicopters have a number of advantges and disadvantages.
Advantages include
- easier setup due to them requiring no gyro.
- cheaper since less electronics are required.
- very stable in the hover making them ideal for orientation practice.
- most are available ready to fly requiring no building or setup.
- generally they are very tough and can survive crashes well.
Disadvantages
- the motors need to be evenly matched so the torque generated by each rotor is similar.
- very slow and unresponsive. Getting them to move from the hover can require quite violent stick movements !
- at extreme cyclic throws the rotors can clash causing a crash
Generally coaxial Radio Controlled helicopters are small in size ranging from 3 inch rotor spans up to about 15 inch. Whilst some coaxial helicopters can be considered nothing more than toys some of the better 4 channel models from companies such as ESky and E-Flite are an excellent introduction to the world of Radio Controlled model helicopter flying.
See the Radio Controlled helicopter section on In Miniature for more information about Radio Controlled model helicopters
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Esky Honeybee 4ch Rc Helicopter Review
Jul 20th
Well, where to start with this one… This has got to be one of the coolest yet frustrating things anyone has ever bought me. Let me explain… My girlfriend bought me this for Christmas from Buzzflyer.co.uk for around £110, as soon as I opened it I was like a kid at 10 years old again. On the box it said for indoor/outdoor flight so naturally the box was flung open and the battery was straight on charge ready for a bout of flying round the living room.
What’s in the box?
1 x Assembled Esky Honeybee Helicopter
1 x 4CH Radio Handset and aerial
1 x AC adapter
1 x 12V Battery lead (to charge the helicopter battery from a 12V car battery etc)
1 x Transformer
1 x Lithium Polymer (LiPo) Battery
1 x Plastic bag of bits and bobs
1 x Instructions
The Esky Honeybee is billed as an RTF helicopter (Ready To Fly, for those not in the know) which means that in theory all it should require is a quick charge and off you go.
Naturally being a bloke there was no need to read the instructions so I just plugged the battery into the beast and off I went. It very quickly became apparent that this is definitely NOT an indoor toy, in fact it is not even a toy at all come to mention it.
Obviously what’s the first thing you do when you get a toy helicopter? You got it, stick on maximum revs and see what happens! That’s where this thing went from 0 to lethal in less than a second. It looked so innocent sat on the floor till I whacked the throttle up then I seriously began to fear for my safety. The downdraft from this thing was amazing considering the size, what looked quite small in the beginning now seemed relatively large once the blades were spun up, and what a noise! To put it into context; have you ever seen hypnodisc on robot wars? Now imagine that but flying uncontrollably around your living room at head height, brown pants moment I think you’ll agree! I ducked for cover as the beast ploughed straight into the wall, slid down, and proceeded to have what looked like an epileptic fit on the floor. My first venture and already a broken part (albeit minor and not detrimental to operation). “Ah” I thought, “probably better off outside”.
So out I went, only a slight breeze so I thought to myself “perfect” – mistake number 2.
Full throttle once again (this time from a safe distance). The helicopter took straight off and was instantly carried by the slight breeze at a rate of knots till it was out of sight. I ran over to it only to find it looking like a wet dog on a cold day, all bunched up and twitching.
This time I had broken several major parts so I packed up my helicopter and walked home in shame to figure out what I was doing wrong and order some spare bits (which weren’t cheap). “Suppose I best read the manual” I thought.
Ah… Apparently you have to set the helicopter up first as regards to the balancing of the main rotor, paddles, and the weight distribution so that the centre of gravity is directly beneath the rotor shaft. This is EXTREMELY important if you want any kind of stable flight. Instructions for this can be downloaded here.
The next thing you have to do is set up the gain and trim of the tail rotor; this is so that while throttling up the main rotor the helicopter will remain stable and pointing in the same direction.
With these tasks complete I then took the helicopter to an empty squash court with a friend who had also bought a honeybee helicopter (although he opted for the 6 channel collective pitch model, boy did he regret that later).
This time I was dead careful, I slowly increased the throttle until it was very light on the ground then applied a short burst just to get it in the air and out of the ground effect (this is another thing I learned, after experimenting trying to get the honeybee to hover in my kitchen it would constantly drift to the left no matter what controls were applied. After a bit of research I discovered that it’s something to do with the way the air flows when the rotor is so close to the ground that makes it act in this way. Hence the term ‘ground effect’. The only way you can get the helicopter into a stable hover is to quickly apply the throttle in a short burst so that it rises out of the ground effect to about knee level where it will become more stable.)
It then became apparent that I was out of my depth, I thought being only a 4 channel helicopter it couldn’t be that hard and I would have become a master of flight before the day was out. That day turned into about a month of practice, several expensive crashes, and 2 body injuries from the main rotor and I’m still not great although I’ve become quite good at a stable hover. Flying a RC helicopter is a lot more difficult than it looks!
On the same day of the first proper maiden flight in the squash court, my friend opted for the same initial response as I had when first getting the heli out of the box (it was the first time he had ever turned it on) only this time he didn’t get away with a minor breakage as with mine. He pushed the throttle to maximum and with the 6 channel Honeybee having more power it took off like a trident missile straight into the squash court wall and folded up like a spring loaded deckchair. It was a write-off. Less than 1 second total flight time and it cost him a fortune (not to mention hours of build time and bleeding thumbs) just to get it back to a reasonable flying condition only to have a similar incident the second time round! He was nearly in tears and I tried to be sympathetic but I couldn’t help crying with laughter, bad I know but the comedy of the situation was hard to ignore!
My advice would be don’t buy this particular RC helicopter if you have never flown one before. The damage caused by learning to fly it will drive you insane not to mention the cost and time to rebuild it. If your serious about it get some advice before you buy one and try to get some proper training from someone who already knows how to fly RC helicopters. Trust me it will save you a lot of headaches not to mention a hefty repair bill. One plus side of the honeybee FP (fixed pitch blades) is that the battery lasts ages. On a full charge the Lithium Polymer (LiPo) battery gives a good 30 minutes of continuous ‘attempted’ flight.
The principle behind an electric helicopter is a good one and I admire what Esky have tried to do by creating a cheap offering but to me the build quality was a bit lacking, only very slight knocks would cause something to break which means the novelty wears off extremely quickly.
If I had to buy one again I would go for the Micron V2 which is a tiny indoor helicopter the advantages of this is that the build quality looks substantially better than the honeybee, and the size is such that you can actually fly it in your living room which means that any major crashes and knocks are likely to be absorbed by soft things such as sofas and carpets.
Conclusion
Great idea in principle, but the build quality is a bit lacking.
John’s Reviews rating
4/10
For more reviews and how to’s go John’s Reviews
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John’s Reviews – John’s Reviews
Radio Controlled Helicopter Now Available at Discounted Rates
Jul 18th
Tiny helicopters are now available in the market which can be flown through the radio controls. They have replaced the remote control planes. They are available in both indoor and outdoor versions.
What are Radio Controlled Helicopters?
As already mentioned, they are toys but can be flown anywhere with the help of the radio controls. The controls transmit radio signals that are used to direct the course of flight.
Types of Radio Controlled Helicopters available in the market
• 3 channel RC helicopters: It is one of the basic versions of these kinds of helicopters. This version of the plane can be flown in the easiest manner. It is fit for all age group people.
• 4 channel RC helicopter: This is the next version of this helicopter. You need higher skills to fly this aircraft.
• 6 channel RC helicopters: This is the most complicated version of the lot. Flying this aircraft needs high caliber and intelligence.
Parts of Radio Controlled helicopter
It consists of a LiPo battery pack and wires, transmitters, storing kit, blades etc.
Models available
There are several models available in the market. Some of these are categorized into 3 channels, some 4 and the rest for 6 channels.
• E-SKY Lama V4
• E-SKY KOB
• Walkera 4G1B
• E-SKY Honeybee V2
• E-SKY Belt-CP V2
• Salvation 3 RC helicopter
• E-SKY EC 130 Hunter
• E-SKY KOB
• Walkera 5G4Q3 Airwolf 2.4G
There are other models available in the market as well. The designs are copy of the original fighter planes or public aircrafts.
Advantages of the Radio Controlled Helicopter
Radio Controlled Helicopter is a sophisticated toy. Playing with this toy will develop the intelligence level of your child. He/she will learn to build the aircraft from the scratch and handle the tough controls to fly the plane. Other than the scientific factor, it is undoubtedly an interesting mode of entertainment for all age groups alike.
Online stores
You can buy this Radio Controlled Helicopter through any online toy stores. You can now order in bulk as the price rates are dirt cheap.
rcmods.co.uk provides the best Radio Controlled Helicopters, spares, upgrades and accessories. We also provide different types of RC Helicopters to you.
Most interesting wholesale Radio Controlled Helicopter
Jul 13th
Radio control is a way of making models of cars, helicopters, boats, tanks and aircrafts move on their own like real ones. Notice that you need to decide whether you want a radio control or perhaps one that has an electric engine. You could buy either one which is ready to run or a kit. Now, knowing how much you would want to spend start going shopping for a vehicle that fits your specifications. Like me passion is what drew me to this exciting hobby and there’s a lot you are going to learn before you can “get behind the wheel”. It is always good start at a nearby hobby store – look for one that specializes in radio control. Speak to people you’ll find working in the store and chances are that these people are true blue rc hobbyists as well. There is much you can learn from, so pick their brains well. You’ll find these machines to be sleek and powerful, tearing up the terrain in a jiffy and it’s certainly a lot of fun watching them go.
Most of all, have fun – Radio control toy is a wonderful way to meet people, to challenge yourself, and to fulfill your driving fantasies. The best quality and wholesale Radio Controlled Helicopters at IloveChinaShopping.com is waiting for you!
Wholesale China Radio Controlled Helicopters – RC Helicopter – Remote Control Helicopters from IloveChinaShopping.com 3 CH RC Helicopter Eagle with LED Lights Description: This eagle helicopter built up popularity with its aggressive fiery design. This 3 channel helicopter also comes with co-axial blades for exceptional hovering stability. This Eagle can fly left, right, forward, backward and hover. This is a great beginner helicopter for beginner hobbyists. This helicopter is recommending for ages 14 and up. Charge for 3 hours and fly 20 mins. Get your Eagle Helicopter today before they run out! Radio Controlled Helicopter Main Features: 3 Channels Remote Control, Forward, Backward, Up, Down, Turn Left and Right Flying Fully Assembled Aluminum Landing Gear Co-axial Rotor High Power 180*2 Motor Suitable for Ages 14 and over 9.6V Rechargeable Battery Specifications:Overall Size Length: 22.8 in (580mm) Height: 8.6 in (219mm) Transmitter :Standard 3CH Battery :9.6V Rechargeable Battery Charging Time :3 hours Flying Time :20 mins Transmitter Battery :8 * 1.5V AA(not included) Control Distance :100 meters Package Contents: Eagle RC Helicopter 3CH Transmitter Charger Rechargeable Battery English Manual Screwdriver 3 Batteries for LED Lights
Make your next mission a success with this extreme indoor helicopter. Powered by two, counter-rotating propellers and a rear rotor stabilizer. Flies and hovers with precision control gives you power to move up, down, left, right, forward and reverse Perfect for indoor missions. You’ll love the wholesale radio control toys at ILoveChinaShopping.com. 3 CH RC Helicopter Eagle with LED Lights – Nice realistic motion and the thrill of total control for you.
Best gift for children – wholesale Radio Controlled Helicopter at ILoveChinaShopping
Jul 12th
Find wholesale Radio control toy at ILoveChinaShopping.com for a cheapest price and you will probably get durable model. Buying Radio control helicopters from ILoveChinaShopping.com – this is the first online site and look through the models they are great quality for sale.Then when you receive the Radio control helicopter, you can immediately shocked by its aggressive fiery design.
I’d like to recommend 3CH Radio Control Helicopter Fly 6 Minutes on a Single Charge to you: 3CH Radio Control Helicopter Fly 6 Minutes on a Single Charge Description: This brand new 3 channel radio control helicopter can fly about 6 minutes on a single charge and remote up to 25 meters! Main Features: 3 Channels Remote Control, Up, Down, Left, Right, Forward and Backwards Rechargeable Battery for Helicopter: 3.7V 680MAH Lithium included Battery for Controller: 6xAA (not included) Full Charge Time: about 60 mins Fly Time: about 6 minutes Remote Distance: about 25 meters Frequency: 27/40 MHZ Charging Circuit Protection Radio Controlled Helicopter Specifications: Size :36*24*18cm Box size :49.5*13*22cm Goss Weight :0.6kg Package Contents: Brand New RC 3 Channel Helicopter Remote Controller Charger Tial Rotor English Manual
The 3CH Radio Control Helicopter is the most exciting and advanced radio control toy available on the market! So much fun to play with whether you are a child or a man! This fantastic gadget really is suitable for people of all ages. The helicopter features some really advanced stability technology which makes this helicopter incredibly easy to maneuver. The helicopter features an LED strobe light, and incorporates an auto stability system to make this chopper easy to operate both indoors and outside in calm conditions. This helicopter is amazing, and it doesn’t take experience to fly it! You can take off, hover in one spot then direct it left or right while remaining in complete control, and landings are fully controlled and gentle. These wholesale radio control toys from ILoveChinaShopping.com is best gift for children.