How to assemble an ARF RC aircraft step by step
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
A7090 Brushless Low Profile Metal Gear HV Servo is an RC product from Spektrum. This page focuses on what an end customer needs: fit, use cases, specifications and imagery, without prices or outbound supplier detours.
A7090 Brushless Low Profile Metal Gear HV Servo fits customers looking for Spektrum items in Spektrum Catalog, Spektrum Servos, Spektrum Standard Servos, with RC-MODEL support for choosing the right configuration.
A7090 Brushless Low Profile Metal Gear HV Servo is a Spektrum product intended for aircraft, helicopter, sailplane or multirotor radio installations where reliable control and setup clarity matter. This page presents the practical buying information a customer needs before ordering: fit, SKU, image, category, specifications and usage advantages.
The content is written for purchasing through RC-MODEL, without supplier prices or links to competing stores.
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
A general ARF assembly workflow for many aircraft: dry fit, hinges, servo installation, power setup, CG, control checks and first-flight preparation.
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
One of the most important setup guides: find the CG, install the flight battery, balance the aircraft and avoid nose-heavy or tail-heavy surprises.
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | Spektrum |
| Brand | Spektrum |
| Product Code | SPMSA7090 |
| Spektrum Category | Radios / Aircraft / Servos |
| Connector Type | Universal |
| Product Family | Spektrum servo range |
| Application | Airplane |
| Compatibility Focus | Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering. |
| Input Voltage | 4.8V-8.4V |
| Product Height | 0.99" (25 mm) |
| Product Length | 1.6" (41 mm) |
| Product Weight | 1.8 oz (50g) |
| Product Width | 0.81" (21 mm) |
| Programmable | No |
| Bearing | Dual BB |
| Gear Type | Metal |
| Servo Operating Voltage | 4.8 - 8.4V (HV) |
| Servo Size Category | Low Profile |
| Servo Type | Digital |
| Spline Count | 23 - Tooth |
| Motor Type | Brushless |
| Overload Protection | No |
| Water-Resistant | No |
| Product Application | Air |
| Prop 65 | California Residents Prop 65 WARNINGS. |
| Maximum Servo Speed | 0.17 sec/60 deg @ 6.0V; 0.091 sec/60 deg @ 7.4V; 0.068 sec/60 deg @ 8.4V |
| Bushing Or Bearing | Bearing |
| Maximum Servo Torque | 205 oz-in (14.76kg-cm) @ 6.0V; 215 oz-in (15.5kg-cm) @ 7.4V; 250 oz-in (18kg-cm) @ 8.4V |
| Deadband | < 1µs |
Tags: Spektrum, SPMSA7090, Spektrum servo range, Spektrum Catalog, Spektrum Servos, Spektrum Standard Servos, Spektrum Aircraft Electronics, RC-MODEL
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