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Brand: Emax
Model: ECO II 2807
Item Name: 2807 1300KV 6S / 1500KV 5S / 1700KV 4S Brushless Motor
Optional KV: 1300KV / 1500KV / 1700KV
Optional Quantity: 1PC / 4PCS
Framework: 12N14P
Length: 34mm
Diameter: 33.9mm
No.of cells: 3-6S 1300KV
No.of cells: 3-5S 1500KV
No.of cells: 3-4S 1700KV
Propeller:6"-7"
Weight: 47.6g(W/O Silicone Wire) 1300KV
Weight: 46.9g(W/O Silicone Wire) 1500KV
Weight: 47.9g(W/O Silicone Wire) 1700KV
Prop adapter shaft thread: M5
Bearing Shaft: 4mm
Shaft Thread: CW
Feature:
Precision bearing
Steel shaft
Anodizing
19*19mm hole pattern
Multi-strand winding
200mm 18 AWG silicone wire
Package Included:
1PC Version | 1* Emax ECO II 2807 Motor 5* M3*10 Screw 5* M3*8 Screw 1* Aluminum M5 nylock nut 1* Washer and Screw for shaft |
4PCS Version | 4* Emax ECO II 2807 Motor 20* M3*10 Screw 20* M3*8 Screw 4* Aluminum M5 nylock nut 4* Washer and Screw for shaft |
A part of the review has been auto-translated.
I have swapped my Racerstar AirA 2508 1200kv with these ones (1300kv version) and have mixed feelings.
What I like:
-Nice looking finish
-big bearings (brand unknown)
-thick wires
-spare bell housing screw and shim
-good price
What I don´t like:
-poor balancing
-quite heavy for it´s size (~55g with wiring)
-no spare rubber o-ring (~4x0.6mm) and shim that is placed on the shaft between bell and stator (already lost one)
-less efficiency than my AirA (~10% less) on 7” props during hoover
They are a good alternative for the AirA motors on 7-8” long range builds. If you like little bit more power and authority go with these motors. They are also more durable due to bigger bearings. On 6S you can even do some serious freestyle. If you are out for max efficiency go with the AirA´s
very good
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A part of the QA has been auto-translated.