Do you have a question about the ULPOWER UL260i and is the answer not in the manual?
Discusses manual's images, specifications, and conversions.
ULPower's policy on product improvements and changes.
Importance of engine serial number for inquiries.
Explains symbols used to emphasize important information.
Overview of engine features: 4-stroke, 4-cylinder, opposed, EFI, etc.
Technical data including displacement, bore, stroke, power, weight.
Lists engine assembly components and necessary external items.
Diagrams illustrating engine dimensions and layout from different perspectives.
Explains oil circulation, filtration, and cooling.
Describes fuel flow from tank to injectors and pressure regulation.
Details the ECU, injection, ignition, and RPM limiter functions.
Describes air cooling of cylinders and heads, and oil cooling.
Lists maximum, recommended, and idle engine speeds.
Recommendations for new engine break-in period.
Power ratings for UL260i and UL260iS under ISA conditions.
Limit for zero gravity and negative 'g' conditions.
Operating ranges for oil pressure (min, normal, max).
Specifies maximum and minimum oil quantities in litres and quarts.
Defines acceptable oil temperature ranges (min, normal, max).
Specifies operating limits for cylinder head temperatures.
Operating limits for intake air temperature.
Operating limits for ambient air temperature.
Defines acceptable fuel pressure ranges and its effect.
Lubrication system limit for flight maneuvers.
Minimum voltage requirement for engine operation.
Shows power and torque curves for UL260i and UL260iS.
Specifies recommended fuel types, octane ratings, and AVGAS usage.
Recommends oil types and provides usage cautions for synthetic oils.
Procedures for pre-flight inspection, including warnings.
Step-by-step guide for starting the engine, including checks and precautions.
Covers warming up, idle speed, throttle response, and ignition tests.
Procedures for take-off and climb, including power limits.
Guidelines for engine operation during cruise flight, including oil temperature.
Procedures for safely stopping the engine after flight.
Troubleshooting steps for ignition system issues.
Procedures for handling unexpected engine stoppages and checks before restart.
Response to reaching the engine RPM limiter.
Actions for high CHT, including precautionary landing.
Actions for high oil temperature, including precautionary landing.
Actions for low oil pressure, including immediate stop and checks.
Actions for high oil pressure, including immediate stop and checks.
Troubleshooting fuel pressure issues and their effect on mixture.
Diagnosing issues when cylinder temperatures drop unexpectedly.
Causes and actions for engine knocking, including fuel type checks.
Managing low battery conditions and reducing electrical load.