Kategorie: Eachine Racer 180 aka fotzie

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Tick V1.5 = The Dolphin

Progress going on. There are some points on the Eachine Racer 180 which are not suiting my habits. Short flight times, the setup is kind of bulky but…

but… the performance is kind of unique. I don´t have any other mulitrotor in place which has this kind of accelertion. Also the cam levelling in pitch is perfect. Roll will tilt the cam but this is not a showstopper for doing videos. Trust me the eachine is a quadrotor for everyone. Take your time and you will have really fun with it. However I am looking everytime for a UAV which will suit my needs for 100%. So at the moment I´m upgrading this little beast to get it slimmer, lighter and durable.

See the short preview:

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Weight of the components

due to my hard crash on the weekend I decided to take my Eachine Racer 180 completely apart.

I weighted all the parts so maybe this is interesting for someone.

  • 1 sideplate 30gr
  • complete carbon frame 75gr
  • all mechanical parts 67gr (without the yellow box)
  • my upgraded servo 48gr
  • 1 complete arm 83gr
  • all electronics 79gr

So in total mine will be around 435gr without battery.

„Weight of the components“ weiterlesen

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3rdeye or 3rdeee TE981H firmware misflash

Last weekend I did a mistake and flashed an old firmware on my 3rdeye fpv monitor. So it ended bricked with colored lines on the screen. 3rdeye told me that I have to send it back to them (to china). They provided a correct firmware for me but there is no screen even on the av out to go back into the menu to flash from sd card. Today I decided to take it apart. While dismantling the device I broke the switch for changing between movie and recording which is not a big problem for me if I can bring it back to life. So here are some specs the vendor is hiding so far.

  • Battery 3.7v 3200mAh 11.8Wh
  • Cpu Zoran ZR36490BGF
  • SK hynix HY27US08561A (memory)
  • SK hynix H5PS5162GFR (sdram ddr2)
  • Techwell TW9910 (video decoder)
  • SM201R (120mW video receiver)

Also there are only 5 buttons on the front frame but on the mainboard there are 6 buttons one is on the top which maybe only does a reset of the device. I will try my luck and hopefully find a way to flash it by myself.

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Eachine racer 180 carbon

The eachine racer is build from weak material. Eachine used a hybrid or mixed material out of carbon and I think fibreglass. Thats why they can offer this tiny devil for a really cheap price. Fibreglas is more flexible than carbon so the longitudinal strenght is around the half of carbon and the weight is at the same time up to 2 times higher than carbon. As far as I can see they used a hybrid which looks like carbon from the outside layer but is weaker and flexible. So the weight is higher than pure carbon. I will go into this later when I will go for optimizing the fotzie more. Attached there is a photo from the milling dust. At carbon the dust is completely black. Milling parts from the eachine will be a mixture of black and white which is a indication for another material. Eachine tried to find the best of all worlds. A cheap price and minimum costs.

My conclusion of this is mixed. They used weak and heavier materials for the frame and at the same time they use plastic screws on the mountings for the FC and the power distribution board. As far as I go deeper into the construction I figure out the weak points of this setup.