The goal was a 5'-Copter under 250g because of local restrictions.
I really like the frame designed bei Christian from Druckbär racing frames.
I started with the standard 5' frame. After some issues with touching props I modified the center body with the racing arms and changed the position of the arms to the upper side.
I'm still a beginner in fpv-flying but I really like that frame.
I also tested biblade-props but I prefer triblades even with the higher weight.
Frame |
Druckbär Ultralight 3
Druckbaer-racing-frames.de
|
See Site |
Flight Controller |
HGLRC F4.V2 Flight Controller for XJB F413 F428 F438 F440
(22 builds)
Hglrc.com
|
$29.99 |
ESCs |
HGLRC 28A BLheli_S BB2 2-4S 4In1 Dshot600 ESC for F428
(11 builds)
Hglrc.com
|
$34.99 |
Motors |
4 x RCINPOWER G1506 3400KV 4100KV 3-4S Brushless Motor CW for RC FPV Racing Drone
(7 builds)
Banggood.com
|
$68.00 |
Propellers |
2 Pairs T-Motor T5143 3-blade Propeller 5mm Mounting Hole For RC Drone FPV Racing Multi Rotor
(25 builds)
Banggood.com
|
$3.99 |
FPV Camera |
Runcam Micro Sparrow 2 Super WDR OSD 700TVL CMOS FOV 150 Degree 2.1mm 4:3 FPV Mini Camera NTSC PAL
(63 builds)
Banggood.com
|
$34.99 |
FPV Transmitter |
HGLRC XJB-TX20 V2 Mini FPV Transmitter
(16 builds)
Getfpv.com
|
$25.99 |
Batteries |
GNB 650 mAh 4S 14.8V 80C/160C XT30
(26 builds)
Airbladeuav.com
|
$16.49 |
Goggles |
Eachine EV200D 1280*720 5.8G 72CH True Diversity FPV Goggles HD Port in 2D/3D Built-in DVR
(26 builds)
Banggood.com
|
$269.90 |
nice build! do you try the dal t5051c?
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performace? speed? also what biblade props did u try? Also props, this looks like one of my fave builds here
I'm flying freestyle, so the maximum speed is not my main focus. The performance is really enough for my flying skills. I find it hard to describe the performance without speedtests or videos.
I tested 5040 Gemfans and KinKongs. I will try Dalprop 5050 Cyclone Biblade and Racekraft 5038 next.
Thanks for the compliments ;-)
Maybe try the TMotor T5143 props?
They're not very durable, but super light, very smooth and extremely fast to spin up!
Thanks for the tip, sounds like a try :-)
So guys, I have accepted your questions as a challenge. I ordered the following props:
Biblades:
Kingkong 5040 2.3g
Emax Avan-S 4.1g
Dalprop 5050C 3.9g
Racekraft DCS 5038 3.5g
Triblades:
Kingkong 5040 3.9g
Dalprop T5040C 4.1g
T-Motor T5143 3.8g
Racekraft S5048 4.3g
The old adage "Never change a running system" was probably never as correct as here: The copter flies with triblades wonderfully, with biblades it is a pure material battle.
With the triblades he flies like a machine and I am wonderfully satisfied with my flying style.
With the biblades, the engines turns higher, and the consequence is that I lost a total of five arms and three motors in 5 attempts with biblades. Every time clean demolished right behind the engine.
At first I could not believe it was actually the biblades, but none of the problems occurred in any way with the triblades.
Unfortunately, I have little data from the biblades because the arms are broken really fast. The arms are broken even on a purely vertical flight!
On very gentle flight I had slightly longer flight times (definitely without fullspeed share) but not surprising because of the careful flight. The amps were accordingly a little lower.
Thanks to you, I have now found a new favorite triblade: T5143 from T-Motor. (In second place are now the Dalprop and the Racekraft, even the 48pitch )
Concerning the biblades, the kingkong were the most tolerable. Dalprop and Emax have torn the Copter arms to pieces.
I hope the information is interesting for you and you understand that due to the wear and tear I will not carry out any further big test series regarding the biblades.
PS: Soon another build follows, again a Druckbär, but now 6s and auw <250g :-)
Short supplement (forgotten):
Dalprop T5047C 5.5g (triblade)