The Evolution® 15GX and 20GX engines now feature a pumped-carburetor for greater reliability and ease of installation. The new carburetor design utilizes crankcase pressure to make fuel flow uniform and consistent regardless of fuel tank location and makes needle valve adjustment easier. The purpose-built carb is easy to use and offers outstanding operation that will get pilots in the air in no time, allowing them to enjoy the added benefits of enhanced reliability and the economical operation of gasoline.
• Pumped-carburetor for greater reliability and ease of installation
• Muffler included: One piece torpedo style muffler on 15GX and Wraparound In-Cowl muffler on 20GX
• Reliable fuel system—easy to tune and efficient
• Outstanding power and performance for demanding RC pilots
• Lightweight construction based on the Evolution® .91NX and 1.20NX glow engine
• Standard size beam mount allows for traditional mounting
• Gasoline fuel delivers low operational cost and simplicity
• Outstanding power and performance for demanding RC pilots
• 2S Li-Po battery compatible ignition without a regulator provides long run times
• Lightweight electronic ignition provides easy starts and superior reliability
• Single prop nut attachment convenience
• Supplied with fuel tubing and filters that handle gasoline and the high operating temperatures of a gasoline engine
Evolution 15GX
Type: 2-stroke Airplane
Fuel Type: Gas
Displacement: 15cc (0.91 cu in)
Bore: 1.10 in (28.0 mm)
Stroke: 0.98 in (24.8 mm)
Cylinder Type: Ringed/Steel Liner
Plug Type: ¼ -32
Total Weight: 31.3 oz (890 g)
Engine (only) Weight: 21.7 oz (616 g)
Muffler Weight: 6.1 oz (175 g)
Ignition Weight: 3.5 oz (100 g)
Crankshaft Thread: 5/16 x 24
Propeller Range: 13 x 6 – 15 x 6
RPM Range: 1600-10400 rpm
Recommended Fuel: 87-91 octane
Oil Type and Content: Synthetic 20:1(break-in)
Muffler Type: One Piece Torpedo Style (included)
Evolution 20GX
Type: 2-stroke Airplane
Fuel Type: Gas
Displacement: 20cc (1.20 cu in)
Bore: 1.20 in (30.5 mm)
Stroke: 1.10 in (27.9 mm)
Cylinder Type: Ringed/Steel Liner
Plug Type: ¼ -32
Total Weight: 33.9 oz (961 g)
Engine (only) Weight: 25.2 oz (714 g)
Muffler Weight: 5.2 oz (148 g)
Ignition Weight: 3.5 oz (100 g)
Crankshaft Thread: 5/16 x 24
Propeller Range: 15 x 6 – 17 x 8
RPM Range: 1800-10000 rpm
Recommended Fuel: 87-91 octane
Oil Type and Content: Synthetic 20:1(break-in)
Muffler Type: Wraparound in-cowl (included)