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  1. Diven

    How to build a fast quad?

    Yes, I have watched the first video, it is said they use 1550mAh 10S battery to flight so fast.
  2. Diven

    How to choose a Prop for quadcopter

    Okay, thank you very much. I will go to check them.
  3. Diven

    How to build a fast quad?

    I have read a news: On July 13th, 2017: DRL joined The Guinness book of World Records to fly the custom DRL Racer X. DRL’s RacerX succeeds in world record attempt. They got the fastest speed: 179.3mph. That's a amazing speed, but I don't need so fast speed, I just want to know how to build a...
  4. Diven

    How to choose a Prop for quadcopter

    So can you list the some good frame for me, give me more choice, and you'd better leave the links to me.
  5. Diven

    How to choose a Prop for quadcopter

    Hi everyone, I got a question about how to pick the right Prop for the right motor and esc and frame I bought. I also bought RTF quad and I have less experience to build a quad. But last month I got some free motors, ESCs and lipo battery form GensTattu’s giveaway. These are: Tattu 2305 2450kv...
  6. Diven

    A VERY Basic Question About Batteries

    You can buy a 5 cell battery to replace it, You can read this to know about the battery's cell http://rcfpvplane.com/lipo-battery-comprehensive-guide/ To replace a new 5cell battery, you need to consider the battery's size, weight, capacity, voltage and some others. Recommends link...
  7. Diven

    Quadcopter frame, Lipo battery, motor and propeller size matching table

    There is a quadcopter frame, lipo battery, motor and propeller size matching table, I share it for beginners to know how to choose frame, lipo batteries, quadcopter motors and propeller.
  8. Diven

    Low LiPo Cell

    I think this is the only way to solve it
  9. Diven

    Low LiPo Cell

    This is my first time to play FPV, there is a problem about Lipo battery. I only have a couple 3s LiPo batteries for my quadcopter. I broke them in when I got them, charging and discharging at 1c. Problem is, one of my batteries has a cell that, when the others drop to 3.7v while flying, the...
  10. Diven

    Is there anyone have flight Xiaomi drone 4K?

    I have watched the Xiaomi drone 4K for a long time, but I can't get it because it is seems not sold for USA. Last week I found there is Xiaomi drone 4K sold on GensTattu, so I prepare to buy one. But before buy it, I want to know is there anyone flight it? or where can I get some reviews of...
  11. Diven

    Solar Powered Battery S-Line is Coming & Giveaway??

    I saw a post on Tattu World Facebook Page, They said that: We are so excited to announce the First Tattu Solar Powered Battery will be launched in May. One of the great features of this battery is that it comes with a solar panel for constantly solar charging in the sun, embed in the sticker...
  12. Diven

    Quick question about lipo charging

    When a 1S Lipo battery fully charged, its voltage is 4.2V, your battery is a 4S Lipo battery, So When 4S Lipo battery fully charged, its voltage is 4*4.2V=16.8V. But not every battery is not like this, especial those bad batteries.
  13. Diven

    Battery Modification

    My friend ask me a question about battery: He has recently purchased a Syma X8HC Quadcopter. The controller takes 4 AA Batteries. He asked me, Is there any reason that a rechargeable 6-7 V. LI-ion or Lipo battery pack could not be used instead of the throwaway AA's. I also would think one may...
  14. Diven

    What do you need to get before Start a Drone Racing

    I think most RC drone fans like to watch drone racing, but do you know what does a FPV drone Pilot need to get before start a drone racing? Drone racing is not a simple sport, but it’s not too complicated once you know what you need to buy, if you want to be a drone racing pilot or know more...
  15. Diven

    Complete these three Lipos and which one is the best suit for racing drone?

    There are three 1300mAh 4S Lipo batteries with different discharge rate and brand. And I want to know which one is the best suit for racing drone? I have a Skylark M4-FPV250. Can you give me a good advice or other advice? These are three Lipos: Tattu 1300mAh 4S 75C Lipo battery...
  16. Diven

    New budget fpv racing quad suggestions?

    There are many articles about FPV, these are two of them, you can read them first. http://rcfpvplane.com/what-do-you-need-to-get-before-start-a-drone-racing/ http://rcfpvplane.com/the-best-five-fpv-drones-and-lipo-batteries/
  17. Diven

    2017 The Year of the Rooster and is well in China ....

    Let me guess your age, 24? 36? or 48? Haaaa...In China, if you are born in the year of Rooster, it is not means you will very lucky in this year, In fact, it is reverse. Chinese called this year is your "benmingnian", you will get much bad luck, so they will wear red clothes to fight with bad...
  18. Diven

    Lipo Question

    Some bad Lipo batteries' capacity rate are not true, usually those bad Lipos' capacity are lower than the capacity rate. There is a Lipo battery capacity test about Rage RC, Gens Ace, Venom, Traxxas and Glacier these five brand Lipos, and the result is measured capacity are larger than their...
  19. Diven

    I Want One Of These

    How much is it ?
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