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Old Dec 15, 2011, 09:39 AM
222 km/hr Parkjet flyer
solentlife's Avatar
Latvia, Ventspils pilsēta, Ventspils
Joined Jan 2010
8,357 Posts
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Skyangel Mini 50mm EDF jets

Thought people would like to see following figures recorded on my vertical thrust rig and Wattmeter readings :

Model : T45 50mm EDF Skyangel ARF from Hobby King
Motor : Stock as supplied fitted 4200Kv
DF : 50mm 5 plain blade fan as fitted stock
ESC : 20A as stock

The model is stated to use a 850mAh 3S 20C LiPo and nearest and others have been used in tests ...

Batt ID.... mAh.... ... ..C rating.... Amps.... Watts.... Thrust grams
001 ....... 800.... 3S .. 20C....... 16A ..... 170W .... 255 gr
002 ....... 800.... 3S .. 20C....... 15A ..... 160W .... 245 gr
003 .......1300... 3S .. 25C....... 18A ..... 220W .... 330 gr
004 .......1300... 3S .. 25C....... 16A ..... 170W .... 275 gr
--D .......1800... 3S .. 25C....... 18A ..... 210W .... 340 gr
--G .......1800... 3S .. 25C....... 18A ..... 220W .... 345 gr

Battery D was used for flight tests and Doppler speed checks on video gives 85km/hr straight level and over 90km/hr in shallow dive.

I did connect a 2100mAh 3S 35C pack out of interest to see if C rating could improve performance ... as the Wattmeter went over 21A, 240W - I cut the power before ESC or Motor suffered. There was obviously more power available from the stock set-up.

Tests will be made later with 4S 20C pack as I believe keeping amps in the sub 20A band is advised. But having extra V on tap ... we should see an increase in thrust and consequently more speed. The intention is to push the model to break the 100km/hr mark but with stock as far as possible, apart from LiPo and possibly changing fan to 6 blade .. but shroud, model, motor, ESC will remain.

Anybody else experimented similarly ? Any results to pass on ?

I'm interested in grouping up with other 50mm EDF owners to maximise the adrenaline on these machines !
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Last edited by solentlife; Dec 15, 2011 at 09:45 AM.
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Old Dec 15, 2011, 03:47 PM
characters welcome!
Mark Wood's Avatar
United States, CA, Bear Valley Springs
Joined Feb 2000
26,263 Posts
Lots of info on these great little jets ( I have three) in the Micro EDF Jets and Power Systems forum.

mw
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