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RC Airplane Engine
S08519210
Remote-controlled 120 AX engine
The OS MAX 120 AX RING is a powerful two-stroke engine equipped with a crankshaft and a piston with a ring, mounted on two ball bearings, perfectly suited for competition sport and aerobatic models.
It features a 70D dual needle carburetor with the main needle positioned towards the rear for safe engine adjustment while running.
The basic set also includes a highly efficient E-5020 type expansion muffler (Power Box).
The exhaust outlet orientation can be changed by rotating the rear of the muffler by 90 degrees.
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€269.95
€259.95
VAT included
Remote-controlled 120 AX engine
Plus de detailsRemote-controlled 120 AX engine
€259.95
€269.95
Fast shipping Via Chronopost 24H Via DPD 24/48H Colissimo 48/72H
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4.6/5
★ ★ ★ ★ ★
Specialist since 1955 Identical dimensions to the classic OS MAX 91FX but with 20% more power.
The crankshaft has a thread for a UNF 5/16-24 propeller nut.
Recommended propellers: sport and aerobatics: 15x10", 15x12", 16x8", 16x10".
Recommended tank: 450 to 500 ml; a 450 ml tank allows approximately 10 to 12 minutes of aerobatics, provided you do not fly continuously at full throttle.
Recommended fuel: minimum 18% castor oil or synthetic oil (or mixture), 5 to 20% nitromethane.
Recommended spark plug: OS MAX #8 or #10 with a higher nitro content.
The engine set includes: OS MAX 120 AX RING engine with RC 70D carburetor, E-5020 type muffler, main needle extension, #8 spark plug, manual.
Technical Specifications
- Displacement: 19.96 cc
- Approximate power: 3.1 HP at 9,000 rpm
- Speed range: 1,800 – 9,500 rpm
- Bore: 30.4 mm
- Stroke: 27.5 mm
- Total weight: 892 g
- Carburetor: 70D
- Shaft thread: 5/16"-24 UNF
- Weight: 647 g
- Length to hub: approx. 100.2 mm
- Width: approx. 67 mm
- Height: approx. 109.2 mm
- Mounting hole spacing: 25.0 mm (length) / 58 mm (width)
- Fixing hole diameter: 3.2 mm
- Recommended propellers: 15x10", 15x12", 16x8", 16x10"
- Motor use
- Planes
- Engine displacement
- 2 stages 16cc & +
- Engines
- Thermal
- Level of use/difficulty
- Thermal
- Product types
- Motors and variators for radio -controlled models
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