How to Safely Dispose of Lithium, LiPo, LiPoly Battery Packs

By RaMPaG

Unlike NiCd batteries, lithium-polymer batteries are environmentally friendly. For safety reasons, it’s best that LiPo cells be fully discharged before disposal (however, if physically damaged it is NOT recommended to discharge LiPo cells before disposal - see below for details). The batteries must also be cool before proceeding with disposal instructions.

To dispose of LiPo cells and packs:

1. If any LiPo cell in the pack has been physically damaged, resulting in a swollen cell or a split or tear in a cell’s foil covering, do NOT discharge the battery. Jump to step 5.
2. Place the LiPo battery in a fireproof container or bucket of sand.
3. Connect the battery to a LiPo discharger. Set the discharge cutoff voltage to the lowest possible value. Set the discharge current to a C/10 value, with “C” being the capacity rating of the pack. For example, the “1C” rating for a 1200mAh battery is 1.2A, and that battery’s C/10 current value is (1.2A / 10) can be used, such as a power resistor or set of light bulbs as long as the discharge current doesn’t exceed the C/10 value and cause an overheating condition. For LiPo packs rated at 7.4V and 11.1V , connect a 150 ohm resistor with a power rating of 2 watts (commonly found at Radio Shack)to the pack’s positive and negative terminals to safely discharge connecting it to an ESC/ motor system and allowing the motor to run indefinitely until no power remains to further cause the system to function.
4. Discharge the battery until its voltage reaches 1.0V per cell or lower. For resistive load type discharges, discharge the battery for up to 24 hours.
5. Submerse the battery into bucket or tub of salt water. This container should have a lid, but it should not need to be air-tight. Prepare a plastic container (do not use metal) of cold water. And mix in 1/2 cup of salt per gallon of water. Drop the battery into the salt water. Allow the battery to remain in the tub of salt water for at least 2 weeks.
6. Remove the LiPo battery from the salt water, wrap it in newspaper or paper towels and place it in the normal trash. They are landfill safe.


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RC News report

By RaMPaG
RC News report from which country as a result disremember already that meet a young man the half is good the half is crazy thirst from train fly be born taut symptoms assemble with train fly among the burning sunshine hirsty at most cause the symptoms be dizzy grab gallon leads it Nitro 30% spinning big wheels that are locate beside the field s drink until almost finished gallon after drinking then to make the body The vigorous like model The miraculous come out train fly new
this time fly more still originally



The Basics of RC Helis; The Ulitmate Guide to Rotary Flight
This book from the publishers of Model Airplane News magazine will help you through the learning stages of R/C helicopter flying and into more advanced forms of aerobatics, with minimum hardship to bo ...

Accident

By RaMPaG
be the error again there is a picture comes to see because of play until low too cause the damage

RTF Helicopters, Are They Really "Ready To Fly"?

By: Tara Soonthornnont
Electric RC Helicopters have enjoyed a sudden rise in popularity due to recent significant improvements in the radio-control and electronics industry. As their components improve in quality while at the same time getting cheaper in price, many manufacturers launch beginner models labeled as RTF or "Ready to Fly"- but are they really?

In fact, the phrase "Ready to fly" was born in the days of more "traditional" RC aviation. What it actually meant, at least initially, was "required no assembly". It didn't mean that RTF kits didn't require set-ups, tuning, or tinkering before it could take to the air.

Nowadays, however, new pilots just starting out with this hobby expect their new model that comes labeled as "flying right out of the box" to do just that. Unfortunately, that is not always the case.

Very often, beginner pilots realize that RTF helicopters are not so "ready to fly" when they learn that keeping them in the air is quite difficult, especially for four channel models. While there are co-axle models available which are relatively easier to handle, they too require hours of training.

Also, these helicopters with their rotor blades spinning at extremely fast speeds can cause serious injuries. Therefore, no one would want an out-of-control helicopter of any size in their vicinity. Many would soon conclude that even for these RTF fliers, the best approach is to first learn in a simulator. This fact alone means that even easiest to fly RTF helicopter requires practice, and often times, lots of it - upsetting the very concept of "flying right out of the box".

RTF Helicopters doesn't always come with everything you need to fly as most people would think either. The most common missing component is the battery back for the radio controller - they usually come with a battery rack that requires 4 to 8 AA alkaline batteries. More serious fliers usually end up buying a rechargeable pack not long after their initial purchase of the kit.

Another popular missing component is a battery charger. These RTF kit usually comes with very rudimentary adaptor that you can plug right into your battery pack, which by all accounts, doesn't constitute a "charger". They don't even cut the electrical flow when the battery is full (which, by the way, may lead to over charging and ultimately, the explosion of the battery pack). In fact, many find it ironic that these RTF kits include a battery pack but no charger.

Not until very recently has this issue been addressed and few very new models (such as the LAMA IV by Esky) come complete with an adequate charger.

Nevertheless, there are some helicopters that are truly "ready to fly" right out of the box. These are the 2-channel models such as famous Picoo Z. Not only are they ready to fly, they are palm-size, allowing for them to be flown just about anywhere that is windless. These little fliers are also pretty durable, enabling them to withstand crashes after crashes. However, they are much less maneuverable than four-channel models.

All in all, there are many kinds of RTF kits and some are more "ready to fly" than others. Those who want models to work seamlessly right out of the box can settle for 2 channel models, compromising maneuverability. On the other hand, those who want more flight-capable models may go for 4 channel models, only to find that they are not as ready to fly as advertised. Nevertheless, these RTF kits provides a great lesson for enthusiasts new to this hobby; one that teaches them to fly as well as to endlessly enjoy setting up, modifying, and upgrading their models.

Be wild about Helicopter

by RaMPaG

He love Helicopter even time sleep

Rc Helicopter Flights: How Easy!

By: Adwina Jackson
So how difficult is the model helicopter to control in fight? Well, it has been described as similar to balancing a steel ball on a knife edge whale riding a bicycle! Added to this is the type of thrill that is involve every second of flying. The electric RC Helicopter is also much cheaper than the next type of RC Helicopter: the gas RC Helicopter. So here are the things you should know in order to get you end up getting the right radio-controlled helicopter for you. Evaluate your flying skill.

You can also start with a scale-model plastic helicopter. There are model RC Helicopter that are made from wood. If you want to fly with the airplanes (which they tend not to like when you hover all over the runway) you will need AMA insurance. Homebuilt RC Helicopters are motorized (although wit less power) and can lift you off from the ground with the same experience you can get from a conventional full-size helicopter.

What kind of engines do RC Helicopters run on? Special remote control RC Helicopter engines. They come in 2-stroke and 4-stroke glow burning engines as well as 2 stroke gasoline models. If you descend to quickly you will enter your own down wash and the RC Helicopter will pull itself into the ground and need considerable collective to compensate. This is a bad condition. Full RC Helicopter guide at http://www.rchelicopterguide.info/heli/index.html. The HELICOPTER STATS give you a brief guide to price. If the RC Helicopter has NOT got RTF beside it you will have extra costs to get it flight ready and will have to do some building.

Then there are the bad RC Helicopter crashes where you look for the parts that aren't broken. Thanks to James for providing this sample of what happens when you turn a rotary-wing into a fixed-wing while in flight. Do not over-react and send it launching into the sky. All problems were eventually overcome and the fully controllable R/C model helicopter had arrived.
Just take it easy and if it gets "on top of you" do not touch anything but a little forward cyclic for 1 or 2 seconds. Before we start it is traditional for other pilots to share their experiences so get there and ask ask ask and ask.

Article Source: http://www.articlerich.com

Remote Control Astronaut Super Miniature RC Spaceman

Features:

• Super Miniature Spaceman and infrared radio controlled.
• The smallest and lightest with auto stable technology.
• Excellent design for indoor flight.
• Pre-position servo mounts for easy setup.
• Spaceman will surprise you!

Product Description:
Requires 6 "AA" batteries -For children ages 8+ -small and light weight -Can be flown indoors and outdoors -rechargeable through transmitter provided.

85% buy the item featured on this page:

Remote Control Astronaut Super Miniature RC Spaceman

Xtreme-Copter Infrared Control Toy Helicopter - Band A

Toy Safety...

Manufacturer's minimum age: 8 years

Product Features...

• Ready to fly mini toy helicopter,ready to fly
• 10 minutes flying time per charge
• Built in re-chargeable lithium battery
• Small blue LED flashing light for night time flying
• Made from Tough crash resistant plastics
• 3 models available with different bandwidths to allow multiple units to be flown at once
• Recharging via the included transmitter
• Transmitter with alignment trim,charging and power indicator & a left/right levers

Customer Reviews...

Xtreme-Copter Infrared Control Toy Helicopter

By	I. McElroy (Hitchin, UK)

Durability: Fun: Educational:

OK, so I'm 37. But this has to be the best toy I have been given in the last ten years!! In recent years, my two young sons have had great toys given to them - Scalextric, Hornby, RC Cars and many others that they have as theirs - and many are great, but they are not mine - and none are as good as this!

My eldest (7) was given a similar 'Copter for Christmas, and has even beaten me to landing back on to on the "launch pad" (a biscuit tin - the tiny helicopter does not particularly like being launched from our carpet) that we have in the living room. However his 'Copter is to be returned as it is faulty, and I think I will get another of these on a different channel so we can fly at the same time.

Honestly - if you like the idea of remote control.... this is a really fun challenging gift that is great value for money.

My friend who gave the helicopter to me suggested I load a video - I cannot see how, and when I find out, I might try!

Silverlit Radio Control Picoo Z Helicopter

The PicooZ super miniature helicopter is the smallest remote control helicopter ever built with no complicated instructions to put together, just take it straight out of the box and it’s ready to fly! The mini flying machine weighs approximately 10g, is just six inches long and can be flown inside and outdoors (in calm conditions) with excellent mid-flight stability. The controls may take a little practice, but after a few minutes you'll be in command!

The workings and battery are both concealed inside the helicopter body giving maximum protection. It is constructed from a mixture of lightweight but tough materials, and will withstand numerous bumps and crashes!

Simply charge the battery for 20-30 minutes and you’ll have at least 10 minutes flying time. An absolute must for any up-and-coming young pilots!!

More Detail...

Technical Details

Transmitter Requires 6 x AA Batteries - not included

The world's smallest and lightest mini RC helicopter

It comes ready to fly

It is made from tough expanded Polypropylene foam

An incorporated auto stability system making it easy to fly

A pre-installed two channel proportional wide beam infra red

Recharging takes place via the included transmitter

The transmitter has an Alignment Trim, a Charging and Power

Indicator, a Left/Right Lever and a Trimmer

A small blue LED strobe light that flashes in-flight for night flying

Suitable for indoor flying only

A charge of 30 minutes is equal to a 10 minute flight

Suitable for ages 8 years+

Requires 6 x AA Batteries for the transmitter (not included)

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Reviews...By... Barrie Durrent "Baz" (London UK)

Durability: Fun: Educational:

I bought a PicooZ for my son and very soon realised that I should have bought two, the other for me. I looks fragile however is very robust and flies well -despite having had the tail chewed by the cat. I eventually bought one for me which failed after a minute - the tail rotor motor stopped. After a few weeks delay I got a replacement from Amazon and it was well worth the wait. The PicooZ is simply great fun and it takes a little practice and many crashes to get the hang of it. Fully charged you will get 5 to 6 minutes flying time and now I need a bigger house as I have now explored every aspect of our living room. Buy one, you won't be disappointed.


Reviews...By Noel28 (London)

Durability: Fun: Educational:

Some quick advice to people that have given this excellent toy a poor review.

Take a small safety pin and stick it to the nose of the helicopter with some selotape.

This will improve performance and fly-ability dramatically. Why? The controls for this toy only move it up and down and turn it left and right. Unlike a real helicopter there is no lateral control of the rotor blades (it's a toy, remember;-), you can achieve forward momentum by tilting the helicopters nose down with the extra weight. (The small sticky tin foil weights that come with the toy are a big clue, but aren't really heavy enough).

If you don't believe me try launching the toy from your hand (tilted forward) on full throttle, it will fly across the room with improved manoeuvrability until it looses momentum (that's why you need to weight the nose).

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RC Mini Mosquito Helicopter with LEDs

This full function 3 channel digital radio control mosquito Mini Helicopter is our most stable and best performing model! Ready to run straight out of the box, it has green LEDs for eyes and has a reflective layer underneath its propeller suitable for night time flight. Charge the unit from the mains adaptor supplied in under 30 minutes for up to 10 minutes flying time.

Looking distinctly mosquito like with its two bright green LED 'eyes' (great for night flying), the Micro Mosquito has full helicopter manoeuvrability, and its digitally proportioned control allows for very precise flying. It has an astonishingly smooth motor system giving you a beautifully clean take off and landing, as well as full forward and reverse control. In the past a helicopter of this complexity would have been a considerable challenge to fly, but the Micro Mosquito has such a stable flight pattern that you can fly it straight from the box.