Freewing 90mm 12-Blade EDF 6S Power System w/ 4068-1680kV Inrunner Motor
Freewing 90mm 12 Blade Metal EDF 6S Power System with 4068-1680kV Brushless HET Inrunner Motor - E7225
- 12 Blade fan with full metal silver housing
- 4068-1680kV HET brushless Inrunner motor
- For 6S operation only, we recommend a minumum 120 Amp ESC
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Tons of power more than the stock ,a drop set instalation use 130amp controller works estupendos
Perfect upgrade. Pay attention to ESC amps.
Very fine fan
This EDF unit hits the sweet spot for the Stinger 90.
I put replaced the stock motor with this unit in my Stinger 90. Thrust measured on my little home-made test stand went from 2923 grams (stock unit) to 3756 grams (1680Kv unit). Though this unit weighs five ounces more than the stock unit, the thrust-to-weight ratio still improved from 0.9 to 1 (stock unit) to 1.1125 to 1 (this unit). It increased model weight by 4.5% while increasing thrust by 28.4%. The performance increase is well worth the slightly heavier weight. Take-off distance is shorter, because acceleration is faster, while vertical climb (any climb really) is unreal. Strait and level speed went from low 90s mph, to about 103 mph. This EDF unit is absolutely awesome in the Stinger 90. You should treat yourself to this experience, it is well worth the price.
Tres bon produit de tres
Tres bon produit de tres bonne qualitÃ©
90mm upgrade edf power system w/ 4068-1680kV motor
I installed this unit in my Freewing 90mm F-16 because I fly off of grass, and it surely did help. I seem to have more power for take-off and more speed in the air. I have bought 2 more of these units for other edf jets I have in hopes of having the same results. A drop-in replacement unit for the stock set-up. I gave it 4 stars because it is 5 ounces heavier than stock, but it doesn't seem to matter, so maybe 5 stars is deserved!
Best balanced EDF unit I ever bought
Bench tested the EDF unit, with a new Gecko 155A ESC prior to installation in the Stinger 90. This is absolutely the best .. perfectly balanced EDF I ever bought.