Thunder Tiger 9606 RL .53H Ringed

This is the RL-53H Ringed Redline Series Two Stroke Helicopter Engine from Thunder Tiger.

Features

• Thunder Tiger 9606 RL .53H Ringed

• CNC construction low profile cylinder head, anodized red in color

• Fixed type two-needle carburetor with two mounting bolts, push/pull throttle lever and heat insulator for consistent performance under different flying conditions and cowl enclosures

• Lightened hypereutectic machined Al-Si ringed type piston

• XC2 (extreme composite) cylinder liner coating with a criss-cross pattern etched on the sleeve wall

• Knife-edged high-strength connecting rod with bushings

• Redline R3 glowplug with platinum alloy filament

• Reinforced resin rear cage ball bearing support

• Three year limited warranty through Hobby Services beginning at date of purchase

Specifications

• Displacement: 0.529 cu in (8.27 cc)

• Bore: 0.886" (22.5mm)

• Stroke: 0.858" (21.8mm)

• Practical RPM: 2,000 - 21,000

• Output: 2.1 BHP/17,000 RPM

• Weight: 13.40oz (380g)

• Carburetor Settings;

• Needle Valve: Three turns from closed position

• Mixture Metering Screw: 1/12 - 1/8 turn counter-clockwise

• Distance/top of cylinder head-bottom of mounting tabs: 3.1" (80mm)

• Distance/top of cylinder head-bottom of crankcase: 3.5" (88.5mm)

• Distance between mounting holes same side: 0.71" (18mm)

• Distance between mounting holes opposite side: 1.7" (44mm)

• Cylinder head width: 1.7" (44mm)

• Width at mounting tabs: 2.05" (52mm)

• Width of crankcase below mounting tabs: 1.38" (35mm)

• Center of engine to front bearing: 2.04" (51.7mm)

• Backplate to front bearing: 3" (76.2mm)

• Crankshaft size: 1/4-28 UNF

Package Contents

• RL-53H Helicopter Engine with Redline R3 Glowplug, 2.5 & 3mm hex wrenches, two head shims, box wrench and instruction manual

Requirements

• Fuel: Heli blend with 10-30% nitromethane and 20% lubricant content

• Glow starter, plug wrench and field equipment

Comments

• N/A.