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.
SPIN 125 PRO OPTO
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Contact RC-MODEL for current availability, technical fit, compatible accessories and a formal quote.
SPIN 125 PRO OPTO
SPIN 125 PRO OPTO is a professional Master Spin Pro Opto item from JETI model s.r.o., prepared for the RC-MODEL catalog with customer-facing information, official product imagery, structured specifications and no storefront supplier pricing.
Recommended use
This product is relevant for RC builders and pilots looking for master spin pro opto, replacement parts, upgrades or setup components. Use it when planning a new model build, maintaining an existing aircraft, boat or radio system, or comparing compatible electronic and power-system parts.
What to check before ordering
Confirm the physical dimensions, weight, voltage, current rating, connector style, shaft size, cell count, propeller range and installation space against your model. RC-MODEL can help verify compatibility when you provide the model name and part number.
Key details
- Operating range [Cells]: 4-12
- Voltage range [V]: 12-50
- Permanent current [A]: 125
- Dimensions LxBxH [mm]: 95x55x26
- Weight with cables [g]/[oz]: 166
- Settings: Jetibox
- Helicopter Mode: Ja
- Connectors Includet: 3 x 4mm
- Cable to motor [mm²]: 4
- Cable to battery [mm²]: 6
- Manufacturer: JETI model s.r.o.
- Product Type: Master Spin Pro Opto
- SKU: 51007010
The Spin Pro series offers advanced programming features, such as To "Auto-timing" and the direct programming of the batteryvoltage to all accu types and battery requirements. Furthermore, an additional transfer of real telemetry functions on the Jeti Duplex system is possible (engine RPM, battery voltage, temperature control, fault diagnosis). Note: no Duplex EX telemetry, i.e. display of these values "only" in the JetiBox mode of the JETI Duplex DC/DS transmitters and the JetiBox Profi. Tecnic
Reference SKU/model: JSP-125-O. Mention this reference when contacting RC-MODEL for availability or fitment support.
Relevant RC Academy guides
Learn before you buy
These guides explain the setup, safety checks and accessory choices that usually matter for this product type.
Servo selection: torque, speed, gears and voltage
How to select servos for trainers, sport aircraft, large models, cars and boats without under-sizing a control surface.
How to balance an RC aircraft and find the correct CG
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.
Mandatory pre-flight checks for safer RC flying
A repeatable inspection routine for control direction, radio range, failsafe, battery, fasteners, propeller, CG and field readiness.
How to perform the first test flight of an RC aircraft
Ground checks, takeoff planning, trim passes, battery timing and first landing strategy for a new or repaired RC aircraft.
| Technical Specifications | |
| Manufacturer | JETI model s.r.o. |
| Product Type | Master Spin Pro Opto |
| SKU | 51007010 |
| Availability | In stock |
| MPN | JSP-125-O |
| Operating range [Cells] | 4-12 |
| Permanent current [A] | 125 |
| Dimensions LxBxH [mm] | 95x55x26 |
| Weight with cables [g]/[oz] | 166 |
| Settings | Jetibox |
| Voltage range [V] | 12-50 |
| Helicopter Mode | Ja |
| Cable to motor [mm²] | 4 |
| Cable to battery [mm²] | 6 |
| Connectors Includet | 3 x 4mm |
Tags: JETI model s.r.o., SPIN 125 PRO OPTO, Engines & Power, ESCs & Speed Controls, MasterSpin Pro, Master Spin Pro Opto