Engine GP42 ABC for airplanes by Thunder Tiger corp.
Item No.9041
[2-stroke]
Specification Displacement(c.c. / cu.in.)     6.90 c.c. / .421 cu.in.
Bore(mm / in.)     21.5 mm / 0.846 in.
Stroke(mm / in.)     19.0 mm / 0.748 in.
Practical R.P.M.(R.P.M.)     2,000 ~ 15,000 rpm
Output(BHP/RPM)     1.10 BHP / 14,000 RPM
Weight(g/oz)     357.2 g / 12.60 oz
Content

1. GP-42 engine x 1 EA 2. Carburetor assembly with 2 mounting bolts 3. Muffler assembly x 1 EA 4. REDLINE R2 glow plug x 1 EA 5. Instructional manual x 1 EA 6. TT logo sticker x 1 EA
Introduction

The GP-42 engine is equipped with maintenance-free bronze bushings, Schnuerle porting, a special ABN type piston and cylinder sleeve, an easily adjusted air bleed carburetor, and a safe angular needle valve. The GP-42 engine has been specifically-designed to suit both beginners and experienced modelers.
Features

Designed for sport airplane use
One-piece crankcase structure
Bronze bushing support for easier maintenance
Air bleed carburetor design for easier adjustments
Aluminum piston with Nickel-plated brass cylinder liner
Swept back needle valve for added safety during adjustment
Forward side exhaust port
Side exhaust
3-chamber muffler included
Redline R2 glow plug included