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.
A179 42g High-Voltage Metal-Geared Digital Servo, 375mm Lead 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.
A179 42g High-Voltage Metal-Geared Digital Servo, 375mm Lead fits customers looking for Spektrum items in Spektrum Catalog, Spektrum Servos, Spektrum Standard Servos, with RC-MODEL support for choosing the right configuration.
A179 42g High-Voltage Metal-Geared Digital Servo, 375mm Lead 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 | SPMSA179 |
| Spektrum Category | Airplanes / Radio Systems / Servos |
| Product Family | Spektrum servo range |
| Application | Airplane |
| Compatibility Focus | Check model fit, connector type, voltage range and Spektrum protocol compatibility before ordering. |
| Product Weight | 42g |
| Bearing | Yes |
| Gear Type | Metal |
| Servo Operating Voltage | 6.0 - 8.4V (HV) |
| Servo Size Category | Mini |
| Servo Type | Digital |
| Spline Count | 25 - Tooth |
| Torque | 170 oz-in (22kg-cm) @ 8.4V; 150oz-in (19 kg-cm) @ 7.4V; 110 oz-in (15 kg-cm) @ 6.0V |
| Connector Wire Length | 8.66" (220 mm) |
| Maximum Servo Speed | Speed: 0.08 sec/60 deg @ 8.4V; 0.09 sec/60 deg @7.4V; 0.11 sec/60 deg @6.0V |
Tags: Spektrum, SPMSA179, Spektrum servo range, Spektrum Catalog, Spektrum Servos, Spektrum Standard Servos, Spektrum Aircraft Electronics, RC-MODEL
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