Thunder Tiger Pro 40 BB ABN With Muffler

The PRO engines are equipped with twin ball bearings, Schnuerle porting, twin needles and ringed piston and cylinder that provides years of trouble-free performance.

Specification:
Displacement: 0.398 cu in (6.52 cc)
Bore: 0.823 in (20.9 mm)
Stroke: 0.748 in (19.0 mm)
Crankshaft: UNF 1/4 / 28
Practical RPM: 2,000 - 17,000
Output: 1.22 hp @ 16,000 RPM
Weight w/o muffler: 16.03 oz (454 g)

All Thunder Tiger engines have been designed to combine high performance with easy handling and maintenance using CAD computer technology, resulting in consistent high quality and reliability. Featuring aerospace-quality ball bearings to properly support the crankshaft at high RPM.

The Pro series are manufactured by automated computer-controlled machinery, resulting in a product that looks and performs better. Forged aluminum connecting rod with dual bushings connects it all together, and a unique "square" cylinder head design has more surface area than conventional engines, allowing for cooler runs. Precision air bleed carburetor makes adjustments simple, and efficient mufflers keep things quiet at the field.

Features

• Top grade CNC equipment, state-of-the-art technology are used in the PRO series
• Improved carburetor; swept back for safety, which makes adjustments simpler
• Forged aluminum connecting rod with dual bushings connects it all together
• Unique "square" cylinder head design has more surface area than conventional engines
• Improved quality; ISO9001 Certified which guarantees the maximum power and performance
• Smooth running and long lasting power plant with front and rear ball bearings
• Designed for both beginners and experienced modelers