A 2 cylinder powerhouse for 40% aerobatic planes ! Well proven, with ample power for Unlimited aerobatic competition.

All engines come with ignition, prop washer, and prop bolts. 

Mufflers ARE included.

Specifications

• Displacement: 10.48 ci (171.8 cc)
• Weight: 7.85 lbs (3.56 kilos)
• Bore: 2.0472 in (52 mm)
• Stroke: 1.594 in (40.49 mm)
• Length: 7.67 in (195 mm)
• RPM Range: 1,100 to 6,500
• RPM Max: 9,200
• Fuel Consumption: 4 oz/min @ 6,000 RPM
• Warranty: Three year
• Bolt Circle: 34mm
• Prop Bolt: (6) 6mm

Features

• Three crank bearings,with long spacing between front bearings.
• Four petal reed valve, bottom induction.
• Desert Aircraft, auto advance, electronic ignition.
• Walbro Carburator
• Exclusive Desert Aircraft designed cylinders, pistons, and crankshaft.
• CNC milled, 7075 aluminum alloy crankcase.
• Low vibration.
• Long rod to stroke ratio.
• Aerobatic power curve.

• The ignition can be powered directly by 4 or 5 cell 4.8 or 6 volt NiCd/NiMH batteries, or 6.6 volt A123/LiFe batteries. If using batteries rated at more than 6.6 volts, a 5.5 or 6 volt regulator must be used. Higher voltage will damage the ignition system and will void the warranty. 

DA Recommends a high quality synthetic oil. Some oils  Desert Aircraft recommends are: Red-line Two Stroke Racing Oil (40 to 1), Motul 800 (50 to 1), and Stihl HP Ultra (50 to 1).

Prop bolt: The DA170 uses 6mm prop bolts. Torque to 110 in. lbs. for wood props , 130 in. lbs. for carbon 

Recommended Props

2-Blades

• 30x13
• 31x12
• 32x10
• 32x11
• 32x12

3-Blades

• 28.5x12
• 29x12N