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2 stroke
Discussion / Posted by zae / 10-23-2014 @ 10:32 PM / 39 Views / 0 Comments / Reply
2 stroke - the most common type of glow plug engine for rc airplanes. The fuel/air mixture is drawn in, ignited and spat out with one single revolution of the piston inside the engine.
iPhone 6 and 6 Plus are selling like crazy
Discussion / Posted by zae / 10-22-2014 @ 04:19 AM / 100 Views / 0 Comments / Reply
Apple's latest quarter included only about a week of iPhone 6 and 6 Plus sales, but the devices already gave the company a boost. Apple sold 39.3 million iPhones in the most recent period, up 16 percent from the year-ago period. Analysts, on average, had expected Apple to sell 37.8 million iPhones, according to a poll by Fortune. The company's newest devices -- the 4.7-inch iPhone 6 and the 5.5-inch iPhone 6 Plus -- went on sale September 19, so Apple will get an even bigger boost from the products in the December quarter rc .
Part of the Sofar ethos
Discussion / Posted by zae / 10-21-2014 @ 12:17 AM / 129 Views / 0 Comments / Reply
Part of the Sofar ethos is attention. At the Karen O show, Christine Cook, Sofar’s New York director, explained the rules: no talking, texting or selfies are allowed during the music, though people are encouraged to promote the event on social media during breaks. Audiences are also asked to stay for the whole evening, rather than arriving just in time for the headliner (one reason that Sofar doesn’t list its lineup in advance).rc online shop
Learn about your car
Discussion / Posted by Wendy2014 / 10-19-2014 @ 09:52 PM / 149 Views / 0 Comments / Reply
Consider taking a class in basic car care or auto repair. You don’t need to become a grease monkey to keep your car forever, but if you know how your car works, you’ll have an easier time identifying trouble and you’re less likely to get ripped off by an unscrupulous mechanic. Women, especially, are at risk for being ripped off by mechanics. Knowledge is power!

http://www.rctophobby.com/
Fly foam EDF
Discussion / Posted by zae / 10-16-2014 @ 04:21 AM / 281 Views / 0 Comments / Reply
As previously mentioned, Ready To Fly foam EDF jets have really taken hold in recent times and the number of good quality RTF EDFs available has increased dramatically, to the point where it's as common to see such a jet on the flying field as it is a plane or rc helicopter - that wasn't the case a few years ago when rc jets were very specialised models.
One nice example of an entry level foam EDF is the original ParkZone Habu EDF which has since been replaced with the newer fibreglass version pictured:
1 Attachment(s) New 0.07s low profile servo XQ-S3008D
Discussion / Posted by Stephennan / 10-15-2014 @ 10:32 PM / 260 Views / 0 Comments / Reply
Hey,Bros

Here is my small first round test results on the new low profile servo from XQ POWER.
The speed is awesome,smooth and pretty fast. no noise at all like other brushless ones.

Weight:48.5g (1.71oz)
Speed:0.09sec/60° @4.8V
0.07sec/60° @6.0V
Torque: (97 oz-in)7kg @4.8V
(118 oz-in)8.5kg @6.0V
Voltage:4.8V-6.0V

A nice option for 1/10 touring/drift cars indeed. I'll update you nore later.

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1:12 Electric Powered Remote Control Racing Car
Discussion / Posted by zae / 10-12-2014 @ 10:08 PM / 381 Views / 0 Comments / Reply
100% Brand New
Update 1:12 remote control rc toy car
Battery operated remote control toy car
Classic remote control car
a Piper Cub
Discussion / Posted by zae / 10-10-2014 @ 09:54 PM / 390 Views / 0 Comments / Reply
While a Piper Cub makes an excellent scale trainer, a warbird like a P-51 Mustang or Corsair generally doesn't and is better suited to a 2nd or 3rd model after you've gained some experience. The faster flying speeds and lower stability of rc warbirds make them more exciting in the air, but more of a handful for a beginner to the hobby.
Having said that though, one exception to that rule is Hanger 9's PTS Advance Trainer Mustang.
The primary RC airplane controls
Discussion / Posted by zae / 10-08-2014 @ 03:43 AM / 459 Views / 0 Comments / Reply
Getting a firm understanding of rc airplane controls - what they are and how they work - will help you get much more out of your new hobby and you'll become a better rc pilot for it.

The number of controls necessary or required differs between planes; the simplest rc airplanes will have just one single control while the more complex planes may have five, six or more. Your 'average' rc plane will have three or four controls, this is by far the most common number.
SpeedCrest 2nd run and added video of 8x4 build
Discussion / Posted by vsci79 / 09-04-2014 @ 10:25 PM / 1,235 Views / 0 Comments / Reply
Axial SpeedCrest project runs for a second time and needs to be repaired for the second time lol

SpeedCrest 2nd running (1 min 33 sec)


8x4 progress
8x4 custom in progress / RC truck project build (2 min 52 sec)
10 Attachment(s) More photos here of XQ-S4320D
Discussion / Posted by Stephennan / 08-08-2014 @ 04:09 AM / 3,755 Views / 0 Comments / Reply
Hi Guys,
More photos for you here on the strong metal case digital servo XQ-S4320D

Metal Case Digital Servo XQ-S4320D
Size :A:40.2mm B:20.1mm C:38.8mm
Weight:65g ±0.2(2.29oz);
Gear type:Titanium Gear;
Speed:0.12sec/60º at (6V)
0.14sec/60º at (4.8V)
Torque: (278 oz-in)20kg.cm.at(6V)
(239 oz-in)17.2kg.cm.at(4.8V)
Features:Waterproof,tamper-proof servo wire, All Aluminium CNC case, easy to eliminate heat
and corrosion;Adopt high quality coreless motor.

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SpeedCrest shakedown run...
Discussion / Posted by vsci79 / 07-27-2014 @ 06:34 PM / 4,125 Views / 0 Comments / Reply
AX10 SpeedCrest Runs (2 min 5 sec)
SpeedCrest getting closer to first run & Wired Clod runs & new project
Discussion / Posted by vsci79 / 07-13-2014 @ 08:56 PM / 4,605 Views / 0 Comments / Reply
2 Attachment(s) FEETECH FS3328M Micro 20g rc servo for 1/16 rc car for robot for rc airplane
New Product / Posted by Strongwind / 06-05-2014 @ 12:42 AM / 5,765 Views / 0 Comments / Reply
FEETECH FS3328M Micro 20g rc servo for 1/16 rc car for robot for rc airplane
Features
-High precision metal gear
-20g
Product Details
-Torque: 3kg.cm @ 6V; 2.8kg.cm @4.8V
-Speed: 0.14 (sec/60°) @6V; 0.16 sec/60°@ 4.8V
-Voltage: DC 4.8V to 6.0V
-Dimension: 29x 13.5 x 35 mm
-Weight: 20g (with wire and connector)
-Gear type: metal gear
-Application: 1/16 rc car for robot for rc airplane
Item Packing
-digital servo with servo horns X 1
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13 Attachment(s) Feetech T-SCServo 15kg Smart Control Servo Controlled By Arduino
New Product / Posted by Strongwind / 06-04-2014 @ 01:48 AM / 5,947 Views / 1 Comments / Reply
Feetech RC T-SCServo 15kg Smart Control Servo ( Controlled By Arduino)

FT-SCServo is meaning that Smart Control Servo was R&D and manufactured by FEETECH.

SCServo can work at servo mode and wheel mode.

The servo mode can be used to multi-joints robot since the robots can be controlled with specific angles. (The factory default setting is servo mode)
The wheel mode can be used to wheel-type operation robots since motors of the robots spin infinitely. (If wheel mode is available you need to program the value of position limitation the both are 0.)

If you want to reprogram servo, you need to download the PC software (SCServo_Debug), and to connect SCPC-2(Serial Control Programming Card) between servo and PC.

More about SCServo_Debug and SCPC-2 introduce please reference its instructions.

SCServo has a unique ID number to identify on BUS network.

The range from 0 to 253 (0xFD) can be used (The factory default setting is ID 1), and, especially, 254(0xFE) is used as the Broadcast ID. If the Broadcast ID is used to transmit Instruction Packet, we can command to all SCServo.

After programmed servo ID, to be best way is written it on the sticker of servo. If not, maybe you will forget the ID when you programmed many servos.
SCServo have kinds of baud rate available.

The baud rate from 38400 bps to 1M bps can be used.
They are 38400, 57600,76800,115200,128000,250000,500000,1000000. (The factory default setting is 1000000 bps)

SCServo can feedback the value of Position, Temperature, Load, Speed and Input Voltage.

Also we can reprogram the speed of rotation, the max output torque, operating voltage limit, and operating temperature limit etc.

SCServo is easy to be controlled by Arduino.

SCServo needs to have a TTLinker connect to between Arduino and SCServo.
If not please reference Connection to UART.

TTLinker is a signal conversion board. Arduino needs to convert its UART signals to the half duplex type and through TTLinker connect to SCServo. Also TTLinker have more interface used to kinds of sensor and compatible with Arduino.

Arduino library SCServo

We have SCServo library to be used when you are using Arduino to control SCServo. You can download it from website of feetechrc.com.

For example Arduino code as shown below.
#include <SCServo.h>
SCServo SERVO;
void setup()
{
Serial.begin(1000000);//init Serial baudrate
delay(500);
SERVO.EnableTorque(0xfe,1);
}
void loop()
{
u16 i;
for(i = 0;i < 1024; i++)
{
SERVO.WritePos(0xfe,i,100);//All Servo(broadcast) rotate to the position:i
delay(10);
}
for(i = 1024; i > 0; i–)
{
SERVO.WritePos(0xfe,i,100);//All Servo(broadcast) rotate to the position:i
delay(10);
}
}
This is show that using broadcast instruction to control all of SCServo on the BUS.
About instruction of WritePos, RegWritePos, ReadPos, RegWrite, Action, SyncWritePos and more introduce instruction please reference its instructions on website of feetechrc.com.

Half Duplex Asynchronous Communication

Half duplex UART is a serial communication protocol where both TxD and RxD can’t be used at the same time. This method is generally used when many devices need to be connected to a single bus. Since more than one device is connected to the same bus, all the other devices need to be in input mode while one device is transmitting.

The Main Controller that controllers of the SCServo actuators sets the communication direction to input mode, and only when it is transmitting an Instruction Packet, it changes the direction to output mode.

Connection to UART
To control the SCServo actuators, the main controller needs to convert its UART signals to the half duplex type. The recommended circuit diagram for this is shown below.
Hardware Specifications
SKU: FT-SCS15
Dimensions: 40.0X20.0X40.5mm
Weight: 56g(1.98oz)
Gear Type(Ratio): Metal(275:1)
Bus Interface: TTL Level Multi Drop
Position Sensor(Resolution): Potentiometer (215°/1024)
Operating Angle: 200°(Servo Mode)
Control System: Bus Packet Communication
Protocol Type Half duplex Asynchronous Serial Communication
ID: 254 ID (0~253)
Communication Speed: 38400bps ~ 1 Mbps
Feedback Position, Temperature, Load, Speed, Input Voltage
Motor Type: Carbon
Bearing Type: 2BB
Operating Voltage: 6V~8.4V
Stall Torque(Kg.cm): 15(6V)
16.5(7.4V)
17(8.4V)
Stall Current(A) : 1.5A(7.4)
Operating Speed(RPM): 55(6V) 65(7.4V) 73(8.4V)
Connector(Wire Length): 3P&5264 (15cm)
Stall torque is the maximum instantaneous and static torque
Stable motions are possible with robots designed for loads with 1/5 or less of the stall torque
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How To Choose A RC Car
Discussion / Posted by Beetwo / 05-29-2014 @ 03:43 AM / 5,858 Views / 0 Comments / Reply
Remote control car referred to as RC Car, RC is short for Radio control or Remote control. In Europe, Japan and Southeast Asian countries, the remote control model car race is a kind of sports competitions and a noble sport, even a high-tech hobby. This is a competition from age limit because enthusiasts who participate in this sport is aged from 8 to 80 years. This also suggests that the remote control cars is the same as remote control aircraft, whether adult or children can play. However, it has a certain degree of risk, because the remote control car is not a simple toy, its principle is the same as the real car. So, I still recommend that children would better to accompany by their parents.
Players who just touch remote control car will certainly be very crazy, there are too many types of remote control cars, then what kind of remote control cars is most appropriate. Let me tell you the classification of remote control car and have a simple understanding of remote control car.
According to different classification of motivation
1, Oil move RC car
Oil move remote control model car is powered by a fuel engine, it also can be divided into classified according to the type of fuel. Fuel powered engine has the advantage of powerful, it has high degree of onomatopoeia vehicle model simulation, and can give players a real feel. The advantages is large fuel. If there is leakage, the maintenance will be very troublesome. In addition, since the fuel is added to increase the engine power output compounds that are corrosive, so vehicles need to do careful corrosion protection, maintenance cost is not small.
2, Electric remote control car
Electric remote control car is primarily provided power by an electric motor. Due to powered by a battery, it has the higher the overall operating efficiency and excellent acceleration performance of vehicles. Because of Clean Energy, the vehicle maintenance is very convenient, just pay attention to the maintenance of transmission parts. But because the electric motor remote control car need high requirements of motor performance and battery performance, so the motor and battery consumption is very high in the beginning, coupled with the electronic speed control, remote equipment costs. If you want to run an electric model cars, you will be basically going to spend over 2000, which is one of reason to make electric remote control model car restrictions.
According to the remote control car driver type and shape classification
1, SUV
SUV can be seen as a flat road car variant, the chassis is also a flat shape. But diameter of tires is much larger, suspension travel has also increased, which is mainly to increase the performance of the vehicle through performance. At the same time to increase vehicle power, SUV also need to put forward higher requirements in vehicle steering or other aspects of the vehicle on-board electronic systems, such as the need for greater torque servo steering gear to provide powerful steering torque, etc.. The advantages of SUV is that to retains the high-speed performance and increase through performance. That is a relatively funny remote control car.
2, Monster Truck
Do not think that big wheels can be called monster truck. Monster truck is relatively flat road cars and SUV, it has its own unique characteristics. In addition to large wheels, truck biggest feature is hardly a vehicle chassis, to support vehicles parts transmission and axle systems are generally appeared in the form of frames and side plates, as if all the parts are " hanging" on the frame. The benefits is to improve the off-road performance. The bottom of the car can be made arch to meet the rugged road, so the car has high playability. According to the different speeds, it can be graded, ordinary monster and climb monster truck. The climb monster truck is mainly designed to climb the rugged road, a huge vehicle torque, but in order to meet the torque and stability, the speed will be very slow. vehicle work requirement is very high, the price does not poor.
3, Flat road car
Flat road vehicles are concerned for RVs and cars, because of its low chassis, chassis plate-like, vehicles through poor performance, but the straight line stability and acceleration are the most superior. Two -wheel-drive flat road car is mainly used for racing, flat road four-wheel drive sports car for racing, drift race, etc.
Now do you have a general understanding of the remote control model cars? So how to choose a suitable remote control model car? First of all, you have to understand remote control car, you can choose according to the above type, and then make your own choices based on the quality of remote control car, appearance, utility, brand and so on. But there are several points to note:
1, The best choice is to choose batteries, and also to choose a professional RC model batteries, such as the World leopard lithium batteries. Because the charging is too trivals easy to damage.
2, To choose a solid and durable, and simple to operate.
3, The vehicle must be selected a good bonding effect, it is very important to all parts bonded together, this is not easy to escape.
4, there must be additional instructions, product manufacturers and related certification. The important thing is that products are made of a lot of recycling waste materials which have many harmful ingredients, bad for your health.
For this kind of remote control toys, I also like. However, I know its danger, even experienced its dangers. That is because the RC car is not a simple toy, its principle is the same as the real car. that . So I suggest that you must carefully select the appropriate remote control toys. Meanwhile, I hope you can free to enjoy the driving pleasure, but more importantly, I hope that it can relieve your stress and give your life to add a touch of color.
The Maintenance Knowledge of Cars
Discussion / Posted by lilirums / 04-25-2014 @ 04:48 AM / 6,668 Views / 0 Comments / Reply
1. Use the lubricants in appropriate level of quality

For gasoline engines, we should choose gasoline engine oil of SD--SF level according to the additional devices and using conditions of the intake and exhaust system. While for diesel engines we should choose diesel oil in CB--CD level according to the mechanical load. Criteria for selecting should be fixed by the principle that it should not be less than the manufacturer requirements prevail.

2. Change The Oil Snd Filter Regularly

Lubricating oil in any quality levels will be metamorphic during the process that it be used. Performance deterioration will happen after a certain mileag which will bring all sorts of problems to the engine. So we should change the oil regularly combined with using conditions and keep the amount moderate(generally to the upper limit of the oil dipstick) to avoid the occurrence of failures. The oil will leave the solid particles and the viscous down while through the pores of the filter. If the filter be clogged and the oil can not pass the filter the filter will be bursted or the safety valve will be opened so that the oil can passy through the bypass valve. Suth, the dirt will also be taken to the lubricating parts and cause aear and tear for the engine which will also increase the pollution inside.

3. Keep Good Ventilation of The Crankcase

Now days, most of the gasoline engines are equipped with PCV valve(forced ventilation devices of crankcase) to promote the engine’s ventilation. But the pollutants in the blow-by gas will be deposited around the PCV valve and cause clogging. If the PCV valve is clogged the pollutant gas will flow into the air filter causing pollution and reduced ability of the filter core. Too dirty mixed gas will even cause crankcase’s pollution, increased fuel consumption, more serious abrasion of the engine and even damage the engine. Therefore, the PCV should be maintened regularly to remove the pollutants around the PCV valve.

4. Clean The Crankcase Regularly

Unburnt gas with high pressure, the acid, water, oxides of sulfur and nitrogen inside the combustion chamber will get into the crankcase through the interval between the Piston Ring and the Cylinder Wall and mixed into oil sludge with the metal powder generated by parts abrasion during operation of the engine. Oil sludge will suspende on the oil if the amount is small and will separate out if the amount is great and even clogge the filters and oil hole causing wear and tear of the engine. In addition, the engine oil will be oxidized in the high-temperature and generate paint film and carbon deposition adhered to the piston which will increase fuel consumption and reduce power and even make the Piston Ring jammed. So, clean the crankcase regularly by BGl05 (efficient cleaning agent of lubrication system) to keep cleaning of inside the engine.

5. Clean The Fuel System Regularly

The fuel will inevitably form gum and carbon deposition depositing down in oil road, carburetor, fuel injectors and combustion chamber during the burning passage to combustor which will disturb fuel’s flowing and the normal air-fuel ratio and make poor fuel atomization. All these will bring performance problems such as engine breath shaking, knocking, idle instability, poor acceleration. Clean the fuel system using BG208(Powerful and efficient cleaner of fuel system) and control generation of carbon deposition by using BG202 regularly can make theengine always maintain the best condition.

6. Regular Maintenance of The Tank

Rusting and fouling are the most common problems for tanks of the engine. The rust and furring can restrict the flow of coolant in the cooling system, reduce cooling effect resulting in engine overheating and even cause damage to the engine. Coolant will form acidic substances after beeing oxidized causing corrosion of metal parts tank and damage of the tank. It can not only ensure the normal operation of the engine but also extend the overall life of the tank and the engine that cleaning water tanks regularly using BG540 (Powerful and efficient cleaning for tank) removing the rust and furring.

7. Form The Good Habit of Regular Maintenance

“Thirty percents of repairing, Seventy percents of maintenance”. Even though more advanced also need good maintenance, so that they can performant brilliantly. We should do regular maintenance in Authorized Service Station specified by automobile manufacturers according to the required mileage programs strictly. Eliminate various hidden dangers timely and ensure a great working state for the rc car. Simultaneously we should choose the fuel and lubricating regulated by original factory oil.

8. Develop Proper Driving Habits

Many people do not willing to fil fuel during the driving processis for two mian reasons: Cityhighwayis complex and changeable, so that we won’t have a high spped; Thing by mistake that the less of the engine load the more economy of the fuel. But this will only make the engine operate under the state of idling and small load.
In fact, the lower the engine load, the higher the fuel consumption. In addition, the combustion is insufficient at this time and it is very aasy to produce coke and the engine power can not be fully utilized. With the development of engine technology, gasoline engines with high speed are being used popularly by cars. Torque, power, fuel consumption output by the engine will be in a better state when the engine’s rotational speed is 2500r/min.
Quick update...
Look / Posted by vsci79 / 04-21-2014 @ 11:05 PM / 6,780 Views / 3 Comments / Reply
Lately much of my time has been required away from my R/C projects. Yet I still have a lil something new to share
Projects updates - vsci79 (3 min 22 sec)


Also sorry to see that androtaz won't be posting here any longer. Hopefully things can pick up here and I too need to get back on here more.
2 Attachment(s) HV Metal Case Digtal alloy case standard servo Fi8625M for 1/8
New Product / Posted by Strongwind / 04-02-2014 @ 01:35 AM / 7,498 Views / 0 Comments / Reply
High voltage rc car steering servo 1/8

Features
-Standard digital Titanium gears servo,2BB
-Coreless motor,Aluminium middle hull
-Waterproof
-Operating Voltage: 2-cell Li-Po power
-Dead band width: 2usc
-Interface: (like JR)
-Wire length: 30cm

Product Details

Fi8625M:

Size: 40.0*20.0*37.5 mm

Weight: 73g(2.58oz)

Speed: 0.17sec/60°(6V)

0.15sec/60°(7.4V)

Torque: 18.9kg.cm/262.9 oz.in(6V)

25kg.cm/296.3 oz.in( 7.4V )

Application:1/10 1/8 Car, Boat, Robot
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4 Attachment(s) Brushless XQ-S8320D for my 1/8 off road
Discussion / Posted by Stephennan / 03-11-2014 @ 10:21 PM / 8,187 Views / 2 Comments / Reply
I was totally attracted by the impressive silver color and appearance of XQ-S8320D,a new brushless servo from XQ Power company. Specs are good too: 23kg.cm/0.092s @6.0V. I order 2 pcs for my 1/8 off road nitro car.

Racing feedback:extremely smooth movement,fast,no noise at all,the metal case seems able to handle all the massive outside pressure in operation.

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