Review: Rush Tank Race II (V2) VTX

by Oscar
Rush Tank Race Ii 2 Vtx Video Transmitter Top

Here’s a quick review of Rush FPV’s latest Tank Race II video transmitter (V2). It’s a light-weight compact VTX for your FPV drone, racing drone to be more specific as the name suggests.

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Learn about the basics of VTX in this buyer’s guide.

Where to Buy?

It comes with some wires, translucent heatshrink, manual and stickers.

Rush Tank Race Ii 2 Vtx Video Transmitter Unbox Accessories

Specs and Features

  • Frequency: 5.8GHz
  • Output Power: PIT, 25mW, 100mW, 200mW, MAX
  • Channels: 6 bands 48CH
  • Input Voltage: DC 5V
  • Power Consumption: @5V PIT-70mA, 25mW-220mA, 100mW-275mA, 200mW-330mA, MAX-450mA
  • Built-in Microphone: NO
  • Audio Support (Audio Input): NO
  • Dimension: H 20mm* W 15.5mm* D 2.8mm
  • Weight: 1.7g (without cable)
  • VTX Control: SmartAudio v2.1

Rush Tank Race Ii 2 Vtx Video Transmitter Top

Rush Tank Race Ii 2 Vtx Video Transmitter Bottom Pinout There’s absolutely no info on the product page or their FB group about VTX table. The Tank Race II is new so it hasn’t made its way to Betaflight preset yet, so I had to make my own VTX table for Betaflight. You need to enter this in the CLI to get SmartAudio (VTX control) working.

# reset VTXtable vtxtable bands 0 vtxtable channels 0 vtxtable powerlevels 0 vtxtable powervalues vtxtable powerlabels vtxtable bands 5 vtxtable channels 8 vtxtable band 1 BAND_A A CUSTOM 5865 5845 5825 5805 5785 5765 5745 5725 vtxtable band 2 BAND_B B CUSTOM 5733 5752 5771 5790 5809 5828 5847 5866 vtxtable band 3 BAND_E E CUSTOM 5705 5685 5665 5665 5885 5905 5905 5905 vtxtable band 4 AIRWAVE F CUSTOM 5740 5760 5780 5800 5820 5840 5860 5880 vtxtable band 5 RACEBAND R CUSTOM 5658 5695 5732 5769 5806 5843 5880 5917 vtxtable powerlevels 4 vtxtable powervalues 14 20 23 27 vtxtable powerlabels 25 100 200 MAX

Here’s the manual if you want to learn about how the push button works on the VTX for changing settings.

Rush Tank Race Ii 2 Vtx Video Transmitter Manual Instructions

Output Power Testing

Tested the Rush Tank Race V2 VTX using the ImmersionRC power meter V2.

R1 R2 R3 R4 R5 R6 R7 R8
25mW 32mW 30mW 32mW 31mW 35mW 38mW 40mW 36mW
100mW 125mW 134mW 147mW 162mW
200mW 215mW 280mW
MAX 401mW 540mW

What seemed to be a bug with this VTX, is that when I set the output power to MAX, and channel to R7, the VTX started to act weird. The video signal intermittently turned off and on, while the output power switched between 540mW and 650mW. Also I couldn’t change any VTX setting as it always reverted back to MAX power and R7. I also tried changing VTX settings using the push button on the VTX but it was the same, settings just wouldn’t save.

In the end I had to connect the FC to Betaflight, and change the VTX settings in the Video Transmitter tab, I was able to get out of R7 on MAX power. I didn’t have this issue on R1 on MAX power, the issue only happened when it was on R7 on MAX power. It could be a faulty unit, but you should check if yours has the same issue before using it on a drone as it would make it impossible to fly.

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Ryan Sedlmeyer 10th August 2022 - 2:10 am

Figured out the issue Oscar. Your DBM values are wrong in the CLI. For MAX it should be 26 NOT 27. This cleared errrthing up!

Lixx 31st March 2023 - 7:51 am

how do you get to that it should be 26 and not 27?

Ryan Sedlmeyer 10th August 2022 - 1:56 am

This VTX didn’t allow me to set “MAX” either as I was on Channel 8. Once I went to Channel 1, it worked on Max. Interesting.