RUDDOG RNX21.3 3.5ccm Nitro Off-Road Competition Engine

From RUDDOG:
The RNX21.3 is RUDDOG Distribution’s first high-performance nitro off-road engine. The high-quality 3.5cc competition engine features as specially developed crankcase for exceptional performance and great fuel economy with a rear ceramic main bearing and a DLC-coated and Tungsten-balanced crankshaft ensuring very high power output and reliable performance. The engine is of a 3+1 port long-stroke design for high yet controllable torque especially in the lower RPM ranges, making it ideal especially for smaller or technical tracks. Other features include a 22D carburetor for smooth throttle response and high fuel economy while an O-ring equipped combustion camber insert keeps dust away from the delicate parts of the engine. The engine is rounded out by a gold-colour cooling head whose standard height allows to run the engine leaner, extracting ever greater milleage from the engine.

Features:

• Standard height cooling head for exceptional heat dissipation
• Specially developed crankcase for high performance and improved milleage
• 3+1 port design for high torque in the low to mid RPM range
• Tungsten-balanced and DLC-coated crankshaft
• Ceramic main bearing
• 3-needle carburettor
• 6.0mm and 6.5mm venturi insert included
• Including engine storage bag

Specifications:

Displacement: 3.49cc
Bore: 16.27mm
Stroke: 16.80mm
Ports: 3+1
Carburettor: Sliding
Power output: 2.68PS @ 34,000RPM
RPM range: 4,000 – 42,000RPM
Weight: 352g

# RP-0300 – 389,99 €
RUDDOG is distributed in the US by AMain Hobbies.
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