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T-Motor Pacer P1604 Brushless Motor for 3.5" FPV Freestyle Builds, 2850KV 6S / 3800KV 4S

T-Motor Pacer P1604 Brushless Motor for 3.5" FPV Freestyle Builds, 2850KV 6S / 3800KV 4S

T-MOTOR

$25.00 USD
$25.00 USD
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Overview

T-Motor Pacer P1604 is a brushless motor designed for 3.5" freestyle and sub-250 g drone builds. It features a Unibell design (continuation of the Pacer bell design) for improved durability, and offers two KV options: 2850KV (6S) and 3800KV (4S).

Key Features

  • Suitable for 3.5" freestyle sub-250 g drone builds
  • Super lightweight: 11.6 g (incl. cable)
  • Unibell design; continuation of the Pacer bell design, more durable
  • Two KV options: 2850KV (6S) and 3800KV (4S)

For product selection help and compatibility questions, contact support@rcdrone.top or visit https://rcdrone.top/.

Specifications

P1604 Motor Specs (by KV)

Parameter 2850KV 3800KV
KV 2850KV 3800KV
Configuration 12N14P 12N14P
Shaft Diameter 2mm 2mm
Lead 24#120mm 24#120mm
Weight (Incl. Cable) 11.6g 11.6g
Voltage 25.2V 16.8V
Idle Current (10V) 0.4A 0.8A
Max. Power (10s) 394.6W 277.8W
Peak Current (10s) 15.8A 16.8A

Dimensions / Mounting (from product drawing)

Item Value
Overall height (drawing) 15.5
Step/shoulder (drawing) 2.9
Dimension shown (drawing) 9
Outer diameter (drawing) Ø20.8
Mounting holes 4-M2
Center hole (drawing) Ø5
Shaft shown (drawing) Ø1.5

Test Report

Propeller: GF3520-3

KV Throttle Voltage (V) Current (A) RPM Thrust (g) Power (W) Efficiency (g/W)
2850KV 20% 25.2 1.4 19580.2 104.1 35.4 2.94
2850KV 40% 25.1 4.2 28436.5 235.7 105.8 2.23
2850KV 60% 25.1 7.2 34220.1 349.7 179.9 1.94
2850KV 80% 25.0 10.4 38863.2 461.7 259.5 1.78
2850KV 100% 24.9 15.8 44031.6 618.8 394.6 1.57
3800KV 20% 16.8 1.5 17311.1 91.2 25.9 3.52
3800KV 40% 16.7 4.6 25611.5 202.2 76.6 2.64
3800KV 60% 16.7 7.7 30692.7 292.4 127.6 2.29
3800KV 80% 16.6 11.0 35219.6 380.5 182.5 2.08
3800KV 100% 16.5 16.8 40750.1 514.1 277.8 1.85

What’s Included

  • Motor x 1
  • Parts Bag x 1

Applications

  • 3.5" freestyle builds
  • Sub-250 g drone builds

Details

T-Motor P1604 brushless drone motor set for 3.5-inch FPV builds, with blue rotor top and exposed copper windings

The T-Motor P1604 motors are designed for 3.5-inch setups, with an open-frame design that helps keep the build compact.

Close-up of T-Motor P1504 mini drone motor with blue propeller, suitable for 3.5" sub-250g freestyle builds

T-Motor P1504 is designed for 3.5-inch freestyle sub-250g drones and is listed at only 11.6g.

Close-up of T-Motor P1504 brushless motor with unibell bell design and KV2850 marking on the can

The T-Motor P1504 features a unibell-style bell and clearly marked KV2850 rating for quick identification during builds.

Two T-Motor 1604 brushless drone motors with open blue stator, showing optional 2850KV (6S) and 3800KV (4S).

The T-Motor 1604 motor is available in 2850KV (6S) or 3800KV (4S) options to match your battery setup.

T-Motor P1604 motor dimension drawing with top, side and bottom views, Ø20.8 body and 4×M2 mount holes

T-Motor P1604 dimensions and 4×M2 mounting pattern help confirm fitment and screw spacing for compact builds.

T-Motor P1604 motor specifications and test report table with 2850KV/3800KV data, 2mm shaft and 11.6g weight

P1604 specs and bench test results list 2850KV and 3800KV options with 2mm shaft diameter, 11.6g weight, and GF3520-3 prop performance data.

T-Motor P1604 testing graph showing thrust (g) vs throttle for 2850KV at 25.2V and 3800KV at 16.8V

The P1604 thrust curves compare 2850KV at 25.2V and 3800KV at 16.8V with a GF3520-3 prop as throttle increases.

T-Motor P1604 drone motor with included parts bag of mounting screws and small hardware

The T-Motor P1604 package includes one motor and a parts bag with mounting screws and small hardware for installation.

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