Quadcopter with 1 hour flight time

Hey guys,

Just wanted to introduce a new drone with 1 hour flight time: https://turncircles.com/products/drones-quadcopter-TC411

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Permalink Reply by Kaan Ozgen on October 18, 2016 at 5:55am
Hi Luc,

That's great results!
So, do you have a plug'n play interface for payloads?
Permalink Reply by Luc Maximilien on October 18, 2016 at 6:50am

Yes, you can change the gimbal in just 1 minute , or put anything else you want very quickly .

Permalink Reply by Johnatan on October 18, 2016 at 6:51am

Any achievements with regard to flight time is welcome. However, why do not you use 18650GA (3500mah) instead of 18650B (3400mah). In addition, we would probably see a 3800mah 18650 battery early next year!

Permalink Reply by Kaan Ozgen on October 18, 2016 at 7:14am
@Luc, that's fantastic!!

@Johnatan, we've tried the GAs but it didn't make much difference in terms of flight time. Maybe because they are 2 grams heavier per cell and the capacity doesn't pay off or because of our configuration...

3800mAh sounds super interesting though! Any cell in 18650 size can be implemented w/o any change.
Permalink Reply by Bjorn Nellerson on October 18, 2016 at 8:16am

To anyone who's considering this: Please don't fall for this.

The NCR18650B batteries are NOT enough to get 1 hour battery life, I've tried! Especially not with 1.8kg of weight...

Alos, 22V is impossible to achieve exactly with the voltage level of the NCR18650B cells......

Permalink Reply by Andrew Murphy on October 18, 2016 at 9:26am

You'll have to excuse my skepticism after your guys' last project which looked suspiciously like a senseFLY ebee. 

https://www.kickstarter.com/projects/745804289/smartplane/

Permalink Reply by Kaan Ozgen on October 18, 2016 at 11:45am

Sure I understand Andy. A lot of people seem sceptical. I'm hoping to enlighten this in the next weeks. Stay tuned...

Permalink Reply by Andreas Gazis on October 18, 2016 at 12:38pm

*sigh* It's a losing semantic battle I guess, but there's a bunch of fixed wing foamies which, equipped with an autopilot and beefy off the shelf batteries, become drones capable of 1 hour+ flights, with heavier payloads and significantly lower cost.

Permalink Reply by Kaan Ozgen on October 18, 2016 at 1:51pm

True that... Though all different type of vehicles are suitable for different applications...

Permalink Reply by Andrew Rabbitt on October 18, 2016 at 3:05pm

...and as soon as these fixed-wing airframes become VTOL, the dedicated multirotor is going to be pushed into an increasingly smaller segment of the marketplace.

Permalink Reply by Rainer K. on October 19, 2016 at 12:03am

The part is a joke, the discussion is superfluous

Permalink Reply by Luc Maximilien on October 19, 2016 at 12:17am

I do not think so because multirotors have some advantage if you consider payload vs size of aircraft .

Multirotors are much more easier to pilot because they do not fly they rather translate in the air and they can fly better with wind.

When a quad flies 50 minutes with 250 grams of payload it covers a lot of needs so the fixed wing become the right choice only if you need more flightime

So for a lot of applications the multirotor will continue to be a winning solution.



Andrew Rabbitt said:

...and as soon as these fixed-wing airframes become VTOL, the dedicated multirotor is going to be pushed into an increasingly smaller segment of the marketplace.

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