Thread Tools
Jan 23, 2014, 07:43 AM
Registered User
Thread OP
New Product

KISS ESC 18a & 12a 2-4s


Iīm proud to present our new multicopter high preformance/low cost small size ESC the KISS ESC's (Keep It Super Simple)

Note: We now have another thread dedicated to the KISS 30A version:

There are two versions v1.0 at the same size (12x23mm) and v1.1 (12x24mm)

The KISS ESC 12A 2-4S v1.0 [discontinued]

Available at

And the KISS ESC 18A 2-4S v1.0 [discontinued]

3D version of the KISS ESC 12A and KISS ESC 18A available at Flyduino

Downlad: Official Manual for the KISS 12/18A ESCS

KISS ESC 18A v1.1 with bigger solder pads (overall size 12x24mm) available at Flyduino now

New mini power distribution board for the KISSes by Flyduino
Fits 250 size quads very well:

Where else to buy

In Europe: Viacopter (worldwide shipping, 25% tax off for non-EU customers)

In the US: GetFPV, BuddyRC and BuildRCDrones

In Canada: Lift RC

Features: (except for the max continuous current and the price, both versions are almost identical)

- Made in the EU
- All N-fet
- Active freewheeling (no partload problems) (complementary PWM)
- regenerative/active braking (because of the complementary PWM the ESC brakes the motor activ if the throttle signal goes lower)
- fast gate drivers (high efficiency because of very low switching losses)
- adaptive deadtime (no through shots but also minimum possible body/freewheel diode use -> less losses)
- low RDSon fets -> 3,5mOhm on the 12A and 1,66mOhm typical on the 18A version
- 32kHz output PWM frequency (not audible)
- hardware in and output PWM (zero signal jitter)
- 10-bit PWM resolution (~950 usable steps)
- programmable throttle signal range
- normal PWM input (1000-2000us 25-500Hz) and oneshot125 PWM(125-250us -> for use with up to 1kHz) selectable with a solder jumper
- selectable rotation direction with a solder jumper
- fast throttel response (no ramp used)
- capable of up to 300.000 eRpm (up to 270.000 recommended)
- there is no external capacitor needed. (you may add one if you use long power wires or if you need a smoother voltage)

Because of the high possible eRpm it drives motors like the 1806 2300kv, 2206 2000kv or 2206 2350kv on 4S without problems

KISS 12 & 18A ESCs are selectable in eCalc now:

As a general advice: cheap motors should be handled with care!
Driving them at the limit might stress the magnets and the glue until they come lose and not only destroy the entire motor but also take the ESC with it - intense heat and fire will be the result.

Also some high kV motors in combination with 6" props and 4s lipos might be over the limit. If in doubt, use eCalc!

List of proven 2-4s 470-3200kV motors working with KISS 18A (lipos & props partitially listed)

eMAX MT2204 2300kv 4s, HQ6045
FlyduinoX 1806 2300kv
FlyduinoX 2212 1000kv
Hacker A10-12 UAV 3200kv
Lumenier 2206 2350KV 4S
RcTimer 1806 2300kv
RcTimer X3 470kv
T-Motor MT1306 3100kV 2S - 3S, 5"
T-Motor MT3506 650kV 4S, 11"
T-Motor MN1806 1400KV 4S
T-Motor MN1806 2300kV 2S - 4S,  6"
T-Motor MN2204 1400kv
T-Motor MN2206 2000kv
T-Motor MN1310 700kv
T-Motor MN3110 700KV 4S
T-Motor Volo 2208 2001kv, 6030 carbon reinforced 3s - 4s 
(plastic doesn't handle the RPMs)

List of not so well performing motors and props combinations

Dualsky 2206 1800kv 4s and 6x4.5's Link
Cobra 2204 2300KV (they draw to much current!) Link 
Cobra motors comparison Link
Conclusion: while Cobra 2204 2300KV motors with 5x4" props are ok, 
5x4.5" are not - and 6" props are clearly over the top!
Test results of KISS 12/18/30A by quadmovr

Here`s a Spreadsheet with combined Motor/Prop test results

Downlad: Official Manual for the KISS 12/18A ESCS

For those who are interested in using the One Shot feature

You will need to download a specific firmware for your FC.

For NanoWii you can download the firmware and GUI from here:

KISS ESC oneshot125 vs 497Hz standard PWM (1 min 49 sec)

For Naze32 and OP CC3D thereīs "Cleanflight" code with One Shot support.

Cleanflight - Oneshot ESCs and control loop sync. (3 min 19 sec)

Use the thread search to find out more on the discussion about OneShot:

For flight demonstrations see the 2 OneShot videos by Birds of Prey and FinalGlide below.

To all OneShot sceptics

Peabody from Taulabs conducted several quantitative tests comparing the KISS ESC OneShot against standard PWM here:

His conclusion:
"Using OneShot mode on this quad results in about a 20% reduction in ESC latency. Even before OneShot, these KISS ESCs were pretty damn fast so it already flew really well. I'm not sure I'll be able to tell the difference in rate mode, but I do believe a better acro pilot than me could."

How to prepare and solder the KISS ESCs:

NOTE: itīs recommended to solder both the Signal and GND wire between FC and ESC.
Especially if your motors seem to have sync problems!

How to solder with moderate tools:

KISS ESC soldering (6 min 12 sec)

The KISSes are tiny and delicate pieces of hardware. So please be careful when soldering them!
Inspect the ESCs thoroughly before and after you solder them - best with a magnifying glass.

Remains of solder can cause weird behaviour up to a damage! Read more here and here.

flyduino minicp quadcopter zusammenbau. (1 hr 17 min 55 sec)

Hereīs a test of the max continuous rating:

KISS ESC load test (14 min 39 sec)

test conditions:
- 16V (4S)
- MT-4008 770KV motor
- 12x4 tiger CF propeller
- part load (~80% throttle on the KISS 18A and ~50-80% on the KISS 12A)
- ESC in moving air, but not in direct airflow of the propeller

KISS 18A Lift Test with 4kg Payload

KISS ESC 18A Load test (0 min 19 sec)

How to calibrate your KISS ESCīs throttle range one by one:

Watch our growing lists of Youtube Videos (demos, instructions & flights)

Here some more sample Flight Videos

minicp120 x2208 2000kv 6x4.5 hqprop kiss esc 18a nanowii 4s1800 40c (2 min 32 sec)

Warthox with Warpquad (1 min 39 sec)

(warpquad / sunnysky X2204 2300kv / 5x4 probs / 4S)

Soothing Madness (4 min 12 sec)

(incredible FPV speed by Chapu)

minicp mn2206 2350kv 6x4.5 hqprop kiss esc 18a nanowii 4s1800 40c - part 2 (1 min 14 sec)

(video by EngineerX)

20140531 190338 (1 min 55 sec)

(pylon air race at kopter in ostheim.. final me vs warthox.. warthox wins )

kiss esc test (2 min 5 sec)

(on a modifyed warthox 25cm frame with 4108 720KV motors, 12x4 propellers and 4S 1600mah lipo)

OneShot Videos

Comparison of NanoWii and Naze32 using OneShot by Bird of Prey
Naze32 Oneshot (3 min 41 sec)

More info here

More OneShot Comparisons done by FinalGlide:
KISS esc Comparison (7 min 7 sec)

OneShot Comparison (9 min 20 sec)

Out of Limits ( Cleanflight / OneShot ) (6 min 3 sec)

(2 min 25 sec)

More Youtube KISS Videos

More Vimeo KISS Videos


Last edited by juuuut; Aug 12, 2015 at 02:07 PM.
Sign up now
to remove ads between posts
Jan 23, 2014, 08:55 AM
Registered User
Coool! I wanted low amp esc but capable of 4S. What's the weight?
Jan 23, 2014, 09:19 AM
Registered User
Thread OP
Originally Posted by scf2k
Coool! I wanted low amp esc but capable of 4S. What's the weight?

the prototypes are 1,8g without wires


Jan 23, 2014, 09:33 AM
Registered User
Asome ESC!!
Is it based on the Ultra-ESC, since it also has Active freewheeling?
Will there also be a 6s version(s)?
Jan 23, 2014, 09:49 AM
Proud to eat Kraut ;-)
Julez's Avatar
An excellent project!
Please keep us updated, I'm really looking forward to these ESCs!
Jan 23, 2014, 11:01 AM
Registered User
40acrefield's Avatar
When do you expect to have units to sell? Price point? I suspect once you get a few out to people to try and get positive feedback, you will be flooded with orders.
Jan 23, 2014, 11:34 AM
Looks good, but what about a 6S version?
and a 4in1 version?
Jan 23, 2014, 11:38 AM
Registered User
size comparison...

Jan 23, 2014, 11:41 AM
Middleton, Nova Scotia
Originally Posted by 40acrefield
When do you expect to have units to sell? Price point? I suspect once you get a few out to people to try and get positive feedback, you will be flooded with orders.
***the prices will be something like 13-15€ for the 12A and 18-20€ for the 18A version (including german tax)

it will be sold by flyduino

release is not sure for now but it should be in 1-3 month. ill update this post when i have a fix release date
***you will be flooded with orders.*** Agreed!
Jan 23, 2014, 12:24 PM
Quad On!!
nate25j's Avatar
Looks promising. I'm interested in the modified frame too!
Jan 23, 2014, 12:25 PM
flohio117's Avatar
Me LIKEY! are you planning on a 2-6s?
Jan 23, 2014, 01:10 PM
Registered User
Originally Posted by TRC2000
Asome ESC!!
Is it based on the Ultra-ESC, since it also has Active freewheeling?
Will there also be a 6s version(s)?

what is software inside?
Jan 23, 2014, 01:28 PM
Registered User
Thread OP

the software is based on the ultra esc FW. but as it uses different HW it is not the same. so its made just for this ESC.

6S is not so easy at this size and price.. but we will see


Jan 23, 2014, 02:30 PM
Registered User
Originally Posted by juuuut
the prototypes are 1,8g without wires


OMG this is amazing. Now design 5g 2208 please
Jan 23, 2014, 04:47 PM
Registered User
Nice work guys !

When can I order 12amp for testing / abuse ?

Quick Reply

Thread Tools