Last week I did some bench testing on the NCR18650B Lithium Ion cells, and the results were very promising, showing twice the energy density as a LiPo. This week I wanted to get the packs out of the lab and in the air on the Raptor 100 for some real life testing.

First I tested what the take off and cruise throttle was for the Raptor100, and then used a watt meter to determine the watts at those throttle settings. I found the same throttle setting for those same watts on the Li-Ion pack to ensure all was tested equal. The throttle % was lower for the Li-Ion cells as they operate at a higher voltage, and I was able to match the same watt rate at about 4A, just over 1C for takeoff.

The plane flew just fine on the Li-Ion packs. I did some full throttles and hard climbs and this single 4S1P pack performed perfectly. The Raptor100 flew faster than it ever has before due to the higher voltage, and was easily traveling 100kph.

Now I'm off to build 6 more packs and put them on the Raptor140 for over 2 hours of flight time!

See you next week!

-Trent

Lithium-Ion Packs
RTF Li-Ion Packs: http://store.mygeekshow.com/product-p/3.3a-4s-2c-battery.htm
Li-Ion Kits: http://store.mygeekshow.com/product-p/ncr18650b-pack-kit.htm
Single Cells: http://store.mygeekshow.com/product-p/ncr18650b-single-cell.htm

Raptor 100 Kits
Kit: http://store.mygeekshow.com/product-p/raptor-100-kit.htm
ARF: http://store.mygeekshow.com/product-p/raptor-140-arf.htm

Learn More:
Raptor Details: http://www.mygeekshow.com/theairplanes/Raptor100.html
USA Trip Details: http://www.mygeekshow.com/usatrip/

Follow the Show:
Website: http://www.mygeekshow.com
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Twitter: http://twitter.com/mygeekshow
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Skype: MyGeekShow
UStream: http://www.ustream.tv/channel/mygeekshow

Filmed, Edited, Produced and Published by Trent in Arkansas, USA

Views: 5720

Comment by Euan Ramsay on March 22, 2014 at 10:24am
I'll have to see if I can build a 20A 6S - my hex will love me!

Note: I have no intention of doing this...:-)
Comment by Rana on March 22, 2014 at 10:29am

Congrats Trent, really very promising !


T3
Comment by Stephen Zidek on March 22, 2014 at 10:55am

I wonder if I could jam enough in the Phantom's battery bay to make it fly.

Comment by Jon Abercrombie on March 22, 2014 at 11:14am
I would love to see these tested on a quad or hex set up for heavy lift and what times you get out of them
Comment by hal on March 22, 2014 at 12:38pm

Those batteries might make a really nice 200-280mm size quad battery if the 3s versions weigh the same or less than a 1500mah or so lipo.  Of course 30 minutes to an hour of FPV would be crazy compared to the 5-7 minutes most small quads get now.  

Comment by criro1999 on March 22, 2014 at 3:35pm

What charger are you using to charge those battery?

Comment by titeuf007 on March 22, 2014 at 4:07pm

whoaa 

if we make 3s 3400mah for less than 180gr it s exactly the same weight than a 3s 2200mah from hk so we can really improve flight time..on top of that multi doesn t need so much amp 

Comment by criro1999 on March 22, 2014 at 4:41pm

You can find those cells (similar) inside the laptop battery

usually Dell pack is 11.1v 60Wh

So you can charge with laptop. Of course you need to remove the case and keep just cells.

 

Comment by Trent at MyGeekShow on March 22, 2014 at 6:02pm

Thank you everyone for your support! Sorry the delayed responses, its been a crazy day.

I use a turnigy accucel at a 14.8v LiPo setting to charge them to 4.2v each at 1.6A. Takes a good 2 to 3 hours, but they perform very well after the charge.

Comment by titeuf007 on March 23, 2014 at 7:15am
Now just a new test with quad and all will be perfect

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