Overview
Operating in the rough and tumble environment of 1/5 scale, a servo's performance is pushed to the maximum. The S9110BL and S9120BL servos have been designed to give 1/5 enthusiasts huge torque and brushless motor precision, taking their driving experiences to a new level.
Starting with a new case design with improved support for pins holding the gears, and a new aluminum top plate with re-designed bearing house, the S9110 and S9120 have been design for improved durability. A new brushless motor design will give more power than any previous Spektrum servos - the high torque S9120 is rated at 1454 oz-in of torque at 8.4v, while the high speed S9110 is rated at 1224 oz-in of torque. The S9110 keeps a similar speed of 0.14 sec/600 at 8.4, while having almost 60% more torque than the previous version! Additional improvements include a sleek new stealth black design and new thicker 18awg wire detachable connector. What's more, both are already race proven, the S9110BL and S9120 having won the 2020 1/5 Worlds Buggy Class at So Cal Nitro.
No matter if you choose the higher speed S9110BL or the higher torque S9120BL, these servos will give higher performance and additional control whether racing your 1/5 vehicle on the track or bashing through dunes.
Overview
The SPM S9110BL is a 1/5 scale digital high voltage brushless metal gear servo engineered for the most demanding RC enthusiasts in the UK and beyond. Operating in the rough and tumble environment of 1/5 scale racing and bashing, servo performance is pushed to the maximum, and the S9110BL has been purpose-built to deliver. This high-speed servo represents the pinnacle of Spektrum's servo engineering, combining tremendous torque output with precision brushless motor technology to elevate your RC driving experience to a new level, whether you're competing on the track or exploring off-road terrain.
The S9110BL and its sibling the S9120BL have been designed specifically to give 1/5 scale enthusiasts the power and control they need for competitive racing and serious bashing. These servos are race-proven, having won the prestigious 2020 1/5 Worlds Buggy Class at So Cal Nitro, demonstrating their capability at the highest levels of competitive RC motorsport. Whether you're a seasoned competitor pushing the limits of 1/5 scale racing or a dedicated basher exploring natural terrain, this servo will give you the higher performance and additional control necessary to dominate your chosen discipline.
This is not an entry-level servo; it's a professional-grade component for those who demand the best from their RC vehicles. The S9110BL combines cutting-edge brushless motor technology with robust metal construction to deliver reliability and performance in equal measure.
Key Features
- Brushless Motor Technology — The S9110BL utilises advanced brushless motor design that delivers significantly more power than any previous Spektrum servo. Brushless motors are more efficient, produce less heat, require less maintenance, and offer superior performance characteristics compared to traditional brushed motors, making them essential for high-performance RC applications.
- High-Speed Performance — With a servo speed of 0.14 seconds per 60 degrees at 8.4V, this servo is designed for rapid response and precise directional control. The high-speed configuration ensures your 1/5 scale vehicle responds instantly to steering inputs, critical for competitive racing where split-second adjustments determine success.
- Exceptional Torque Output — The S9110BL delivers an impressive 1224.3 oz-in (88.16 kg-cm) of maximum torque at 8.4V, providing nearly 60% more torque than the previous generation while maintaining high speed. This combination of speed and torque gives you the control needed for aggressive cornering and responsive handling in demanding conditions.
- Metal Gear Construction — Metal gears throughout the servo transmission ensure durability and strength under the extreme stresses of 1/5 scale operation. Unlike plastic gears, metal gears resist stripping, wear longer, and maintain precision performance even after countless hours of use in competitive and recreational settings.
- Improved Case Design — The S9110BL features a new case design with improved support for the pins holding the gears in place. This engineering refinement distributes loads more evenly, reducing stress concentrations and extending the servo's operational lifespan in the demanding environment of 1/5 scale RC vehicles.
- Aluminium Top Plate with Redesigned Bearing House — The new aluminium top plate features a re-designed bearing house that enhances gear alignment and reduces friction. Aluminium construction provides excellent strength-to-weight ratio while the improved bearing arrangement ensures smoother operation and better longevity under sustained use.
- High Voltage Operation — Operating across the 6.0V to 8.4V range, the S9110BL can utilise high-voltage battery packs. Higher operating voltages deliver increased torque and speed compared to standard voltage servos, giving you performance advantages when running 2S LiPo batteries.
- Stealth Black Design — The servo features a sleek new stealth black aesthetic that looks professional and purposeful. Beyond aesthetics, the black finish is durable and resists showing wear, maintaining the appearance of your servo even after extensive use.
- Heavy-Duty 18AWG Wire Detachable Connector — The servo comes equipped with a new, thicker 18AWG wire detachable connector. The increased wire gauge reduces electrical resistance, improving power delivery and heat dissipation, whilst the detachable design allows easy servo swaps and maintenance without complex de-soldering.
- Micro-Deadband Control — With a deadband specification of less than 1 microsecond, the S9110BL offers ultra-precise neutral point detection. Minimal deadband means your servo responds instantly to control inputs with no delay or dead zone, essential for precision steering in competitive racing.
- Giant Scale Classification — Categorised as a giant scale servo, the S9110BL is purpose-built for larger RC vehicles where power and torque demands are substantial. This classification confirms the servo's capability to handle the stresses of 1/5 scale platforms.
- Bearing Support Throughout — The servo uses bearing support rather than bushings, ensuring smoother operation and reduced friction throughout the output shaft's range of motion. Bearings maintain their performance characteristics better over extended use compared to bushings, contributing to the servo's longevity.
Technical Performance
The SPM S9110BL represents a significant advancement in 1/5 scale servo technology, combining engineering excellence with proven race pedigree. At its core sits a new brushless motor design that pushes power output to unprecedented levels for Spektrum servos, whilst maintaining the speed characteristics that high-speed applications demand. The servo delivers a maximum torque of 1224.3 oz-in (88.16 kg-cm) at 8.4V, with intermediate ratings of 867 oz-in at 6.0V and 981.75 oz-in at 7.4V, giving you flexibility in performance tuning depending on your power supply choice. The speed rating of 0.14 seconds per 60 degrees at 8.4V ensures rapid response without sacrificing the substantial torque needed for 1/5 scale control authority.
Build quality throughout the S9110BL reflects its professional-grade status. The metal gear train, constructed from hardened alloys, resists the stripping and wear that plastic alternatives suffer under sustained heavy use. The case design incorporates improved support for the gear pins, distributing mechanical stress more evenly across the transmission assembly. The new aluminium top plate isn't merely a cosmetic upgrade; its redesigned bearing house reduces friction in the output shaft assembly, promoting smoother operation and longer service life. The servo operates on high-voltage lithium polymer batteries (6.0V to 8.4V range), typical of modern 2S LiPo setups common in 1/5 scale RC racing. The heavy 18AWG detachable connector reduces voltage drop and improves power delivery, whilst the detachable design simplifies servo replacement and maintenance. Weighing 6.3 ounces (178.6 grams), the servo is substantial yet proportionate to 1/5 scale vehicle requirements. Physical dimensions of 2.47 inches (62.7mm) length, 1.18 inches (30mm) width, and 1.84 inches (27.2mm) height ensure proper fitment in 1/5 scale servo mounts. The ultra-precise deadband specification of less than 1 microsecond delivers the neutral point accuracy necessary for competitive racing, where even tiny steering inconsistencies can affect lap times. Whether racing your 1/5 vehicle on the track or bashing through dunes and natural terrain, this servo provides the performance margin that separates winning from merely competing.
What's in the Box
- SPM S9110BL 1/5 Digital HV High Speed Brushless Metal Gear Surface Servo
- Heavy-duty 18AWG detachable servo connector
- Instruction manual (multilingual)
Frequently Asked Questions
- Is the S9110BL suitable for competitive 1/5 scale buggy racing? — Absolutely. The S9110BL is specifically engineered for competitive 1/5 scale racing and has proven itself at the highest levels, winning the 2020 1/5 Worlds Buggy Class at So Cal Nitro. If you're serious about competing in 1/5 scale racing in the UK or internationally, this servo delivers the speed, torque, and reliability demanded by professional competitors.
- What is the difference between the S9110BL and the S9120BL? — The S9110BL is the high-speed variant, whilst the S9120BL is the high-torque variant. The S9110BL maintains the high-speed performance of previous generations (0.14 seconds per 60 degrees at 8.4V) whilst delivering significantly increased torque of 1224.3 oz-in at 8.4V. The S9120BL prioritises maximum torque at 1454 oz-in at 8.4V, making it ideal for vehicles requiring maximum steering authority. Choose the S9110BL if you prioritise responsive steering and speed; choose the S9120BL if you need maximum turning force.
- What battery does the S9110BL require? — The S9110BL operates on high-voltage LiPo batteries in the 6.0V to 8.4V range, which corresponds to 2S lithium polymer battery packs. Most 1/5 scale RC vehicles use 2S LiPo batteries for powering both the motor and servo, making the S9110BL compatible with standard 1/5 scale setups. Always ensure your battery pack is rated for the current draw of your servo and ESC combination.
- How much torque does the S9110BL produce? — The servo produces 1224.3 oz-in of torque at 8.4V, 981.75 oz-in at 7.4V, and 867 oz-in at 6.0V. This exceptional torque output provides the steering authority needed for 1/5 scale vehicles, delivering nearly 60% more torque than the previous generation whilst maintaining high-speed response. For context, this level of torque is sufficient for the most demanding 1/5 scale racing and bashing applications.
- What makes brushless servo motors better than brushed alternatives? — Brushless motors offer several advantages over brushed designs: they're more efficient, converting more electrical power into mechanical output; they generate less heat, improving reliability during extended use; they require no brush maintenance, eliminating wear and tear; and they deliver superior power density, meaning more torque and speed from a compact package. For serious 1/5 scale racing, brushless is the standard choice.
- Is this servo waterproof? — The product specifications do not list an IP waterproof rating. Whilst the S9110BL is built with metal gears and robust construction suitable for demanding environments, you should avoid submerging the servo and protect it from water spray during operation, particularly in damp or wet conditions. Consider using a protective servo cover or waterproof servo case if operating in wet environments.
- How fast is the S9110BL servo? — The servo operates at 0.14 seconds per 60 degrees at 8.4V. This speed specification indicates how quickly the servo moves from one extreme of its range to the other. At this speed, the S9110BL responds instantly to steering inputs, critical for the rapid directional changes demanded by competitive 1/5 scale racing.
- What is the deadband specification and why does it matter? — Deadband is the zone around the neutral servo position where the servo makes no movement response to control inputs. The S9110BL has a deadband specification of less than 1 microsecond, which is exceptionally tight. Smaller deadband means the servo responds instantly to even minute steering corrections, essential for competitive racing where precision control determines race outcomes.
- Can I use the S9110BL for bashing as well as racing? — Yes. Whilst the S9110BL is certainly capable of competitive racing, its robust metal construction, improved case design, and exceptional durability make it equally suitable for bashing through dunes and rough terrain. The servo's high torque ensures you maintain control even when powering through challenging natural obstacles, making it a versatile choice for serious 1/5 scale enthusiasts.
Why Buy from RC Model Shop?
RC Model Shop is a trusted UK RC retailer and authorised dealer for all the brands we stock, including Traxxas, ARRMA, Losi, FTX, Hobbywing, Spektrum and more. Based in Walsall, we have a physical store where customers are welcome to come in, view products and purchase in store. Whether you are a seasoned competitor, a weekend basher, or just discovering the world of RC for the first time, our team of experienced RC enthusiasts is here to help you find the perfect setup and provide ongoing support. Order the SPM S9110BL 1/5 Speed Metal Servo P-SPMSS9110BL today with confidence, knowing you are buying from an authorised retailer with genuine products, expert knowledge and a commitment to customer satisfaction. Shop online or visit us in Walsall — we look forward to helping you get the most out of your RC experience.
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