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40" RC Manta Ray

Posted by Rory on August 1, 2014 at 7:00am

"Looking for Feed Back from all of you" (Thanks in advance)

Commercial Grade Design (40" Manta-ray Series)
Custom Design and Manufacture of UAV to suite application
Videography/Cinematography

40" Manta-Ray Spec.

Frame only $600.00
rtf custom build to suit your application approx. starting cost $4000. depending on requirements

-100% Aluminum Frame
-Different Motor sizes available
-3 sizes for props. available

-many different mounting points for payloads & Equipment

www.rcmantaray.com

manta-ray, multicopter

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Comments

Rory August 2, 2014 at 11:52am

See it fly this is with one motor that died 1hour later
http://youtu.be/l1RCfiAVdM0
Rory August 2, 2014 at 11:46am

Fly time with 2 go-pros FPV system and two 4C-4000 batteries 8 mins not just hovering
Alum. No problem RF
And yes a lot of over kill but it flys great.
Franc August 2, 2014 at 9:22am

looks heavy.

cheap design.

underwhelming.
F. C. Bearsch August 2, 2014 at 6:18am

Bit erector set,

The aluminum does not cause problems with the RF?
Shawn Thorvilson August 1, 2014 at 6:36pm

Not to sound critical but what's the point? If you are only getting 8-10 minutes with 10,000mah and no payload what kind of flight time do you expect with a payload that I am assuming will be heavy that it it necessitates this HEAVY duty frame? I'm curious to what application this serves.
Eli Cohen August 1, 2014 at 6:25pm

... but high rise buildings aren't meant to fly :)

Looks quite overbuilt. Could stand to lose some weight, just from a quick glance.
Dan Murray August 1, 2014 at 4:27pm

Cool looking copter, but I don't really understand the "mcdonald straw" comment. CF tubes are pretty damn strong, and much lighter. What problem does this solve?
Rob Dunbar August 1, 2014 at 3:48pm

What is the weight of the frame alone? One thought would be to make the top plate solid. This would help with rfi/emi and signal strength for gps receivers. Marketing side I would emphasize why this is better than all the other carbon fiber frame out there. Since there are so many out there perhaps a larger frame and octo for redundancy.
Rory August 1, 2014 at 3:04pm

Frame is only 6 Lbs.

Because it is designed to carry loads. Camera systems multiple battery packs ‎Etc.

Even the screws in each arms are a 8/32 " and that is 4 per arm with nylon lock nuts that is probably 1 Lbs right there. But they are there for payload points and overall strength.

We can make it lighter and have look like so many others made from carbon fiber Mcdonald straws.....nice.

You look at high rise buildings under the skin it looks the our Heli. And that is for the strength overall. With our weight we can still stay in the air for 8-10 mins with two 5000 four cell battery's

Thanks for your input
Rui Costa August 1, 2014 at 10:32am

What is the weight of the frame only?