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AeroConversions AeroVee Engine



The AeroConversions Aerovee Engine is a kit-built horizontally opposed piston engine for homebuilt aircraft based on the Volkswagen air-cooled engine, first run in 2002.

The AeroVee engine is manufactured and marketed by AeroConversions, a part of Sonex Aircraft.


The AeroVee 2.1 is a complete VW Conversion Engine Kit Package, by AeroConversions. The AeroVee 2.1 package is a 2180 cc, 80 hp Aero-Engine that can be run on AvGas or Auto Fuel. All of the supplied components are brand-new, zero-time parts.
The AeroVee comes as a complete kit for self-assembly in approximately 12 hours, with the aid of an AeroVee Assembly and Installation Manual and an instructional DVD. The AeroVee DVD was available for purchase separate from the engine kit for those who wish to preview the project.
The AeroVee features dual ignition, using two spark plugs per cylinder and including four independent, solid-state ignition modules, all driven directly off the crankshaft/flywheel assembly. The AeroConversions secondary electronic ignition provides extremely reliable starting under the toughest conditions, while adding "dual-plus" ignition reliability by completing the AeroVee's quadruple-redundent ignition system.
The AeroVee engine kit includes the AeroConversions ACV-CO7S (32mm) AeroInjector, providing maximized power and optimized fuel economy in a simple, reliable carburetor design.
AeroVee 2.1 Engine Kit
Features are;
A low-profile design for low-drag and streamlined cowl installations;
A shrink-fit prop hub with rounded keyway. Prop Hub/Crankshaft Assembly available Pre-Assembled as an optional kit upgrade;
Prop Hub Bolt Pattern
Light-weight aluminum Flywheel incorporates starter gear, 20 Amp alternator, and primary ignition magnet;
3 piece Intake Manifold including billeted aluminum Intake Elbows and stainless steel "V" Tube;
Aftermarket racing core parts, forged and nitrided wherever possible;
Zinc-plated steel parts and hardware for improved corrosion resistance
AeroVee-specific Sky-Tec "Flyweight" geared electric Starter.
Mount Bushings included with AeroVee Engine Kit.

Unit cost: $6,995 (2011)

AeroVee 2.1
Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
Bore: 92mm
Stroke: 82mm
Displacement: 2180cc
Length: 24.25 inches
Width: 30 inches
Height: 21.875 inches
Dry weight: 152 lbs (Equipped with Nikasil Cylinders)
Power output: 80hp @ 3400rpm
Compression ratio: 8.0:1 with Avgas 7.0:1 with autogas


Continuous Horsepower: 80 hp @ 3400 RPM
Bore: 92 mm
Stroke: 82 mm
Displacement: 2180 cc
Compression Ratio: 8.0:1 for AvGas
7.0:1 for Auto Fuel
Oil Capacity: 2.75 US Quarts
Oil Type: SAE Multigrade 20/50 Conventional or Semi-Synthetic:
Firing Order: 1-4-3-2
Spark Plugs: Autolite MP4163 or equivalent
Carburetor: AeroInjector ACV-C07S
Starter: SkyTec Geared Starter
Alternator Output: 20 Amp
Weight: 160 lbs less oil and exhaust
Propeller Drive: 1:1
Prop Bolt Pattern: Qty 6, 5/16" diameter @ 4" Center
Prop Drive Bushings: 9/16" diameter x 7/16" long
Battery Required: 12v @ 20 Amp
Idle RPM: 700-900
Cruise RPM: 3200 +/- 200
Maximum RPM:4000
Oil Temp Min: 160 degrees F
Oil Temp Max: 230 degrees F
Oil Pressure Min: 10 psi
Oil Pressure Max: 100 psi
Oil Pressure @ Cruise: 40-50 psi
CHT @ Cruise: 350-375 degrees F
CHT @ Climb (5 min): 420 degrees F
CHT Max: 450 degrees F
EGT Max: 1400 degrees F








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