Sabtu, 30 April 2011
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Introduction to DC Brushless Motors
Summary of the DC Brushless motor
This product adopts the new generation frame design of no slots which boasts the advantages of good timing ability, high reliability, no maintenance, no exchanging direction sparkle and so on. Furthermore, it dispels the domino effects of alveol and it has little vibration of torque, clam operation, low noise, small armature inductance and orientation interfere moment etc. Here are the advantages:1.The shell of the motor adopts high technology aviation aluminum material; light weight, good ability of giving out heat at the same mechanism intensity.
2.Adopting frame design, no alveol effects, high efficiency, little volume.
3.The permanent magnet adopts high capability neodymium iron boron, so it minishes the volume and weight greatly at the same output power.
4.The stator adopts import silicon steel, good pulling on magnetism, high efficiency, so it lasts the aviation time.
5.It adopts import high speed bearing at forward and backward respectively; low noise; long life time.
NOTE: use only when the special controller (electronic throttle) suits to the Brushless motor.
Introduction of installing the DC motor electric for use in model
The circuit connecting of Brushless motor: three lines of (u.. v. w ) can connect with the controller freely, not suit to the color necessary. The motor will reverse by changing two of the three lines (u. v. w ).Walkera technology CO., Ltd Series of Brushless motor products for use in model
| Product name | Product code No | Working voltage | Speed constant (KV) | Hollow holding current(10A) | Impend-dance | Dimension | Diameter of axes | Length of axes | Installation bore depth | Weight |
| V | RPM/V | A | m | mm | mm | mm | mm | g | ||
| 180L | WK-WS-20-001 | 6-18 | 3200 | < = 1 | 87 | ?20X40 | ?2.0 | 13.5 | 3.5 | 65 |
| 380L | WK-WS-28-003 | 6-18 | 3000 | < = 1.5 | 75 | ?28X37.5 | ?3.17 | 13.5 | 3.5 | 96 |
| 380L | WK-WS-28-001 | 6-18 | 3100 | < = 2 | 30 | ?28X47.5 | ?2.3 | 13.5 | 3.5 | 130 |
| WK-WS-28-002 | 6-18 | 3100 | < = 2 | 30 | ?28X47.5 | ?3.17 | 13.5 | 3.5 | 130 | |
| 380L | WK-WS-28-004 | 6-18 | 2500 | < = 2 | 31 | ?28X52.5 | ?3.17 | 13.5 | 3.5 | 142 |
| 540L | WK-WS-36-001 | 6-18 | 1400 | < = 2 | 35 | ?36X58.5 | ?5.0 | 22 | 6 | 250 |
Please note the installation bore depth when you install the motor and the fixed screw mt not be longer than the depth of the bore, or it will damage the loop of the motor and make it short circuit and damage other components.
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How to Fly Airplanes
Learn to Fly Airplanes
You can learn how to fly fast if you choose the right airplane and follow a few suggestions!
You can learn how to fly RC airplane instantly, avoid unnecessary damages and enjoy flying once you follow rules below. You don?t need an instructor if you choose the right airplane to start with. 1. Make clear how an airplane flies. Here?s how airplanes fly: When the wing moves forward the air lifts it. Too slow, no lift and it falls out of the air -- it stalls. So, it needs flying SPEED either from a motor and propeller, or by descending and gliding. The wing is lifting all the time it's moving forward -- whether it?s upside down, in a turn, inverted, or doing aerobatics -- there is always lift from the wing even though the lift might not be straight UP as it is in level fly. The airplane makes right or left turns by tilting in the direction of the turn so that some of the wing?s lift is angled partly to the left or right. To turn an airplane you tilt the wings with the ailerons or with the rudder in the direction you want to turn. To make the airplane go UP you give an UP command to the elevator. The elevator surface angles UP and the air that?s hitting it blows the tail DOWN and the nose UP. When the airplane goes UP it slows down. If it goes too slow the lift stops and the airplane falls -- stalls.
2. Choose an airplane that can fly all by itself without your controlling. Don?t pick a low-wing, aerobatic airplane. The best choices are slowflyers, parkflyers, or gliders that use electric motors for power. Gliders can glide straight ahead all by themselves (if they do not have a warped wing -- see below) without you doing any controlling from the radio transmitter. If you want to fly without an instructor these glider type airplanes will fly themselves while you are trying to figure out how to make them go some other direction. You need this stability while you learn how to fly. The second best choice is a non-glider (powered airplane) that has the wing on the top of the fuselage and which is advertised to be a good training airplane. Click here for true "beginner" airplanes.
3. Confirm that these following things are correct before each fly:
A. The balance point MT be where the airplane?s designer intended. Don?t be afraid to add lead weights to either the nose or the tail to make the airplane balance where it is supposed.
B. The wing mt not be warped,. Fasten the wing onto the airplane. Set the airplane on a table and walk off to the rear of it. Look back at the airplane from an eye position where you can see Just a bit of the BOTTOM of the entire wing. If you see MORE bottom wing surface on, let?s say, the left wing, then your airplane will tend to turn left even when you have the aileron or rudder control in neutral. Remove that warp before you try to fly the airplane.
C.The wing should have something called "washout""Washout", this is an intentional and desirable warp of the wing near each wing tip. ually this warp is done to the outer 20% of the wing toward each wing tip. From the rear of the airplane you should see a little more of the BOTTOM of the wing near both wing tips. Why is this "washout" good? It helps the outer parts of the wing continue flying straight ahead during the beginning of a stall. This means that your airplane will stall straight ahead instead of rolling over on its back or side when it stalls and that rolling over might be impossible to recover from.
4. Find a BIG flying field for your first flys. Don't try to fly in your street even if the airplane is capable of flying in such a restricted area. You will need lots of open and unobstructed space for your first flys.
5. Properly take off
A.If you hand launch your airplane throw it hard and throw it straight ahead, not up.
B. If you take off from a ground roll let the airplane build up so much speed on the ground before you signal "UP" elevator, that you KNOW that the airplane has enough speed to fly. When it leaves the ground try to climb at a very small angle, not abruptly upwards which could CAUSE loss of airspeed and a stall.
C. Give very little UP elevator as your airplane starts to take off. Most beginning modelers try to climb too steeply which makes their airplane slow down, stall, then crash.
6. How to control turn during fly
A. You turn an airplane differently than a car or a boat: when you tilt the airplane?s wing in the direction that you want it to turn, the airplane will continue to turn as long as the wing is tilted in that direction. But you will NOT be holding the control stick in the direction of the turn (as you would on the steering wheel of a car) -- you will have the control stick near NEUTRAL during the turn. To STOP the airplane from turning you move the control stick in the opposite direction from the turn so that the wings level out. "Beginner's" airplanes have a built-in tendency to automatically come back to level fly if you let go of the control stick.
B. Don?t try any turns until the airplane is very high. Mostly climb straight ahead with only gentle turns.
C. Practice gentle turns high in the air before you try to land. Practice "landings" while high in the air so you get a good idea of the airplane's stalling (fall-out-of-the-sky) speed. If the airplane stalls Just give a bit of DOWN elevator and the airplane will be flying again.
D. avoid turns when the airplane is low.
7. Don?t try to land in a specific spot, Just let your airplane glide into the ground straight ahead. The bigger the field for your first fly, the greater will be your chances for success.Hope you can enjoy yourself with your rc plane!
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Flying Instructions
YOU can fly a Radio Controlled model airplane NOW
if you will follow these instructions.
if you will follow these instructions.
YOU will learn how to fly INSTANTLY if you choose the right airplane and follow a few suggestions!
Someone might have told you that you need an instructor to teach you how to fly RC airplanes. You don't! The guy who gave you that advice probably learned to fly all by himself. You DON'T need an instructor if you choose the right airplane to start with. There are plenty of true "beginner" airplanes. They are ually electric powered gliders, slowflyers, and parkflyers. And these beginner airplanes are such good flyers that most of them are bought by long-time RC experts, not beginners!
1. Understand how an airplane flies. Here's how airplanes fly: When the wing moves forward the air lifts it. Too slow, no lift and it falls out of the air -- it stalls. So, it needs flying SPEED either from a motor and propeller, or by descending and gliding. The wing is lifting all the time it's moving forward -- whether it's upside down, in a turn, inverted, or doing aerobatics -- there is always lift from the wing even though the lift might not be straight UP as it is in level flight. The airplane makes right or left turns by tilting in the direction of the turn so that some of the wing's lift is angled partly to the left or right. To turn an airplane you tilt the wings with the ailerons or with the rudder in the direction you want to turn. To make the airplane go UP you give an UP command to the elevator. The elevator surface angles UP and the air that's hitting it blows the tail DOWN and the nose UP. When the airplane goes UP it slows down. If it goes too slow the lift stops and the airplane falls -- stalls. You turn an airplane differently than a car or a boat: when you tilt the airplane's wing in the direction that you want it to turn, the airplane will continue to turn as long as the wing is tilted in that direction. But you will NOT be holding the control stick in the direction of the turn (as you would on the steering wheel of a car) -- you will have the control stick near NEUTRAL during the turn. To STOP the airplane from turning you move the control stick in the opposite direction from the turn so that the wings level out. "Beginner's" airplanes have a built-in tendency to automatically come back to level flight if you let go of the control stick.
2. Pick out an airplane that can fly all by itself without you controlling it. Don't pick a low-wing, aerobatic airplane. The best choices are slowflyers, parkflyers, or gliders that use electric motors for power. Gliders can glide straight ahead all by themselves (if they do not have a warped wing -- see below) without you doing any controlling from the radio transmitter. If you want to fly without an instructor these glider type airplanes will fly themselves while you are trying to figure out how to make them go some other direction. You need this stability while you learn how to fly. The second best choice is a non-glider (powered airplane) that has the wing on the top of the fuselage and which is advertised to be a good training airplane.
3. Make SURE that these following things are correct BEFORE each flight:
A. The balance point MT be where the airplane's designer intended. Don't be afraid to add lead weights to either the nose or the tail to MAKE the airplane balance where it is supposed to. If you think that the required weight to achieve the correct balance point (sometimes called "CG" -- Center of Gravity) is too much, you're wrong -- use WHATEVER WEIGHTS ARE NECESSARY TO MAKE THE AIRPLANE BALANCE WHERE IT'S SUPPOSED TO!
B. The wing mt not be warped, and it helps your flying if the wing should have something called "washout". Fasten the wing onto the airplane. Set the airplane on a table and walk off to the rear of it. Look back at the airplane from an eye position where you can see Just a bit of the BOTTOM of the entire wing. If you see MORE bottom wing surface on, let's say, the left wing, then your airplane will tend to turn left even when you have the aileron or rudder control in neutral. Remove that warp before you try to fly the airplane.
"Washout": this is an intentional and desirable warp of the wing near each wing tip. ually this warp is done to the outer 20% of the wing toward each wing tip. From the rear of the airplane you should see a little more of the BOTTOM of the wing near both wing tips. Why is this "washout" good? It helps the outer parts of the wing continue flying straight ahead during the beginning of a stall. This means that your airplane will stall straight ahead instead of rolling over on its back or side when it stalls and that rolling over might be impossible to recover from.
4. Choose a BIG flying field for your first flights. Don't try to fly in your street even if the airplane is capable of flying in such a restricted area. You will need lots of open and unobstructed space for your first flights.
5. If you hand launch your airplane throw it hard and throw it straight ahead, not up.
6. If you take off from a ground roll let the airplane build up so much speed on the ground before you signal "UP" elevator, that you KNOW that the airplane has enough speed to fly. When it leaves the ground try to climb at a very small angle, not abruptly upwards which could CAUSE loss of airspeed and a stall.
7. Give very little UP elevator as your airplane starts to take off. Most beginning modelers try to climb too steeply which makes their airplane slow down, stall, then crash.
8. Don't try any turns until the airplane is very high. Mostly climb straight ahead with only gentle turns.
9. Practice gentle turns high in the air before you try to land. Practice "landings" while high in the air so you get a good idea of the airplane's stalling (fall-out-of-the-sky) speed. If the airplane stalls Just give a bit of DOWN elevator and the airplane will be flying again.
10. When the airplane flies TOWARD you, turn your body a bit so you can imagine "right" and "left" from the airplane's point of view. This will prevent you getting confed about which way to turn your airplane.
11. Don't try to land in a specific spot, avoid turns when the airplane is low. Just let your airplane glide into the ground straight ahead. The bigger the field for your first flight, the greater will be your chances for success.
batam RC aeromodelling club foto keren pesawat model
Introduction to Brushless Motor Activator
Main Parameters:
| Type | WK-WST-60A | WK-WST-40A | WK-WST-30A | WK-WST-20A |
| Staining voltage | 6-25V | 6-17V | 6-17V | 6-17V |
| BEC current | 3.0A | 3.0A | 3.0A | 3.0A |
| continuous output current | 60A | 40A | 30A | 20A |
| Instant max current | 80A | 60A | 50A | 40A |
| Inside impedance | 0.0022 O | 0.0033 O | 0.0044 O | 0.0066 O |
| Reversion | Yes | Yes | Yes | Yes |
| Low voltage, cut electricity protection | Yes | Yes | Yes | Yes |
| Weight | 35g (approximately) | 33g (approximately) | 32.4g (approximately) | 31.8g (approximately) |
When the controller signal lose, it will stop automatically. But it will come back to the former mode at once when it receives the signals. It can be used for electric planes, helicopters. And it can be positive and reverse by adjting the motor lines.
Introduction in ing:
1.please insert the signal lines in correct direction to the controlling output port of the controller.
2.please connect well the three output ports of the activator suitably to the three input ports of the Brushless motor.
3.please add the relevant voltage to the electricity input port of the activator(please be sure the positive and negative poles are right),and you can hear a sound beep??.When you ph the throttle rod, the motor will turn at once. If the motor turning the reversing direction, you can exchange any two of the three lines and it will be OK.
WARNING: If the ing current of the BEC over the rating, we advise you e extra BEC. Or it will damage the activator.
Do as the sketch map:
Trouble diaganosing:
| Phenomena | Reasons | Resolution |
| The motor don't turn after connecting electricity | 1.There is something wrong with the plug of the electricity 2.The battery's voltage is too low, circuit protection 3.Transmitter rod isn't in the lowest position, circuit protection | 1.Reinserting the plug of the electricity or changing a new one 2.Charge the battery fully. 3.Ph the transmitter rod to the lowest position. |
| Motor running reversed | 1.Connection the three output ports not correctly to the suitable three input ports of the Brushless motor. | 1.Exchanging the two of the three lines and it will be OK. |
| Stopping in midway | 1.The battery voltage is too low, circuit protection. 2.There is something wrong with the pin, cutting electricity. 3.The output ports and motor not connect well. 4.Receiving signals break off. | 1.Charge the battery fully. 2.Reinsert the plug of the electricity or change a new one. 3.Check the transmitting and receiving; repair the signals to communicate normally. |
| Hear a "beep" sound but the motor not running | 1.Transmitter rod is not in the lowest position, circuit protection. 2.The output ports not connecting well with the motor. | 1.Ph the transmitter rod to the lowest position. 2.Reinsert the plug of the electricity or change a new one. |
batam RC aeromodelling club foto keren pesawat model
Hobby Pre-Flight Check Procedure
Thank you for your purchase of your RC Aircraft or Helicopter from Banana Hobby! This checklist is to insure proper start up and powering off of your new RC product! Please follow these steps and it will yield in a long lasting and fun RC experience in your purchase! Happy Flying always, and thank you for your continued support! ~ Pete *** Keep in mind the majority of the RC Jets, Helicopters, and Airplanes DO NOT have an ON or OFF switch. The On and Off on the aircraft is plugging in and unplugging the battery or Lipo.**
POWERING ON For Flight:
- Step 1: Always make sure the batteries in your transmitter are of highest power and valued alkaline such as Duracell, Energizer. Make sure your power source for your aircraft or helicopter is fully charged per instructions supplied with your product.
- Step 2: DO NOT APPLY POWER to the Aircraft or Helicopter at this time. Make sure the transmitter has the throttle stick (left stick) set at the lowest DOWN position. Make sure the vertical “trim” tab located to the right of the throttle stick is set to the lowest DOWN position.
- Step 3: Always turn on the Transmitter FIRST. (if you are powering up a 3D helicopter, always make sure the 3D switch on the transmitter is set to NORMAL and not 3D). Turn on the Transmitter.
- Step 4: Plug the battery into the product. If your product is a helicopter, make sure you plug it in on a flat surface with the helicopter sitting on the landing gears or skids and after connecting the power, do not move the helicopter or the sticks on the transmitter for 5 seconds. Keep the helicopter away from your face or any objects. For aircrafts, airplanes, EDF Jets, connect the power by plugging the battery into the electronic speed controller.
- Step 5: AIRCRAFT’S, EDF’s, Propeller Airplanes Only: BEFORE FLIGHT YOU MUST check all the control Surfaces for proper directional movement! Left stick is your Throttle (vertical movement) and Rudder (left and right movement) Right Stick is your Aileron Movement (left and right movement when the aircraft is 4 channels or more) and Elevator (vertical up and down movement)
- *When standing behind the aircraft, giving left Rudder, the trailing edge of the rudder will move to the LEFT. Right it will move right. When giving UP ELEVATOR (Pulling DOWN on the Elevator Stick), the trailing edge of the Elevator Surface will move UP. Down Elevator (Pushing the Elevator Stick Forward) the trailing edge of the Elevator Surface will point DOWN. Aileron control Surfaces: When banking to the RIGHT, the RIGHT wing surface will point UP while the Left Wing Surface will point DOWN. When banking left, the LEFT Surface will point UP and Right Surface will point DOWN. IF ANY of the Control Surfaces are moving in the opposite directions as we have stated here, on the Transmitter, you will see a ROW of Reversing switches Numbered 1 thru 4 or possibly 1 through 7. Simply move the switch in the opposite direction as is in on the channel that is reversed. Here are the CHANNEL Assignments:
- CHANNEL 1: Aileron
- CHANNEL 2: Elevator
- CHANNEL 3: Throttle
- CHANNEL 4: Rudder
- CHANNEL 5: Retract Gears (When applicable)
- CHANNEL 6: Bomb Doors or Vectoring (When applicable)
- THROTTLE: When moving the stick FORWARD, you should have thrust. If you have a propeller airplane, the propeller will ALWAYS SPIN counter clockwise. If you have an EDF, check that there is air coming from the BACK nozzle of the EDF. If for some reason your Thrust is REVERSED, and your aircraft is a BRUSHLESS Motor system, all you have to do is switch any 2 or the 3 wires from the motor to the ESC and the direction will be changed (Wire Color does not have any importance). If your system is Brushed Motor, switch the RED and BLACK wires from the motor to the ESC. This will correct the direction of the thrust. If your Aircraft continually BEEPS, please disconnect the battery and reverse the Throttle Channel Reversing Switch. Plug in the battery and this should resolve the issue*
- *DO NOT EVER “Bench Test” your aircraft or helicopter by running the aircraft at more than 30% Throttle power on the ground for a length of time more than 5 SECONDS. DO not RUN at FULL THROTTLE on the Ground for more than 3 Seconds. There is no air cooling over the power system and can cause a thermal ESC shut down or failure!*
- When you have completed those steps we can move on to the next step.
- Step 6: For Both Helicopters and Aircrafts 4 Channels and above (excluding Coaxial Helicopters) YOU MUST NOW RANGE CHECK your Aircraft. Make sure you are at a field with no crowds or structures. Have someone hold the product once the power UP process has been completed. Now start moving the control surfaces up, down, left right, etc and walk at least 150 to 200 feet away while communicating with the person holding the aircraft. See that there are no connection breaks or if you may Lose radio transmission. If you experience any loss in transmission signal from your transmitter to the aircraft, DO NOT ATTEMPT TO FLY. Please contact us for support.
- Step 7: Once the aircraft has passed the range test, you are now ready to FLY! Airplanes and Jets, always remember to check wind direction. You ALWAYS want to take off and land POINTING INTO the wind. NOT going with the wind as we call it “Downwind”.
- Step 8: Ready for launch! Remember if you are flying an aircraft which is powered by a Lipo (Lithium Polymer) battery, try to time your flights to avoid over draining the Lipo.
- Step 9: Helicopters (3 channels and above): After power has been applied, check that you have movement in the linkages. Step away from the helicopter and only hover a few inches off the ground. Do not push the throttle stick all the way forward as your helicopter will take off quickly and be damaged.
- Step 10: After a flight, ALWAYS DISCONNECT the Battery to the Aircraft FIRST.
- Step 11: Then POWER OFF your Transmitter!
batam RC aeromodelling club foto keren pesawat model
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| New Super Beautiful & Easy to Build 4 CH BlitzRCWorks 2.4GHz Pitts Special Remote Control Electric RC Airplane RTF w/ Extreme Scale and Aerobatic Performance! | ||||||||||||||||
| Item No: 1858
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| The Pitts Special is the world's leading high performance aerobatic aircraft. The Pitts Special dominated world aerobatic competition in the 1960s and 1970s and, even today. This beautiful Pitts Special offers pilots a thrilling scale aerobatic experience unlike any other. All four ailerons, large wing area and light wing loading of its biplane design offers very forgiving flight characteristics while keeping roll response crisp and precise. This Pitts Special offers quality and performance beyond that of any similar models. With state-of-art components such as 970Kv outrunner brushless motor, 18amp ESC, and high capacity 11.V 3cell 1800mAh Lithium-Polymer battery, this Pitts will do whatever you ask and will look good doing it. Assembly is a breeze, you can fly this incredible biplane with minimal hassle and maximum fun. Also, This Pitts Special operates on New 2.4GHz spectrum technology providing freedom from frequency restrictions and interference and longer battery life for the transmitter. The BEST of all, this Pitts requires no gluing and only takes about 15 minutes to assemble with a screw driver (included)! |
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In-The-Box Review of the Beautiful BlitzRCWorks Pitts Special Biplane
Awesome Flight Review of the BlitzRCWorks Pitts Special Biplane!!!
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