This is the Thunder Tiger Pro 1.20 2-Stroke Model Airplane Engine with Muffler.:
Product Features
- CNC machined construction for precise tolerances.:
- Front and rear ball bearing supported crankshaft with Ni plating t reduce corrosion.:
- ABN piston and cylinder Aluminum piston with Brass cylinde liner that is Nickel plated.:
- Dual needle valve carburetor.:
- Forged aluminum connecting rod with dual bushings.:
- Schnuerle-boost combustion porting.:
- Three year limited warranty through Hobby Services beginning at dat of purchase.:
Product Specifications
- Displacement: 1.20 cu in (20.76cc):
- Bore: 1.22 (31mm):
- Stroke: 1.083 (27.5mm):
- Practical RPM: 1800 - 15,000:
- Output: 3.5 HP @ 14,000 rpm:
- Weight: 35.5oz (1006g) without muffler:
- Crankshaft Size: UNF 5/16-24:
What's Included Thunder Tiger Pro 1.20 2-Stroke Engine with carburetor, 1.5mm, 2.5mm and 3mm hex wrenches, muffler, muffler extension, pressure tap, muffler mounting hardware, decals and instruction manual
Required
- Fuel: 18% lubricant and 5-15% nitro content, synthetic/castor blend lubricant recommended (do not use more than 10% nitro content for break in)
- Propeller: Break-in: 14x8, 15x8 normal use:
- Glow starter, plug wrench and field equipment:
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Manufacturer Comments - Carburetor Settings-NOTE carburetor is preset from the factory and requires only small adjustments Needle Valve: 2 - 2-1/2 turns counterclockwise from closed Idle Mixture Adjustment: After setting needle valve, 30° clockwise if mixture is too rich or 30° counter-clockwise if mixture is too lean-never turn more than 30° at a time or one full turn total:
- Length of Muffler Extension: 1.4 (35mm) Height from Mounting Tab Bottom/Top Cylinder Head: 3.66 (93mm) Height from Crankcase Bottom to Top of Cylinder Head: 4.63 (117.5mm) Width at Mounting Tabs: 2.75 (70mm) Width of Crankcase below Mounting Tabs: 1.8 (47.2mm) Center of Mounting Holes Same Side: 1.2 (30mm) Center of Mounting Holes Opposite Side: 2.32 (59mm) Center of Crankcase to Drive Washer: 2.93 (74.4mm) Distance from Backplate Screw to Drive Washer: 4.18 (106.2mm):
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