
This post can help you know how to charge the V911 battery and see what it’s signal.
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Archive for the ‘RC Helicopter DIY MODs’ Category

This is similar to the blog of “Tutorial of How to Upgrade the Helicopter’s Battery”, both are about how to upgrade the battery. The different is this blog help to deal with the problem of the bigger size of upgraded battery. Let’s see how to do it. Read the rest of this entry »

If you have a S107 in your home, you will find that there is a slingshot to keep the accelerator off. However, the main powerful advantage of this S107 is the stability, therefore RC Fever create this blog for you and mods together! Read the rest of this entry »
Do you think your helicopter can play just a short time? If you want to extend the flight duration, with the same voltage, you can replace the original battery to a more powerfull one. The modification is easy and short, I will take X902A as an example, let’s start it.

This helicopter wow me! Never imagine there is such a rc helicopter on Earth.
The skid was replaced by 6 legs which make it looks like insect! Read the rest of this entry »
Before you go on reading this basic setup, and if you didn’t in touch with FPV before, may have a look at the basic info of FPV first. This time show you a basic setup with following FPV components. I picked following components as an example. Then, you can equip your rc plane, rc helicopter or rc car with FPV.
- On Screen Display: Eagle Tree Pro Video On-Screen Display Pro Expander
- Data Logger: Eagle Tree eLogger V3
- GPS: ETS-GPS-V4
- Micro Camera: 540 TV Lines CCTV Spy Camera
- Wireless Transmitter: Partom 2.4G Wireless Transmitter And Receiver
To wire up these FPV components is not difficult at all.
- Connect OSD Pro, GPS and eLogger pieces together.
- Connect the battery cable from eLogger to spare Rx channel (if no channels available, shared via Y cable with servo)
- Connect video camera and video transmitter to OSD pro.
- Install the OSD software and connect eLogger to PC via USB.
- Follow your manual step by step to configure the OSD pro with different parameters.
Below is a picture for you to have a rough idea how they are connected, though not the same components.


Swashplate leveling is common and essential for rc helicopter, and is necessary for hands-free hover, with the trim stay at its center. The aim for swashplate leveling is to make the swashplate parallel to the rotational plane of main rotor blades. Read the rest of this entry »

It’s a norm for pilots to bend its rc heli’s main shaft, especially beginners. And a bent main shaft usually leads to number of problems and affect the flight performance seriously.
What could be happened with a bent main shaft?
RC Helicopter Float on Water
Ever feel boring to fly on your backyard or grassland? Or do you notice that whenever there is a pool or lake, it is tempting to fly above it. Fun always come with challenges, time to try something new!

Most of us afraid of dunking the helicopter in water, but some said all electronics function well after the dive?! Anyway, it can only be true for pure water without any other substances conduct electricity, just like the case of Breaking in Brush Motor. Read the rest of this entry »

