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Technical Specifications
Last Updated: 2026-09-14| Identity | |
| Brand |  |
| Product Number | HSD65001 |
| Category | Hobby |
| Discontinued | Yes |
| Performance | |
| Torque |
6.0V
69.40 oz-in
5.00 kg-cm
0.5 N-m
4.8V
55.50 oz-in
4.00 kg-cm
0.4 N-m
Bottom 10%
|
| Speed |
6.0V
0.05 sec/60°
1,250.0 deg/s
208.3 RPM
4.8V
0.06 sec/60°
1,034.5 deg/s
172.4 RPM
Top 10%
|
| Physical | |
| Weight | 1.98 oz56.0 gAbove Average |
| Dimensions |
L 1.64 in W 0.82 in H 1.47 in L 41.7 mm W 20.8 mm H 37.3 mm |
| Case Material | Aluminum / Plastic |
| Drivetrain | |
| Motor Type | Coreless |
| Gears | Metal |
| Gear Spline/Teeth | 25 T estimate |
| Rotation Mode | Positional |
| Rotation/Support | Dual Bearings |
| Control & Signal | |
| Modulation | Digital |
| Rotational Range | 120° |
| Pulse Cycle | 3 ms |
| Neutral Position | 1520 µs |
| Refresh Rate | 333 Hz |
| Control System | PWM |
| Electrical & Environment | |
| Operating Voltage | 4.8–6 V |
| Temperature | -20–60 °C-4–140 °F |
| Connectivity | |
| Connector | JR (Universal) |
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.
Class Comparison
| Torque | Bottom 10% Stronger than 5% of 1043 Digital Standard servos at 4.8V |
| Speed | Top 10% Faster than 95% of 1041 Digital Standard servos at 4.8V |
| Weight | Above Average Lighter than 74% of 1902 Digital Standard servos |
Performance Analysis
| Shaft Power | 1.77–2.67 W |
| Power Density | 1.352 W/in³ More power-dense than 27% of 1759 Digital Standard servos |
| Torque Density | 0.9911 oz-in/g Stronger than 3% of 1036 Digital Standard servos |
| Torque-to-Volume Ratio | 28.07 oz-in/in³ Denser torque than 3% of 1042 Digital Standard servos |
| Speed-to-Weight | 0.30788 (1/sec·g) Faster than 95% of 1033 Digital Standard servos |
| Speed-Torque Trade-off | 3.22 Better balanced than 3% of 1031 Digital Standard servos |
| Torque Gain per Volt | 20.87%/V More voltage-responsive (torque) than 86% of 850 Digital Standard servos |
| Speed Gain per Volt | 17.36%/V More voltage-responsive (speed) than 61% of 871 Digital Standard servos |
| Voltage Range Width | 1.2 V Wider voltage range than 24% of 1539 Digital Standard servos |
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Reviews (10)
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Maks
May 26, 2019Application(s): Align Trex 700L 700mx120HV.
Comments: Great servo, chip and solid. I have a lot of flights on it without any issues.
k2freak
November 1, 2012Application(s): Tail rotor in 600 and 700 electric helis.
Comments: Pretty poor compared to any of the 760 us servos. I was not able to get great results with it. You can buy a Futaba DS9256 for the same money (used) and that one is so much better. MUCH better is MKS DS760.
Ticedoff8
October 31, 2011Application(s): Throttle Servo in Raptor 90
Comments: I use DS650 in my Raptor 90 for the throttle servo - love it. The Gov is the Futaba GV-1 running at 5.2 volts.
Rob
September 16, 2011Application(s): Trex 700e v2 tail servo
Comments: I flew 3 flights, tail drifted in invert hover and waged in upright flight. When I got home servo would never move again. Completely dead. The align ds650 died or something. I checked all of the wiring and plug it other channels but could not find anything wrong. At least it died when I was on the ground. Don't know what happened, this is a first for me after having several heils and planes.
chansen1953
April 27, 2011Application(s): HK600Gt - Rc Helicopter tail servo
Comments: I have used these on my 500, and two 600's for over 6 months now. had numerous crashes, and had the servo flung many mtrs.. so damage, works flawlessly.. never gets hot.. extremely fast and poowerful.. love this servo..
ant
January 3, 2011Application(s): trex 550 trex 700 x2 rave env
Comments: love the 650 is is bang on 4 the cost i have it on all my helis
Luke
September 30, 2010Application(s): Tail TREX 700 Nitro Flybarless FL760 Align
Comments: Installed OK, setup OK. However not yet flown or even started heli ever. Problem was I had to reduce lipo battery to a store charge by leaving receiver and TX on for about half an hour or so. Note. my charger does not have a store function. Anyway DS650 servo died. No life whatsoever. Now no pressure was put on the servo, it just sat there Importer said Align does not have a good reputation on honouring warranty but I suppose it could have failed in mid air so I consider myself lucky this DS650 failed on ground. Shop only had a DS620 in stock.
topter
September 4, 2010Application(s): tail servo
Comments: I have put ds650 on all my helicopter.
Ehouse3d
July 13, 2010Application(s): Tail rotor servo Trex600
Comments: Love this servo I've made it my choice on all my helis. It is performing well on my 550, 600, 700 helicopters. The price is awesome the servos are holding up. All servos fail at some point.
farzad
May 22, 2010Application(s): tail rotot for 50 nitro heli
Comments: first i set the servo with gyro align g 750 but very soon my servo was burned without any mechanical jammed and etc why?