Jeffrey Lionel

By Pennywise on Jul 03, 2023

3  17  1

Luke Unger 5" frame. It's okay. It is always out of stock. It seems he cuts one, sells it, then cuts another one.

It's boxy. But safe!

Plenty of room for even an HDZero Freestyle VTX, though why bother?

I put in an O3 unit, but the T-Motor G4HD FC is trash. You have to flash Alpha to it, it won't take KISS (well, it will, but not an up-to-date version and it's iffy). But on top of all that, the board does not provide ample power for the O3 unit. The current setup has my latency sky-high and communicates under 7mbps! I thought it was the unit so I switched to a brand new unit. Same thing; 7mbps. Weird. I put both O3 units on a different quad with an O3 already on it, just replacing the AU - BINGO! They both work. The only difference is the frame and the FC. I'll assume it is the FC for now.

Whole stack will be Rush Digital - stay tuned. Done, and it actually works. Opposed to the G4HD, which did not work.

If it happens to somehow be the frame, I'll certainly not hold any punches. There is still some latency that isn't there in my other frames, so some more testing is in order. Might be how I have the wiring routed. I'll change it up to see. Hoping it isn't this beast of a frame blocking anything, or shorting anything.

If it isn't obvious: I do NOT recommend the G4HD FC, Alpha is in the name for a reason! Be forewarned, you will be on your own for support on this item. There are some people that are praising it, but they seem like they got lucky and haven't repeated it on other FCs, so I'd not use their advice until they keep setting up these FCs. In other words, their reviews seem dubious as most of them got the FC for free!??!

I'll finish filling in the bits and baubles I left out below, eventually. Nothing special though.


Part List


LU5 Frame Kit

Flight Controller

RUSHFPV Rush Blade F722 Digital Stack + 60A Extreme 3-6S BLHeli_32 128kHz 4-in-1 ESC For DJI Digital FPV System - 30x30mm


4 x Headsup | FIVE33 2207 Motor (9 builds)


HQ Prop ETHIX S4 5x3.7x3 Tri-Blade 5" Prop 4 pack - Lemon Lime (60 builds)

FPV Camera

DJI O3 Air Unit (79 builds)


Récepteur ELRS 2.4G EP1 Dual TCXO - Happymodel (2 builds)
See Site


RadioMaster Zorro Max AG01 Mini Pyrodrone Edition EdgeTX RC Transmitter - Choose Version


Ethix Mambo - FPV RC Radio Drone Controller (3 builds)


Radiomaster TX16S Multi protocol radio - Droneshop Custom Drones (96 builds)


Boxer Radio Controller (M2)
See Site


HDZero Goggle | HDZERO (19 builds)


SKYZONE SKY04X OLED 5.8GHz 48CH Steadyview Receiver 1280X960 Display FPV Goggles Support DVR With Head Tracker Fan For RC Racing (17 builds)


Walksnail Avatar HD FPV Goggles (8 builds)


DJI Digital HD FPV Goggles (141 builds)


DJI Goggles Integra

HD Camera

GoPro HERO10 Black - Waterproof Action Camera with Front LCD and Touch Rear Screens, 5.3K60 Ultra HD Video, 23MP Photos, 1080p L (18 builds)

Video Receiver

HDZero VRX Digital HD Receiver Module (7 builds)

Video Receiver

ImmersionRC RapidFIRE w/ Analog PLUS Goggle FPV Receiver Diversity Module (13 builds)

Video Receiver

TBS Fusion (44 builds)

Video Receiver

Walksnail Avatar VRX / Kits
See Site

Radio Module

RadioMaster Ranger 2.4Ghz ELRS Module - Starter Combo (3 builds)

Soldering Iron

PINECIL – Smart Mini Portable Soldering Iron (Version 2) - PINE STORE (11 builds)


Rotor Riot FPV Backpack
Show stores (15)


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Pennywise   Jul 04, 2023  

Rush VTX fixed my issue. Or should I say the issue that Skystars has with their electronics. Well that sucked.

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