Remote Control Model Review Blog

We test and review most updated Remote Control Model , including Digital Servo, Brushless Motor, ESC, Lipolymer and so on.

Sunday, March 18, 2012

Hobbywing XERun-120A ESC and Tacon 4300kv

I just installed this setup running 87/24 with a flysky 2.4 remote (dont worry motor temp isnt close to nuking) but my issue is with the setup itself..

Two things when I hit forward, I have to hit it twice for it to go, like forward and reverse are switched since u have to hit neutral first to engage reverse except its backwards. I hit the throttle twice to make it go.

The other issue is braking. when I hit brake it stops the truck, not like a drag brake, but power is killed and I cant get back on throttle until I hit it twice again which is annoying if ur trying to brake into a corner.

So far ive adjusted to it by practicing all day but I rather have the brake function.. My esc setup is set for forward/brake/reverse, no drag brake, no intial brake and reverse 100%. It seemed some feature on my remote is backward but if I switch it to REV mode it doesnt help, I lose reverse and the position of the throttle is switched. So then im thinking maybe switch the wires on the motor and it doesnt help. If I do that now left is right, right is left and i still have no reverse. I then switch the mode in the remote to REV and still no change... im stuck.

http://www.hobbyhot.com/HOBBYWING/

Saturday, March 17, 2012


LEOPARD

LEOPARD Brushless Motor for Airplane
LEOPARD Brushless Motor for Airplane
16 products
 LEOPARD Brushless Motor for Helicopter
LEOPARD Brushless Motor for Helicopter
4 products
 LEOPARD Ducted Fan System
LEOPARD Ducted Fan System
6 products
 LEOPARD Sensored Brushless Motor
LEOPARD Sensored Brushless Motor
3 products
 LEOPARD 2 Poles Brushless Motor for Car and Boat
LEOPARD 2 Poles Brushless Motor for Car and Boat
20 products
 LEOPARD 4 Poles Brushless Motor for Car and Boat
LEOPARD 4 Poles Brushless Motor for Car and Boat
49 products
LEOPARD Brushless Motor Water-Cool Kit
LEOPARD Brushless Motor Water-Cool Kit
8 products


LEOPARD  POWER  MODEL has 15 years experience in manufacturing with precision hardware. Recently LEOPARD POWER MODEL has been developing and producing OBM Brushless Motors and Brushless Governor ESCs.  
 
LEOPARD POWER MODEL keeps a pace with the latest technologies and strives to push the boundaries in developing new products.
 
I've been playing around with my new Leopard 60A 3300KV brushless system from HobbyHot.com for a couple days now. Looks like I was the early adopter on this one, so I figured I'd write a little review. 



Setup of this system is essentially plug-and-play; the ESC automatically sets up neutral and endpoint settings when you turn it on. Listen for a series of videogame beeps, then a pause, then a different set of beeps, and it's good to go. You do have to be a little creative in finding a spot for the ESC, because the wires for the motor and battery aren't very long. It's also a good idea to wrap electrical tape around the motor connectors after you plug them in, so they don't come unplugged while you're running. (This happened to me twice during my initial test run.)

This is my first brushless system, and I had no idea what to expect in terms of power. I'm quite pleased. It's about on a par with a hot modified brushed motor, but the power curve is different; it runs more like a nitro engine, actually. Instead of running out of steam at higher speeds like a brushed motor does, it keeps pulling strong until the RPMs top out. I did notice a little stutter at low speeds (what I assume is the phenomenon known as "cogging") but only for a second or two; once it got rolling, the throttle response was very smooth and responsive. Right now I have the startup power in the "standard" setting, which starts it out nice and easy and then ramps up after a second or so. This is good for saving gears, I suppose, but the lag is a little annoying. I think I'll try switching it to "high," just to see if it's more responsive. I also need to bump up the reverse power, because right now, it barely moves in reverse.

This ESC uses the "double-click" setup for reverse, like the Tamiya ESCs: First push backwards is all brake until you let off, and then the second push is reverse. I really like this setup better than a delay or a 50:50 setup. You can also turn reverse off. The brakes are weaker than I had hoped, but they do stop the car in a reasonable distance. There are settings for drag brake too, but I haven't played with them yet.

Programming is easy: plug the ESC into the card, turn it on, select the setings you want (via red LEDs), push "Enter," and it beeps. Turn it off, plug it back into the receiver, and you're all set. It includes voltage cutoff settings for NiCd, NiMH, and 2 and 3 cell LiPo and LiFe packs. I'm running it with a cheapo 1500 mAh NiCd pack becasue that's all I have right now, and still getting 10-12 minutes on a pack. You can tell right away when the voltage cutoff kicks in, because the ESC applies full brake. If the car screeches to a halt when you hit the throttle, your battery is done.

The cooling fan on the ESC is a little noisy, but it is effective. The ESC stayed nice and cool during back-to-back runs (25 minutes run time total), and the motor was just warm, but not hot. The batteries, however, were too hot to hold comfortably; you can get away with cheap NiCds, but it puts quite a strain on them. I need to get a better battery pack or two, at least 3000 mAh NiMH. Also, don't try to run with an adapter from the ESC's Deans-style plug to a Tamiya plug; the Tamiya plugs can't handle the juice and you'll trigger the voltage cutoff early. Use a pack with a Deans plug on it.

Right now, I have the system installed in my Lunchbox. I tried a Stadium Thunder, but the old worn-out diff gears weren't up to the task and the splines stripped out. It's overkill for the Lunchbox, but at least I know the gearbox can handle the power. When I have some more money, I want to find a used RC10 or something that can really handle high speeds and try it in that.Leopard Brushless Motor
http://www.hobbyhot.com/LEOPARD/

Monday, March 12, 2012


Fly Sky FS-TH9X 9 Channel Transmitter

The Fly Sky FS-TH9X is an excellent radio for the price. If you are on a limited budget and looking to upgrade to 2.4 GHz then I highly recommend you take a look at it. At under $100 for a complete combo it doesn't really matter if you knock or drop it.
  • The FLYSKY 2.4 GHz price wars are really heating up at the moment now that many Chinese manufacturers have entered the market. For the past few years there have been various 2.4 GHz modules coming out of China, with some decent offering from Corona and Assan, now it seems like the Chinese want to make a name for themselves by offering full systems. The Fly Sky FS-TH9X is the first offering that I decided to check out.
  • I am a diehard Futaba Fasst fan but I am tired of having to sell a kidney or take out a second mortgage every time I have to buy a new receiver for my fleet. The Fly Sky offerings drew my attention with their sub $20 receivers. The Fly Sky FS-TH9X is offered under various brand names but it is basically the same transmitter.
  • The Fly Sky FS-TH9X is modular system, so specifications may vary depending on the module you select. The transmitter itself is loaded with features, some of which you will usually only find on some high end transmitters.
Specifications
  • Number of Channels: 8ch PPM/9ch PCM
  • Display: 128*64 LCD
  • Support Type: Heli/Acro/Glid
  • User Models: 8
  • Stick Modes: 4
  • Encoder Type: PPM/PCM
  • Sub Trim: Yes
  • Simulator Interface: Yes
  • Buzzer: Yes
  • Low Voltage Display: Yes
The menus are clearly and easy to navigate using the 128×64 pixel LCD display. The only issue I had was that the +/- buttons are back to front with the positive on the left.

Thursday, March 8, 2012

Syma S107G 3Ch coaxial micro heli with gyro Review

Syma S107G 3Ch coaxial micro heli with gyro Review



I initially purchased one as a gift from hobbyhot. I test flew it and then wrapped it up as a gift. All went well. I wanted an additional tough 3Ch coaxial for my kids to fly so I purchased another Syma S107G from hobbyhot (inexpensive or free shipping). The helicopter is a little heavier than the Phoenix 6010 that I previously purchased but just as tough. In comparison, the Syma is heavier and a bit slower in forward flight. The Syma however handles the air from the airconditioner vent better. The Syma also has a more proportional tail control. So forward flying and turning is easer & more precise on the Syma. There is no shortage of places to get spare parts from and I had ordered a set of spare blades and rear prop from hobbyhot on a later spare parts order I made for my other helicopters. The S107G is a very popular 3Ch indoor heli currently and you will find no shortage of fans of this heli out there. Neither my kids nor I have yet to perminanty damage the helicopter (see TIPS below). But don't consider them indestructable. But for the price, they are a great addition to ANY experianced flyer to have to take a quick flight indoors, even in a small room. My S107G was a Revision 5 circuit board.

Here are som TIPS on the S107G
  • Charge using the USB cable. Light will be ON when unplugged or fully charged. It may be dimmly lit when charging. Note that the USB plug you plug it into needs to supply sufficient power or it will not work. Some PC USB hubs are NOT powered and you may need to plug directly into PC. I do however you find a USB plug in power supply to charge this helicopter. Charging takes 20-30 minutes depending on discharge of LiPo.
  • DO NOT keep flying once you loose the power to stay in a hover. You will wear down the LiPo faster this way. You may also elect to time your flight so you fly 30-60 seconds LESS than this point. That will prolong the LiPo life.
  • To reduce damage, you MUST lower your throttle upon or just before IMPACT with an object. This will help save the blades and motor gears. The helicopter can take a fall from 6' onto carpet better than it can grind it's blades into a wall or bedpost.
  • The closer you are to an object, the more that object pushes or pulls the helicopter because of the airflow across the blades. So landing on a 2 foot tall stack of books is harder than landing on a magazine on the floor.
  • If you are not going to fly the helicopter (for say a week), fully charge the helicopter, then fly for 3 minutes and then store the helicopter (powered off of course).
Power Up sequence
  1. Set Tx to channel A
  2. Lower throttle. Turn on Tx
  3. Turn on Helicopter and set down.
  4. There is an LED that will stop flashing under the canopy on the back left of the circuit board when it's initialized. This takes 5-10 seconds.
  5. Slowly raise throttle.

Wednesday, March 7, 2012

Fly Sky FS-GT3B 2.4Ghz radio reviewed


i just brought this FLYSKY FS-GT3B from hobbyhot.com
just USd 34.5

Transmitter Specifications
Dimension: 154 x 127 x 270mm
Net Weight: 395g
ANT Length: 26mm (2.4GHz)
Channels: 3ch
Frequency: 2.4GHz
Modulation: GFSK
System Type: AFHDS
Sensitivity: 1024
LCD Dimension: 100mm (L:95 x W:3mm) / 4 inches (L:3`12 x W:1`3 inches)
RF Power: no more than 10mW
Low Voltage Warning: Yes (less than 9.5V)
DSC port: Yes (3.5mm)
Charger Port: Yes
Power: 12V DC (1.5V x 8)
Model Type: RC Car / Boat
Certificate: CE (0678) FCC


Receiver Specifications
Dimension: 37.6 x 22.3 x 13mm
Net Weight: 5g
ANT Length: 26mm
Channels 3ch
Frequency: 2.4GHz
Modulation: GFSK
System Type: AFHDS
Sensitivity: 1024
RF Receiver Sensitivity: -105dbm
Power: 4.5 - 6V DC (1.5V x 4)
Model Type: RC Car / Boat
Certificate: CE (0678) FCC

Fly Sky FS-GT3B 3ch 2.4GHz LCD Transmitter

Fly Sky FS-GT3B 3ch 2.4GHz LCD Transmitter + Receiver available at Hobbyhot.com


Introduction
AFHDS (automatic frequency hopping digital system), is developed by FLYSKY for all the Radio Control model lovers and is patented by FLYSKY at home. The system is specially developed for all the Radio control models, that offers super active and passive anti-jamming capabilities, very low power consumption and high receiver sensitivity. With extreme rigorous testing by engineers and studying the markets for years, FLYSKY AFHDS is now considered to be the one of the best systems available in the market.


Transmitter Specifications
Dimension: 154 x 127 x 270mm
Net Weight: 395g
ANT Length: 26mm (2.4GHz)
Channels: 3ch
Frequency: 2.4GHz
Modulation: GFSK
System Type: AFHDS
Sensitivity: 1024
LCD Dimension: 100mm (L:95 x W:3mm) / 4 inches (L:3`12 x W:1`3 inches)
RF Power: no more than 10mW
Low Voltage Warning: Yes (less than 9.5V)
DSC port: Yes (3.5mm)
Charger Port: Yes
Power: 12V DC (1.5V x 8)
Model Type: RC Car / Boat
Certificate: CE (0678) FCC


Receiver Specifications
Dimension: 37.6 x 22.3 x 13mm
Net Weight: 5g
ANT Length: 26mm
Channels 3ch
Frequency: 2.4GHz
Modulation: GFSK
System Type: AFHDS
Sensitivity: 1024
RF Receiver Sensitivity: -105dbm
Power: 4.5 - 6V DC (1.5V x 4)
Model Type: RC Car / Boat
Certificate: CE (0678) FCC

* All of the above information and pictures are reference only. Color may be changed.

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