UltraLite 5”, BrotherHobby 2004 w ET 5 - 155g!

By maplechill on Jun 04, 2020

14 968 5

I knew when I heard about the upcoming 2004's from BrotherHobby that there would be a set of 4 in my future!

I haven't been able to get a BetaFPV 35a aio yet so I decided to use their 20a v3 aio. Now this means I need to dial it back a bit to keep from frying the aio. With the Gemfan 5125 Hurricanes in the photos, the throttle needs to be limited to 80%. Another prop option is the HQ T5x2 bi-blade. The throttle limit can be turned up to 85% for the bi-blades.

An ultralight 5" can definitely be made even lighter than the 155.1g of this build. I've already seen some builds @20-25g lighter! Can't wait to get my hands on the BetaFPV 35a aio or even the upcoming CLRacing aio to really unleash these beasty new BrotherHobby motors!

PS - the Megabat canopy was TOO cool not to use! ;p

Photos

Part List

Frame	Racer X ET5 5" Toothpick Frame (2 builds) Racedayquads.com	$37.99
Flight Controller	Whoop Flight Controllers for - Toothick FC - RaceDayQuads (48 builds) Racedayquads.com	$49.99
Motors	4 x BrotherHobby VY 2004 3150Kv Micro Motor (14 builds) Racedayquads.com	$83.96
Propellers	Gemfan Hurricane SL 5125 Tri-Blade 5" Prop 4 Pack (5mm & 1.5mm Mounting) - Choose Your Color (10 builds) Racedayquads.com	$3.29
FPV Camera	Foxeer Predator Micro V4 1000TVL 16:9/4:3 NTSC/PAL CMOS FPV Camera w/ OSD PLUG VERSION - Choose Your Color & Lens (149 builds) Racedayquads.com	$23.09
FPV Transmitter	PandaRC Nano 25-400mW 5.8GHz 16x16 VTX - U.FL (2 builds) Racedayquads.com	$11.69
Receiver	FrSky XM+ 2.4GHz Micro ReceiverDefault Title (1149 builds) Racedayquads.com	$15.99
Batteries	Tattu R-Line 14.8V 4S 850mAh 95C LiPo Micro Battery - XT30 (70 builds) Racedayquads.com	$20.59
3D Printed	Racer X Megabat 7" 3D Print Set - Choose Your Color Racedayquads.com	$0.99

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Discussion

DBC Jul 14, 2020

How are you liking these motors? I build a Power Pick 5" similar to this with 2203 FPV Cycle motors. I got tangled up in a tree and fell maybe 5 feet down onto concrete and somehow bent 2 motors in the process. I don't think I'm going to replace them as they are a little heavy (20g) and didn't seem to hold up to a minor impact. So I'm interested in these or the xnova 1804.

jdmkramer Jun 05, 2020

This looks badass! :)

I just flew my 4" Micro Reverb on these motors and it hauls a hero or session no problem. 7 minutes with session and 4s 850!

maplechill Jun 05, 2020

That's amazing! with the 4" bi-blades?

jdmkramer Jun 05, 2020

Actually with the gemfan triblades

lorenzo220580 Jun 05, 2020

fly time?

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