O.S. GT15 15cc Gas 2-Cycle Airplane Engine w/Muffler

The O.S. GT15 15cc Gas 2-Cycle Airplane Engine is the smallest offering in the OS Engines gasoline engine line. It weighs only 904g and cranks out over 2 horsepower and 15,000 rpm! Plus, its compact enough to fit in most airplanes that require a 2-stroke 61-size or 4-stroke 91-size engine. The carburetor design is made specifically for this engine. Set also includes an ignition module.

Features:

• Offers power equivalent to a .90 4-stroke or .60 2-stroke glow engine, with the superior fuel economy advantages of gasoline
• Features the same mounting pattern as the 65AX
• Specially designed O.S. carb makes tuning a breeze and delivers excellent throttle response
• Comes equipped with a regulator and pump for superior fuel delivery consistency
• Includes the Power Box™ muffler, designed with more volume for increased power while still being very compact
• Roller bearing on the large end of the conrod allows for 50:1 fuel/oil mixture
• Includes the compact IG-06 ignition module and mini spark plug
• Requires OSM71905200 engine mount

Specifications:
Bore: 1.091″ (27.7mm)
Carb Type: Rotary
Length: 4.2″ (106.2mm) from pump to front bearing
Total Weight: 32 oz (904 g)
Recommended Fuel: 87 – 93 octane gasoline
Muffler Type: 2-piece aluminum
Muffler Weight: 6.28 oz (178 g)
Starter Type: Hand Held Starter
Cylinder: Single
RPM Range: 2,000 – 15,000
Height: 4.3″ (109mm) from crankcase bottom to top of cylinder head
Crankshaft Type: Threaded
HP: 2.4 PS, 2.37 HP @ 15,000RPM
Ignition Weight: 3.35 oz (95 g)
Plug Type: CM6
Crankshaft Threads: UNF5/16-24
Width: 2.4″ (61mm) at mounting tabs
Displacement: 0.912 cu in (14.95 cc)
Oil Type & Content: 2-cycle oil at 30:1 – 50:1 mix ratio
Prop Range: 13 x 8-11 – 15×8
Engine (Only) Weight: 22.26 oz (631 g)
Stroke: 0.976 (24.8mm)

This product is expected to become available for purchase on Wednesday, June 1, 2022