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Electric Ducted Fan Jets Discuss electric ducted fan jets here including setup tips, power systems, flying techniques, etc.

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Old 01-19-2014, 06:10 PM   #1
solentlife
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Default HK / Dr.Mad Thrust Alloy 3S EDF's

Does anyone have any upgrade ideas for these units ?

They are based on :

Specs:
Rotor Diameter: 50mm 5 Blade
Outer Diameter: 54.5mm
Weight: 67g with 2mm Connectors
Motor: 20mm Brushless Inrunner 4800kv
Max Amps: 18A
Max Thrust: 450g

So far I can't get near to the reported spec performance ..

18A and 450gr thrust on 3S

I get 21A and 300gr on 3S

This is worse than a stock Plastic job as I tried a 4S and it just got hot !

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