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Manufacturer: JR
Category:
Servos
Part Number: JRPS4721
Your Price:$84.99
Retail Price: $119.99
This item is out of stock online.
This item can be gift-wrapped online.
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4721 Ultra-Torque Servo
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Product Features- Coreless motor
- Dual ball bearing
For aircraft where surface loads are high, the 4721 is your top choice. Re-geared for 120 oz-in of torque, it equals the 4131 in outstanding reliability, making it a popular choice for large models and fun-fly planes.
Size Category: Standard
Type: Analog
Torque: 119 oz-in @ 4.8V, 140 oz-in @ 6V
Speed: .22 sec/60° @ 4.8V, .19 sec/60° @ 6V
Dimensions (WxLxH): .73" x 1.52" x 1.32"
Weight: 1.72 oz
Bushing Or Bearing: Bearing
Bearing: Dual
Motor Type: Coreless
Gear Type: Nylon
Application: .60-2.5 size planes, pattern rudders, helis, boats, trucks
JR Dominates the Surface in 2005 (Article)
Setting up Multiple Servos (Article)
The Improved JR 8611A (Article)
Increase Mechanical Advantage (Article)
JR Technique (Article)
4721 Ultra-Torque Servo Line Drawing (Manual, 424 KB)
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