mrhappefpv

02/07/2025

1s DJI O4 85Whoop
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Threw together an 85mm DJI O4 1s . It should fly nice right? If anything, it looks sexy 😗
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Goggles 3, O4 Air unit
Matrix 3in1
180 degree bt.20 connector
UZ85 Frame (this frame must be discontinued, rare…)
1102 22000kv motors
450mah 1s HV Lava lipo
2015 biprops
O4 3dprinted canopy

27/04/2025

1s DJI O4 Betafpv Tinywhoop
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Honestly looks like any other build lol. But the fact that it can record 4k and fpv footage in HD is mind blowing 🤯. I look back at my IG account and it was back in 2018 with the BiClops, a dual camera setup. I have always been chasing a good setup, especially on 1s…and now we can do actual good 4k on a 1s whoop…
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Following the same build formula as the BunnyWhoop. It’s basically a Meteor75 Air with a DJI O4 camera system…Perhaps this could be BunnyWhoop2.0? Or BunnyWhoopO4?
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Using ‘s Matrix 3in1, another FC I’ve always wanted. Un-needed osd chip, light 12a, latest mpu and a good gyro with no heavy usb port, motor plugs removed, it’s perfect for an HD build. Ultra lightweight biblades also helps it fly super quiet. Also to my man for having canopies designed already to mount the O4 camera lol.
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Only indoor hover so I’ll have my first outdoor flying impressions soon 😦
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Goggles 3, O4 Air unit
Matrix 3in1
bt.20 connector
Meteor75 Air frame
0802 23000kv motors
450mah 1s HV Lava lipo
Ultra lightweight biblades
3dprinted canopy
whoopstor v3 charger

24/03/2025

2s HDzero Hachidori
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Been shades since I've assembled a build...About to play around with this new build that I need for an upcoming event. Might need something more than what 1s can give me, so I decided to try a 2s Hachidori. I’ve actually had some ppl ask about a 2s build using 1002 motors so I wanted to try it for myself!
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Things left to do, flash quicksilver, update elrs and tune everything before installing some high visibility LED’s and waterproofing the build!
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HDzero Eco vtx and Lux camera, Goggles
Hachidori v2 frame cut in 2mm
SuperX HD with serial ELRS with Xt30
meteor75 ducts
1002 19000kv motors
40mm biblades
Singularity Ultra Short RHCP antenna
2s battery mount and Lux camera mount
aviators!
2s toothstor charger

20/01/2025

I've already screwed up a couple HDzero Eco lens so it's finally time to get a lens properly replaced.

Finally got to fixing an HDzero Eco camera. This is the second camera I have messed up. Gave in and said it's time to figure out a good way to fix it...0:00 ...

02/12/2024

DIY vid I did back in 2022. If you want to get way better range out of the Betafpv ELRS Lite (flat antenna) receivers, this will help. Warning...need to be decent at soldering and good probability in causing irreparable dmg to it!

How to mod the lite receiver to drastically extend its range.The video was recorded back in 2022 but it's more relevant now that the 4in1 flig...

09/04/2024

1.6” BabyTurtle HdZero Eco
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Snug fitting of the CrossF4 and Eco onto the 1.6” BabyTurtle frame!
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Was a lot easier to fit the Eco camera onto the mount and frame of the baby turtle! Opted for 1102 22000kv motors because it was what I had on hand, lol. Hopefully it does pull too much amps to rainbow the vtx system…all in all a very tight looking build, back of the camera is really close to the FC, i ended up wedging foam there just in case.
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Don’t mind the ghetto rubberband battery mount lol. Hover test is good but still need to secure the vtx antenna and power lead, and also secure the motor wires. Will deal with that after a good outdoor rip! (yes i do realize the loose screw on the camera mount standoff)
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HDzero Eco Bundle, Goggles
1.6” Baby Turtle frame
CrossF4 with serial ELRS
bt.20 connector
1102 22000kv motors
40mm biblades
450mah or 300mah hv 1s lipo

04/04/2024

Meteor75 Eco
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Mounted the Eco on the beaten and battered Meteor 75 air frame with pretty easy to tune 1s 5amp serial elrs, fc.
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One thing i really liked about the Eco cam is that it’s easy to find mounts for it! Any mount for a caddx ant lite would work! Desoldered the 4 wires and added some lighter gauge ones! Noticed immediately the provided monopole antenna had some terrible reception so added a simple dipole. Went with the nbd Plaids as it’s been an efficient combo for an HDzero build! Some test to come soon with footage, stay tuned!
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HDzero Eco Bundle, Goggles
5A 1s FC with serial ELRS
bt.20 connector
Meteor75 Air frame (repeatedly repaired…)
0802 Plaid 20000kv motors
40mm biblades
450mah or 300mah hv 1s lipo
McStinky 3dprinted canopy and battery mount

01/04/2024

Happy Easter!
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Meet Easter Whoop 2.0 with Drip. Blinged up the 1s build. Now with 3d printed outline bunny ears, making it more aerodynamic. Unlike last year's which acted like sails, lol. I wanted to make it more visible, so added LED Drips! It looks sick when it glares off the ears!
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Flew it at a nearby park and was an absolute winners. Kids recognized it right away and parents thought it was hilarious having kids chasing it around
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HDzero Whoop Lite Bundle, Goggles
LED drips
5A 1s FC with serial ELRS
bt.20 connector
Meteor75 Air frame
0802 23000kv motors
Singularity Ultra Short RHCP antenna
1609 cut to biblades
450mah 1s lipo
Custom 3dprinted canopy and battery mount, bunny costume!

08/01/2024

2S HDZero Baby Turtle
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Shout out to for giving me the opportunity try this frame out and put together an build with it! Also honorable mention to for helping forward the care-package over!
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I have a 1s analog counterpart with the 2s hdzero variant, pretty certain I’ll be flying the latter version more.
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The build was basically a migration of hardware from the previous Nano90 HDzero Baby Turtle build I built about 3 months ago except it’s now an overall thinner looking build using a Whoop Nano Lite camera.
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Frame as usually is well thought out. Nicely fitting the Whoop Nano lite camera snug in front, sandwich tightly between the carbon and standoffs.The 1102 14000kv motors on 2s (2x 1s for that matter) for this build meant cruising was about 25% throttle, lol. Pretty ridiculous. TunerRc’s EZ board is able to cope with 2s and Mpu6000 meant flying with it was smooth as hell!
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Already knew this thing was quiet but having a dedicated HDzero baby turtle frame without the use of a heavy nano90 camera i had before and no longer needed 3d printed parts meant overall lighter and even quieter to fly quad! Absolutely love it and will have some footage to provide soon!
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HDzero Whoop Lite Bundle, Goggles
2” HDzero Baby Turtle frame 2mm thicc
EZ F4 Flight controller
EP2 TCXO ELrs receiver
2x GNB A30 connector
1102 14000kv motors
2015 props
2x 1s 450mah bt2.0 Lipos