We are doing a special for Tower Pro SG-90 Servo at USD1.99/pc. This is the best price you will never get it from any other stores (shipping is cheap too, we only charge you 20g). The specification is as following:
http://www.myrcmart.com/tower-pro-sg...ue-p-2582.html
The motor and board of this servo are different to the SG-90-AIR-PLANE version. It has better motor, performance and life lasting is also longer. However, please do not compare the performance this servo to HITEC's HS-65 or Futaba's S3154 since the price is 5-10 x more.
This Servo is also able to replace the following parts:
* Excellent low price for 450 Class Helicopters
* Walkera 4# Servo: HM-004-Z-26
* Walkera 36# Servo: HM-036-Z-41
* Walkera 37# Servo: HM-037-Z-38
* Walkera 68#B Servo:HM-68-B-Z-37
* ESky Servo: EK2-0500
Specification
* Weight: 9g
* Dimensions: 22.6 mmx 21.8mm x 11.4mm
* Operating Speed (4.8V no load) : 0.12sec / 60 degrees
* Stall Torque (4.8V): 1.98 kg / cm
* Temperature Range: -30 to +60 Degree C
* Dead Band Width: 4usec
* Operation Voltage: 3.5 - 6Volts
** It is not suitable to use on R/C Helicopters for Hard 3D Flying. However, normal 3D is OK.