ZMR 250 Build

3.47K viewsmini quad (<250mm)
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Hello,

I am building my first racing quad, a ZMR 250 frame. I have a list of parts accumulated so far, and was wondering what other parts you recommend that I need to get flying FPV on a basic monitor screen. My only radio is a very low end Tactic bind and fly radio for r/c planes, so I will need a radio. I only have the parts listed below:

Frame: ZMR 250

 

Motors: RTF Motor 2204 – 2300KV – House PRO Series (4)

 

Esc: 20A LittleBee ESC (4)

 

Flight Controller: Flip 32

 

PDB: Naze 32 CC3D PDB

 

Onboard camera: Mobius 1080

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I think so.  I updated some of your links, also I changed some parts around.  Ill post a full ARF kit for the ZMR here soon with a discount if you buy all parts from us.

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Anonymous 0 Comments

Thank you again for the response. My build list is looking as follows based off parts I already have and the ones with links below them the parts I will need to acquire.

ZMR 250 Build:

 

Frame: ZMR 250 $35

ZMR-250 Carbon Fiber frame (actual carbon fiber)

Motors: Cobra 2300kv

 

Esc: 20A Sn20 ESC $48

 

Flight ControllerGo with a Naze32  $24

 

PDB: 

 

Radio: Taranis X9E $330  or the x9d plus $243

http://quadquestions.com/product/frsky-taranis-x9e-tray-style-radio/

 

Radio RX: FRSKY D4R-II 2.4gh PPM 8 channel $30

http://quadquestions.com/product/frsky-d4r-ii/

 

LCD Monitor Display: $170

http://quadquestions.com/product/7-lcd-monitor-for-fpv-passengers-with-diversity-autoscan/

 

Video Transmitter 5.8ghz: $31

http://quadquestions.com/product/7-lcd-monitor-for-fpv-passengers-with-diversity-autoscan/

 

OSD 15

 

Onboard FPV Camera: $40

http://quadquestions.com/product/sony-ccd-fpv-camera/

 

 

ZMR250: $403 (minus batteries)

 

Radio: $330

 

Total = $673

 

Is this number an accurate reflection of the cost to play?

edited answer
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Hi I would recommend a Taranis X9D plus over all others.  The X9D has a ton of features including:

  • haptic feedback
  • large backlit lcd display
  • voice (important for FPV since you are essentially flying blind)
  • high performance gimbals
  • rechargeable battery
  • frsky accst technology built into the radio
  • Open tx firmware (fully configurable, open source, easy to modify & add models)
  • USB Joystick connectivity (for practice with simulators)
  • Side radio sliders

And many more features that make it the best bang for the buck.

 

There are other, cheaper radios out there such as the Turnigy 9x, but you will end up with a sub par radio for FPV, and once you end up hacking a 9x to do all of the things that the Taranis does, you will have ended up spending more on the 9x than the Taranis and you would still have sub-par gimbals.

We offer a shop service to modify the 9x for you, but we recommend that you go with the Taranis, you will be glad that you did.

 

As for receivers, the D4r-II and the X4R-SB are prime choices.  The D4R-II is a popular choice for PPM style input to your flight controller, and the X4R-SB does SBUS for the fastest input and 16 channels on a single wire.  I can’t speak for your flight controller if it handles SBUS without the need for an inverter, but the new Naze32 Rev6 works with SBUS receivers out of the box.

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Anonymous 0 Comments

Many thanks for all the responses, this is just what I needed to make some more progress. I will update with progress as soon as possible. Any recommendation for a radio and rx that won’t break the bank?

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Hi Falcon,

First off, most of your parts look good, and a zmr-250 such as this one is a good place to start:

ZMR-250

 

From there, you should be pretty well off with the Littlebees and other items..  I would recommend using a Naze32 over a flip32 but I am biased towards using official hardware because it supports the development of quadcopter technology.

You can find Naze32s here

________________________

Power distribution boards can help simplify builds, and we have one specifically made for the Zmr-250 such as this one:

ZMR 250 PDB

It has an onboard LC filter, leds, and wiring to get the job done quickly.

_________________________

Above and beyond the basics, you will need a few components for FPV.

Some articles to get you started are here:

FPV Video Transmitter selection & more

blog

__________________________

Essentially, you will need a camera:

Camera

 

Vtx:

 

OSD:

 

And a good screen to use as a receiver.  I recommend this one because it has a built in diversity receiver, battery, is white, so it works well in the sun, has high brightness, and is visible from a wide angle.

Monitor

 

For the easiest wiring setup, using a naze32 with an OSdoge is the a great choice.

 

Let me know if these options help!

 

-Anthony

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