Theta Servos Razor-DH1 Brushless Low Profile High Voltage Servo
TS-RDH1
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The Razor DH1 Theta Servo is a low profile size brushless servo that is capable of handling high voltage of up to 8.4V. The high torque brushless servo delivers incredible power and can be used for RC helicopters, airplanes, cars, and trucks. Featuring NFC technology, the Razor series of servos can tune and optimize performance through an Android device. Settings such as servo centering (servo offset), refresh rate, acceleration, and PID control loop are all available for tuning.
Features:
- High voltage compatibility
- Brushless motor
- Metal gears
- Precision centering
- NFC Wireless tuning via Android devices
- 25T Output shaft
- All black cables
- Neutral position: 760uS | 1520uS - Selectable
Specifications:
- Operating Voltage: 5V - 8.4V
- Torque:
- 3A:
- 6V: 360 oz/in (26kg-cm)
- 7.4V: 388 oz/in (28kg-cm)
- 8.4V: 416 oz/in (30kg-cm)
- 5A:
- 6V: 471 oz/in (34kg-cm)
- 7.4V: 513 oz/in (37kg-cm)
- 8.4V: 555 oz/in (40kg-cm)
- Speed:
- 3A:
- 6V: 0.09 sec/60
- 7.4V: 0.08 sec/60
- 8.4V: 0.07 sec/60
- 5A:
- 6V: 0.081 sec/60
- 7.4V: 0.072 sec/60
- 8.4V: 0.063 sec/60
- Weight: 60g (2.11 Oz)
- Motor Type: Brushless
- Spline: 25T
This product was added to our catalog on May 4, 2022
lucien arsenault
Verified Owner
Monday, Jun 27 2022 (about a year ago)
Theta Servos Razor-DH1 Brushless Low Profile High Voltage Servo
It bragged about being adjustable with an app. Ya! Not so much. Thankfully my radio has servo adjustments. I could not get the app to work for me. Seems like they are still in the process of getting the app up and running. I made some adjustments on my radio to get the servo to work to my needs. Performance is so so. Fast, GLITCHY till I added capacitor. Time will tell.
It’s a fasttech product so I don’t have much faith. I didn’t know that part till I did research of course. Looks cool. But the Dh1 is all black not like the aqua in the pic either. Hope it holds up. Drove mint at the indoor track.
It’s a fasttech product so I don’t have much faith. I didn’t know that part till I did research of course. Looks cool. But the Dh1 is all black not like the aqua in the pic either. Hope it holds up. Drove mint at the indoor track.
John Hamel
Verified Owner
Thursday, Nov 10 2022 (about a year ago)
Theta Servos Razor-DH1 Brushless Low Profile High Voltage Servo
I've been using 3 of these servos on the cyclic servo positions on my Tron 5.8 helicopter. Stock servo settings. They have performed very well without any issues. They survive a crash the bent the aluminum servo arm without stripping any servo gears. I am very happy with these servos on my 580 size Tron 5.8 helicopter.
John Scheinberg
Verified Owner
Wednesday, Nov 2 2022 (about a year ago)
Theta Servos Razor-DH1 Brushless Low Profile High Voltage Servo
Really good servo. Torque and speed are outstanding for a low profile. A bit noisy, mechanically limited and a plastic back plate are probably the only reasons it's not much more expensive.
Joshua Hodnett
Verified Owner
Monday, Apr 8 2024 (3 weeks ago)
Theta Servos Razor-DH1 Brushless Low Profile High Voltage Servo
Used over a year now and put in a rock rey with heavy wheels and tires. Used in harsh conditions, rain and long grass and works perfect and very strong and that's stock settings, can also program with phone and add more volts but never needed to. Amazing servo
