Eachine Black Wing 680mm Wingspan EPP FPV Wing Kit/PNP - RC Groups
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Jul 24, 2017, 06:08 AM
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New Product

Eachine Black Wing 680mm Wingspan EPP FPV Wing Kit/PNP


Eachine Black Wing 680mm Kit: https://www.banggood.com/Eachine-Black-Wing-680mm-Wingspan-EPP-FPV-Racer-RC-Airplane-KIT-p-1176721.html
Eachine Black Wing 680mm PNP: https://www.banggood.com/Eachine-Black-Wing-680mm-Wingspan-EPP-FPV-Racer-RC-Airplane-PNP-p-1176720.html

A single piece, "EPP", somewhat Z84 resembling FPV flying wing, pretty interesting but efficiency and flying characteristics are largely unknown







Kit:

Description:
Brand name: Eachine
Item name: Black Wing 680mm
Wingspan: 680MM (26.8" )
Body Length: 351MM (13.8" )
Weight: 168g
Wing area: 12g / dm2

Features:
* EPP material, nice and durable.
* Small aircraft large function, large space, can support the flight of Quadcopter and FPV / aerial photography.
* The aircraft is modular and easy to install.
* Push back propeller design, better security, easier flight.
* Suitable for carrying different cameras (808, CCD, GOPRO).
* Flying wings are small, can fly in small places.

Recommend Parts (Not included):
Motor: Racerstar 1806 KV2400
ESC: Hobbywing 12A Click here
Servo: 9g * 2 Click here
Propeller: EPM 4141
Battery: 3S 11.1V 1300-2200MAH Click here


PNP:

Description:
Brand name: Eachine
Item name: Black Wing 680mm
Wingspan: 680MM (26.8" )
Body Length: 351MM (13.8" )
Weight: 168g
Wing area: 12g / dm2
Motor: Racerstar 1806 KV2400
ESC: Hobbywing 12A
Servo: 9g * 2
Propeller: EPM 4141

Features:
* EPP material, nice and durable.
* Small aircraft large function, large space, can support the flight of Quadcopter and FPV / aerial photography.
* The aircraft is modular and easy to install.
* Push back propeller design, better security, easier flight.
* Suitable for carrying different cameras (808, CCD, GOPRO).
* Flying wings are small, can fly in small places.

Recommend Parts (Not included):
Battery: 3S 11.1V 1300-2200MAH Click here
Last edited by D Gains; Jul 24, 2017 at 06:23 AM.
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Jul 24, 2017, 02:35 PM
Registered User
The little leading edge extensions on the outboard part of the wings are interesting. I have an 1806 motor and some FPV gear in a mini arrow right now, I may have to move them over to this guy when it comes out. That does seem like a lot of battery for such a small motor. Plenty of room in that center pod though.
Jul 25, 2017, 03:35 AM
Registered User
There's not much clearance for the prop! That's going to make it loud and inefficient, plus it's going to get chewed up when you goose the throttle as the blade curves forward.

Too bad, my mouth was watering over how well everything else is laid out.

Until someone gets it under the carving knife and figures out how much foam surgery we have to do, I'll pass. Bummer.
Jul 25, 2017, 05:19 AM
Registered User
paultbg's Avatar
@SirRexAlot - just add some motor mount spacers (10mm should be ok) and you are all set. However it will still be noisy.
Jul 25, 2017, 12:35 PM
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P.I.Engineer's Avatar
i like how the stickers hang off the canopy when it's off.
do you pull them off and re-stick them every time you pull the canopy off?
Jul 25, 2017, 01:16 PM
Registered User
Maybe that's what keeps the canopy on? Looks like it needs a tape hinge at the front.

I really like this planform, it's just got a few problems. I'd love to see some reviews.
Aug 02, 2017, 08:14 AM
Registered User
Hi friends. Does anyone know if it's possible to keep the AUW under 250 grams?
Aug 03, 2017, 10:34 PM
Registered User
seng30904's Avatar
I picked one up.. Should be here in a few days, as I sprang for expedited shipping. I too am concerned about the prop clearance issue. Upon closer views, it seems that prop in the photo is at least "partially" at fault. If needed, I will shim the motor back enough to give some clearance. I've been wanting a small EPP FPV wing for @*&^'s and giggles.
Aug 04, 2017, 01:50 AM
Registered User
Quote:
Originally Posted by jairbj
Hi friends. Does anyone know if it's possible to keep the AUW under 250 grams?
It's 168 grams naked. That's only going to leave you 82 grams for all electronics, including motor and lipo. The smallest lipo I can imagine powering this for longer than an extended glide is 50 grams. I think you'll have to start with a lighter airframe.
Aug 04, 2017, 01:53 AM
Registered User
Quote:
Originally Posted by seng30904
I picked one up.. Should be here in a few days, as I sprang for expedited shipping. I too am concerned about the prop clearance issue. Upon closer views, it seems that prop in the photo is at least "partially" at fault. If needed, I will shim the motor back enough to give some clearance. I've been wanting a small EPP FPV wing for @*&^'s and giggles.
The prop does look like it's on backwards for the photo mock up. But still it looks so close with the recommended motor and prop that it actually looks like the prop is contacting foam just sitting there. You could be looking at 20mm of spacers there. But I am curious how it turns out! Please do post a build log when you get it.
Aug 04, 2017, 05:09 AM
AutoPilot .
vulpina's Avatar
yes the prop need more space , either put motor on some stand off or cut the foam to make some room
Aug 04, 2017, 10:35 AM
Quad Erat Demonstrandum
scousethief's Avatar
Prop/picture is wrong ,ive not seen a prop that sits that far down on the bell.
Aug 04, 2017, 11:04 AM
Registered User
looks like a standard racing quad motor and prop
Aug 04, 2017, 12:08 PM
AutoPilot .
vulpina's Avatar
This could be a z84 killer for me ��
Aug 04, 2017, 12:29 PM
Quad Erat Demonstrandum
scousethief's Avatar
Quote:
Originally Posted by hoodoo_operator
looks like a standard racing quad motor and prop
Doesnt look like anything i have , the only thing similar would be an upside down racekraft style prop, ie its on backwards , those blades should not be near the bell.

I have those motors and 5051 racekrafts.


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