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Technical Specifications
Last Updated: 2026-09-08Identity
Performance
Physical
Drivetrain
Control & Signal
Electrical & Environment
Connectivity
Origin
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| Identity | |
| Brand |  |
| Product Number | 11305 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
4.8V20.00 oz-in1.44 kg-cm0.1 N-m |
| Speed |
4.8V0.14 sec/60°428.6 deg/s71.4 RPM |
| Running Current | (add) |
| Stall Current | (add) |
| Shaft Power | 0.26 W |
| Physical | |
| Weight | 0.17 oz4.7 g |
| Dimensions |
L 0.67 in W 0.32 in H 0.87 in L 17.0 mm W 8.0 mm H 22.0 mm |
| Case Material | Plastic |
| Drivetrain | |
| Motor Type | Brushed |
| Motor Drive | (add) |
| Gears | Nylon |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Bushing |
| Backlash | (add) |
| Control & Signal | |
| Modulation | Analog |
| Direction | (add) |
| Rotational Range | (add) |
| Mechanical Limit | (add) |
| Pulse Cycle | (add) |
| Pulse Width | (add) |
| Neutral Position | (add) |
| Dead Band | (add) |
| Refresh Rate | (add) |
| Angle Sensor | Potentiometer |
| Control System | PWM |
| Programmable | (add) |
| Signal Voltage | (add) |
| Electrical & Environment | |
| Operating Voltage | 3.7–7.4 V |
| Power Source | Direct |
| Regulator Type | Direct |
| Temperature | (add) |
| Water Rating | (add) |
| Certification | (add) |
| Idle Current | (add) |
| Connectivity | |
| Connector | JR (Universal) estimate |
| Wire Length | (add) |
| Origin | |
| Country of Origin | (add) |
Disclaimer: Most data is sourced from the manufacturer. Some data is sourced from our loyal community and with the help of AI. We aim for accuracy but are not responsible for inaccurate information.
Notes
This servo also comes in a high-speed (0.08 sec/60°) version but with lower torque (16.00 oz-in) - D47S.
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Reviews (9)
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Daniel T
February 6, 2019Application(s): i used and still use the Diamond D47 on my FireFly from https://www.microbirds.com, it actually has alot more torque than required by the glider, love my D47, thank you Lee
Comments: best micro servos in the market hands down.
miedzian
June 10, 2017Application(s): F5J thermal glider 2.5m
Comments: Recently I have bought 8 dymond servos - 5 x D60 and 3 x D47 and... 3 of them have problems. One D60 and one D47 have centering problem, one D47 have significantly different travel range from other two... 3 per 8 have reveal issues... bad luck or quality problem?
scruffy1
November 5, 2016Application(s): now > 2 years use for both flaperons and elevator in a binary 900 DLG (900mm span)
Comments: have behaved faultlessly at 2s, and later at 1s in the same airframe; have survived a structural fault that snapped the wing and remain intact and continue to perform great service
SWISSSTEVE
August 30, 2015Application(s): Dreamflight Libelle DLG
Comments: I had two Dreamflight servos out of four on my new Libelle break (Gears) and replaced with the Diamonds - no problem, same dimensions (no cutting required) ad worked perfectly (didn't even need to re set anything on my DX9 controller).
very Happy with Diamond. Not happy with the Dreamflight servos (but it has to be said, very happy with the Libelle).
scruffy1
May 31, 2014Application(s): flaperons and elevator in a binary 900 DLG
Comments: fast and accurate, running on 2s
no issues to reportAPN
December 8, 2013Application(s): DLG ailerons, rudder and elevator
Comments: Have stripped 2 aileron D47s after separate hard landings. Rudder and elevator are fine.
Great servo, very thin and low (protruding above the mount tabs) but not tough enough for my rough handling.
Pete
August 26, 2013Application(s): Discus launch glider
Comments: I've used D47s on several DLGs for the elevator. Never had any trouble, nice and accurate. Thanks Dymond!
Calquin
September 30, 2011Application(s): Sport - 3D Great Plane Yak-54 1040 mm
Comments: They are the Best servo you can find in the market to small and middle plane too
Stong - exactly accurate, and very very light 5 grams with arm
Highly recommended.When you know it works but you not wanting to any other servo.-
lebenj
March 7, 2010Application(s): DLG gliders (wings or tail)
Comments: very acurate. and very small play!
maybe the best servo you can find in the market for a small plane. if you need bigger, go D60!!!)
it's not very fast, but all the other caracteristics are so fabulous!!!in theory can work directly in 2S!!!