2.5 Inch Stiffie

By The Dave on Oct 13, 2018

11 604 6

Got this frame coz it is pure art... and coz it is as stiff as you can get.

Haven't actually flown it yet...

Frame pros:
Beautiful.
Stiff.
Robust.
Thin arms.
Can go to 3 inch props.

Frame cons:
Pricey.
Weighs 5-10g more than the competition.
Can just see the frame in the camera. Camera needs to be 1-2mm less deep.

Future:
May try with 2.8/3 inch props if lacking in power.

Photos

Part List

Frame	Rakonheli CNC Aluminum 3inch Kit - EMAX Babyhawk R Rakonheli.com	$49.99
Flight Controller	HGLRC F4 Zeus F4 Flight Controll AIO 15A BL_S ESC & TX20 V2.0 48CH PIT/25/100/200/350mW VTX Banggood.com	$90.99
Motors	4 x Sunnysky R1106 5500KV 6500KV 8000KV Brushless Motor Blue for 2030 3020 Propeller RC FPV Racing Drone (19 builds) Banggood.com	$50.04
Propellers	6 Pairs Emax AVAN Mini 3 Inch 3X2.4X3 3-blade RC Drone FPV Racing Propeller CW CCW (65 builds) Banggood.com	$6.74
Propellers	4 Pairs Gemfan Flash 2540 2.5x4 2.5 Inch 3-Blade Propeller with 1.5mm Mounting Hole (171 builds) Banggood.com	$4.11
FPV Camera	Foxeer Monster Micro Pro 1.8mm 16:9 1200TVL PAL/NTSC WDR Low Latency FPV Camera Built-in OSD (9 builds) Banggood.com	$25.90
Misc Parts	10 PCS IFlight M2*4 M2 Anti-Vibration Washer Rubber Damping Ball for Flight Controller RC Drone Banggood.com	$2.75

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Discussion

sergetania Oct 13, 2018

Looks sharp! You should not have any problems with performance. I have a drone of similar weight with similar motors and it flies well with 2540 props. I am curious about two things - the durability of the frame and how you like the camera. I have a Monster Pro and it has SO MUCH jello! Hopefully, there's something wrong with mine because cameras should not be that bad unless broken.

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sergetania Oct 13, 2018

It's not about how strong and stiff it is when new but if it's still in one peace and can fly after a few dozen packs. Hopefully it holds up

The Dave Oct 24, 2018

No jello with my Monster Pro. Looks like you may have a dud. Frame flies fantastic. The rigidity makes it feel like a bigger quad.

sergetania Oct 25, 2018

Good to hear it flies well! Yeah, I think I had a dud. It was beautiful at first but after a few crashes it all turned to jello. Might have knocked the sensor loose or whatever.

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