Pusher Bee 4K Diving Bee

By GQ4Life on Sep 17, 2020

3  591  4

First Build From Scratch.
StanFPV PusherBee 95x (He modified HD one to work with Tarsier for me)
I needed a Cinewhoop to lift full size GoPro. Decided inverted BetaFPV 95x. Using StanFpV Pusher Bee. He modified it for me. To run Caddx Tarsier 4K. that way I always have good 4K video having fun. If I need to film something cinematic and great quality. I'll slap a GoPro Hero6 on. Insta360 Go if I need to be more nimble. (Insta360 Go on usually) . Flies fine with GoPro 3S and 4S Gemfan 63mm ducted or azure 2540 props
Has RCInPower 1207 6000kV. (Yes a high kV for 4S but so far been fine and not hot. Im not racing at max throttle for a long time. I wanted to be able to run 3S and 4S. )
HQ BiBlades I run indoors and out. Gets best flight Times on average but a lot weaker
Gemfan has been my fav and what I use for GoPro and heavier loads. Azure is right with it.
I have a lot more props I havent tested yet.
Drone weighs about 119grams to 121grams (no battery)
I have a longer VTx antenna coming. So it sits higher than the GoPro

I have modified it to run the Tarsier camera cable thru the bottom.
Been Testing Flight times Cruising
Excel Sheet located here
More batteries and prop combos to be tested
Longest Flight so far
4S 1300mAh 150grams on Gemfan 63mm Ducted was 9:10.. Used 1251mAh.. Ending Voltage with Sag was 3.38v (Cruising around outside)

Alt Tag
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Video is 4S 450mAh with Gemfan 63mm Ducted Props - Flight Time 2:15 with Full Size GoPro. (Without GoPro estimate 3:30)

Photos

Part List

Frame

Pusher Bee HD TPU Top Mount + Bolts + Straps (Digital Version for Nebula Nano)
Stanfpv.com
$24.99

Flight Controller

F405 2-4S AIO Brushless Flight Controller (BLHeli_S) V3 (11 builds)
Betafpv.com
$42.99

Motors

4 x RCINPOWER GTS V2 1207 6000KV Motor - Choose Color (8 builds)
Pyrodrone.com
$43.96

Propellers

Gemfan D63 Ducted Durable Tri-Blade 2.5" Cinewhoop Prop 8 Pack (6 builds)
Racedayquads.com
$3.69

Propellers

Azure Power 2540 Tri-Blade 2.5" Prop 8 Pack - Choose Your Color (7 builds)
Racedayquads.com
$3.29

Propellers

HQ Prop T65 Bi-Blade 2.5" Prop 10 Pack - Choose Your Color (12 builds)
Racedayquads.com
$2.99

Propellers

HQ Prop T65MMX3 Tri-Blade 2.5" Prop 4 Pack (3 builds)
Racedayquads.com
$1.89

Propellers

HQ Prop 2.5x3.5x3 Tri-Blade 2.5" Prop 4 Pack - Choose Your ColorGreen (27 builds)
Racedayquads.com
$1.60

Propellers

HQ Prop 2.5x2.5x3 Tri-Blade 2.5" Prop 4 Pack - Choose Your Color (21 builds)
Racedayquads.com
$1.60

Propellers

EMAX Avan Rush 2.5x1.9x3 Tri-Blade 2.5" Prop 4 Pack - Choose Your Color (22 builds)
Racedayquads.com
$1.59

FPV Camera

Caddx Tarsier V2 Micro FPV Camera / 20x20 4K HD DVR - Choose Your Color (63 builds)
Racedayquads.com
$69.99

FPV Transmitter

TBS Unify Pro32 Nano 5G8 V1.1 500mW Video Transmitter (400 builds)
Getfpv.com
See Site

Antenna

EMAX Nano 5.8GHz 50mm U.FL Antenna - LHCP (20 builds)
Racedayquads.com
$7.99

Antenna

915MHz RC Antenna - U.FL (TBS / R9 Slim)
Racedayquads.com
$3.49

Receiver

FrSky R9MM OTA 900MHz Micro Receiver - ACCESS (87 builds)
Racedayquads.com
$23.49

Batteries

Tattu R-Line 11.1V 3S 750mAh 95C LiPo Micro Battery - XT30Default Title
Racedayquads.com
$16.99

Batteries

RDQ Series 15.2V 4S 650mAh 60C LiHV Micro Battery - XT30 (6 builds)
Racedayquads.com
$15.49

Batteries

RDQ Series 11.4V 3S 650mAh 60C LiHV Micro Battery - XT30 (6 builds)
Racedayquads.com
$12.49

Batteries

3S Drone Batteries for - RaceDayQuads (44 builds)
Racedayquads.com
$11.74

Radio

FrSky Taranis X9 Lite S RC Transmitter (ACCESS & D16) - Silver
Racedayquads.com
$129.99

Goggles

Skyzone SKY04X V2 OLED Diversity 5.8GHz FPV Goggles - Choose Your Color (47 builds)
Racedayquads.com
$529.99

HD Camera

GoPro HERO6 Black 4K Action Camera (Renewed) (33 builds)
Amazon.com
$278.99

HD Camera

Insta360 Go 180° 1080P Action Camera (12 builds)
Racedayquads.com
$186.99

Hardware

M2 Black Steel 280 Piece Nut & Bolt Kit (6 builds)
Racedayquads.com
$9.99

Misc Parts

Clear Heat Shrink Tubing 1ft - Choose Version25mm / Thick (4 builds)
Racedayquads.com
$3.50

Video Receiver

ImmersionRC rapidFIRE w/ Analog PLUS Goggle Receiver Module (178 builds)
Getfpv.com
$159.99

Radio Module

Frsky R9M Lite Pro ACCESS - 900MHz Radio Transmitter Module (5 builds)
Getfpv.com
$62.99

Battery Charger

ISDT Q8 500W 20A 1-8S DC Smart Charger (14 builds)
Racedayquads.com
$59.99

Backpack

Condor 3 Day Assault Pack
Amazon.com
$85.45
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Discussion

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DunkieFPV   Jan 24, 2021  

Nice Build, I gotta question for ya... I just built a BetaFPV 95x V3, and ended up using the same motors, 1207 6000kv. Man they have crazy power on 4S, I've had to put a throttle limit of 65% SCALED and can't seem to put anything more and a Nazgul 2525 on there because the motors get hot, I was looking thru your spreadsheet and about to make my own, when you say it's "100" temperature wise, what does that mean, my rule of thumb is if I can keep my fingers on it for 10sec, even with it hot, but I get use to it and I don't take my fingers off it it, that is fine...Any thoughts?

GQ4Life   Jan 24, 2021 

I was using temp gun on bell. hottest has been about 130° but I'm doing cinematic and at low throttle. drifting around indoors. Manufacturers put like 80°C as getting to the limit. which is I think 175°F .
getting too hot to hold is like 120/130F degrees. I have thrown full size gopro but short flights. and try to stay under 50% throttle.
I blew the FC. think voltage spike. flew fine last flight. then plugged in a battery next dead and wouldnt arm. think esc went. but got like a year out of it and I use it a lot.
if you're not going crazy on throttle should be fine. motor rated for it. just not for 3" props.

DunkieFPV   Jan 25, 2021 

Awesome, thanks for the feedback, yeah looking forward to flying this size and style of quad, I built a Nutmeg Pusher and put 1404 motors on there and have no issues with power or heat and I've been working on this like, man am I crazy... I just can't believe the BetaFPV 95x v2-3 are using 1106 4200kv motors, those must get hot.

GQ4Life   Jan 25, 2021 

yea I have a 95x V3 and I wish it came with a 1206. I have only done 3 indoor test flights so far. making spread sheet for that. turned on rpm filtering now. might mess with tune. tune can make a huge difference in heat.

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