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Author Topic: Everyone needs a little B-roll  (Read 467 times)

Offline Cheredanine

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Everyone needs a little B-roll
« on: September 10, 2018, 16:36:56 »
Getting this one together, some stuff on the way (other stuff I am open to suggestions on

X-hover B-roll (on the way)
https://xhover.com/products/copy-of-b-roll-micro-hd
(Couple of extra 3d printed bits which Greg is kindly doing for me off thingverse, notably an axii ufl Mount and the increasing infamous apple antenna (I-mortal T) Mount

Rotor-x 1404 3600kv spinning 3044 T mount props (on the way) frame only supports 9mm mounting pattern. Could have gone 3s 1106ish but who wants to play nicely with others.

Runcam split mini v2
Clracing mini f4 (chosen for 3 exposed uninverted uarts - split, CRSF and smartaudio
Favourite cloud Phoenix 10amp blheli32 esc - considered 20amp but 10 amp with 15amp burst should handle it according to static thrust tests.
Tbs crossfire nano se
Tbs unify nano (cos I am owed one but thinking of perhaps taking a larger unify, powered from pololu 5v reg.
Tbs racewire mini if they fit the arms
Axii ufl
Smallish low ear cap

Aiming for 3inch short x top mount lipo under 250 grams, hopefully 659mah 4s lipo should cut it

Offline Andy7

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Re: Everyone needs a little B-roll
« Reply #1 on: September 10, 2018, 17:14:00 »
(Sensible-looking fpv cam mount too!)  :laugh:
ZMR200 | EMAX 2206 2300kv | XSRF4PO(BF) | FatShark Dom V3 | Spedix ES25 | 4S 1300mAh | 5045x3 PC HQ Props | FrSky QX7.
Hubsan X4 107 V2
YouTube: www.youtube.com/user/AndySevern7

Offline Lamaule

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Re: Everyone needs a little B-roll
« Reply #2 on: September 10, 2018, 18:08:47 »
With a name like that it needs a gimbal! :)

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #3 on: September 10, 2018, 18:17:56 »
With a name like that it needs a gimbal! :)
I am taking a gimbal that the motor/prop combo will have enough oomph. :)

The frame would be spot on if they put 12mm motor mount holes on it and moved the rear stack back about 2mm

Offline daich

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Re: Everyone needs a little B-roll
« Reply #4 on: September 12, 2018, 18:24:16 »
dude, there is a clone of that frame with 12mm motor mounts
The frame is so incredibly simple, it was only a matter of time.

https://www.banggood.com/B-Roll-Frame-Kit-37_9g-p-1338876.html

I'm mildly ashamed that I got one...but it did come together very well  :evil




Total weight is just under 160g before battery. I've only got to fly one pack through it, a 850mah 4s and it lasted over 5 minutes  :laugh:

The included camera mounts are brittle PLA so I found this mount and printed it in TPU https://www.thingiverse.com/thing:2685949


Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #5 on: September 12, 2018, 20:09:30 »
Interesting, of course chinesium, but motors already on route, will see how it goes (160 gram is heavier than I am aiming for)
(Actually I got what I assume is a garbage response from xhover suggesting the real one fits 14xx, don’t believe it but we will see)
Gotta laugh at banggood, the frame is dead cat layout, the picture of the quad on the scales has the top plate back to front, the blurb says 4mm bottom plate and 5mm top plate, just gibberish ;)

Don’t be ashamed, it is a good layout wander about the arm strength but if my original blue aka I know what I am shopping for next
« Last Edit: September 12, 2018, 20:16:49 by Cheredanine »

Offline daich

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Re: Everyone needs a little B-roll
« Reply #6 on: September 12, 2018, 21:13:21 »
Yeah, chinesium...though they actually got the weave in the right direction this time.
It's actually not a dead cat...where the rear motors are closer together...it's just the swept back rear arms that make it look that way... the motors are actually in a rectangular format, more H style

we'll see how this holds up though... bottom plate is quite thin for these beastly motors though

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #7 on: September 12, 2018, 22:34:46 »
Yeah you are correct to be completely accurate about dead cat with regards to the motor layout but the arm layouts of the b-roll follows dead cat in order to keep the front props out the cam.

The direction of the carbon weave is misleading, the top and bottom layers of the laminate are the most important ones but those layers in between will point in other directions depending on what type of carbon it is

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #8 on: September 18, 2018, 15:03:01 »
Ok so frame arrived, teaser pic next to smooth operator to demonstrate size


Offline Lamaule

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Re: Everyone needs a little B-roll
« Reply #9 on: September 18, 2018, 18:04:33 »
Ok so frame arrived, teaser pic next to smooth operator to demonstrate size


Stop showing me pictures of cool stuff!

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Offline CornishMule

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Re: Everyone needs a little B-roll
« Reply #10 on: September 19, 2018, 09:06:41 »
Damn this looks so nice. I'm very tempted to get one and swap over my bangarang build to this frame, the props-out-of-view is the seller for me ...

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #11 on: September 19, 2018, 16:13:18 »
Motors arrived, built it up with HGLRC XJB428 stack and an xm+ to test fly, very smooth

Quick weight check, 179grams, (including 4s 650mah tattu) by the time I fit the split and replace the xm+ with crossfire guessing about 220grams

Quick flight test with 4s suggest I may need to rethink the pressfit props



« Last Edit: September 19, 2018, 21:15:20 by Cheredanine »

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #12 on: September 21, 2018, 15:01:32 »
Crossfire (3s printed mounts from tryingto - ty mate) and a little umagrip added, F.C. flashed with bf 3.5.1.
Interestingly tests around the house like a hubsan suggest my theory about the motors is right. Even on stock filters and pids this thing is very smooth with the motors coming down cold. Not something that has happened on any micro builds in the past, always needed more than stock filtering to avoid heat in the motors.

Considering just putting a split mini on it rather than waiting for v2, then trying foxeer mix when it comes out
(Currently 189grams with 650 mah 4s tattu, should be about 210grams with split mini, and still very sub 250 grams with 850mah 4s






Offline Tryingto

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Re: Everyone needs a little B-roll
« Reply #13 on: September 21, 2018, 15:07:42 »
Crossfire (3s printed mounts from tryingto - ty mate) and a little umagrip added, F.C. flashed with bf 3.5.1.
Interestingly tests around the house like a hubsan suggest my theory about the motors is right. Even on stock filters and pids this thing is very smooth with the motors coming down cold. Not something that has happened on any micro builds in the past, always needed more than stock filtering to avoid heat in the motors.

Considering just putting a split mini on it rather than waiting for v2, then trying foxeer mix when it comes out
(Currently 189grams with 650 mah 4s tattu, should be about 210grams with split mini, and still very sub 250 grams with 850mah 4s







No problem! :) Cant wait to see this mad lad in the carbon next week! :)

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #14 on: September 21, 2018, 15:13:02 »
It kind of depends what cam I use mate, split mini 2 was due out middle of the month but runcam web site now says 28th, which will probably prevent me getting it in for bfu6, hence the thought about split mini,
Couple of grams more - pft, same latency, same specs, I don’t really have any problem fitting 2 boards since it is dual stack and front bay is entirely free atm, using split v2 would allow me to move the vtx on top of the cam board and slam the top deck by 5mm (if the cam allows, but hmmmmm

Offline Cheredanine

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Re: Everyone needs a little B-roll
« Reply #15 on: September 28, 2018, 22:38:48 »
So build completed and test hovered in the living room at 9pm the day before bfu 6, will maiden it there, obviously will need tuning.
Note I am using a hglrc xjb428 stack and a split mini v1
AUW with a 650mah 4s is 212 grams, clearly room for a larger lipo if needed


Offline Lamaule

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Re: Everyone needs a little B-roll
« Reply #16 on: September 28, 2018, 22:55:25 »
So build completed and test hovered in the living room at 9pm the day before bfu 6, will maiden it there, obviously will need tuning.
Note I am using a hglrc xjb428 stack and a split mini v1
AUW with a 650mah 4s is 212 grams, clearly room for a larger lipo if needed


Pretty light mate. Looks great!

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