This is the Reedy Sonic 540 Mach 2 8.5 Turn Spec Brushless Motor|
from Team Associated.
ROAR, IFMAR, and EFRA compatible
New alloy end cap replaces the original plastic version to prevent
accidental timing movement and provide better bearing alignment
High strength balanced sintered rotor
Dual precision ball bearings
Silver-plated solder tabs
Associated Electrics warrants that this motor is warranted to the
original purchaser to be free from defects in material and
workmanship when new. Motors that have been mishandled, abused,
used incorrectly, used for an application other than intended or
damaged by the user are not covered under warranty
Reedy Sonic 540 Mach 2 8.5 Turn Spec Brushless Motor with 7.87"
(200mm) Sensor Wire and Instructions
Cells: 2S LiPo
Input Voltage: 3.7-7.4V
Power (W): 394
Max Current (A): 51
Diameter 1.4" (35.8mm)
Length: 2.1" (52.9mm)
Shaft Diameter: 1/8"
Weight: 6.34 oz (180 g)