Water/Oil Sensor For Fly Meter
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Fly Henry Threaded Water / Oil Temperature Sensor
Engineered specifically for Powered Paragliders (PPG), Microlights, and Ultralight (ULL) aircraft, this threaded brass probe provides real-time, direct-immersion monitoring of engine coolant or oil temperatures. Built to pair directly with the Fly Henry Fly Meter, it is available in M6, M8, or M10 thread pitches to match your cylinder head, water pump, or engine gallery tap points.
Thread Size Selection Guide
Select the correct thread diameter above to fit your engine tap point or inline hose adapter:
| Thread Size | Typical Location | Common Engine Applications |
|---|---|---|
| M6 × 1.0 | Cylinder head bleed port, compact inline hose union, or reduction box | Vittorazi Moster 185 (Water-Cooled), Polini Thor 80/130, compact 2-strokes |
| M8 × 1.0 | Cylinder head probe boss, oil passage, or aluminium radiator hose T-piece | Polini Thor 190/200/250, Corsair Black Devil liquid-cooled conversions |
| M10 × 1.0 | Thermostat body, primary water pump housing, or engine sump port | Rotax 582, Simonini Mini 2+ liquid-cooled, Hirth, and larger aircraft engines |
Engineering & Reliability Features
Purpose-built for harsh aeromotor thermal and vibration environments:
Direct Immersion Sensing
The turned brass housing places the internal thermal probe directly into the liquid flow, delivering immediate temperature feedback to detect radiator airlocks or oil breakdown before thermal damage occurs.
Fly Meter Plug-and-Play
Connects straight to the dedicated 0–125°C water/oil channel on the Fly Henry Fly Meter. Select the factory Fly Henry preset in the menu for instant, calibrated readouts with no manual resistance entry.
Integrated Sealing Shoulder
Features a machined hexagonal body with an integrated sealing flange, ensuring reliable compression against copper, aluminium, or dowty washers for a leak-free fit under pressurized systems.
Fluid-Proof Wiring
The outer protective sheath resists glycol mixtures, synthetic 2-stroke oils, and aviation fuels, maintaining its flexibility and mechanical integrity despite constant engine compartment vibration.
Technical Specifications
| Sensor Architecture | Threaded direct-immersion fluid temperature probe |
| Available Thread Sizes | M6 × 1.0 • M8 × 1.0 • M10 × 1.0 metric threads |
| Measurement Range | 0°C to 125°C (32°F to 257°F) continuous |
| Housing Material | Solid turned brass with machined hexagonal body and sealing face |
| Instrument Compatibility | Fly Henry Fly Meter (Dedicated Fluid Channel) & compatible EIS units |
| Measured Media | Engine coolant, radiator water, gearbox oil, sump oil |
| Target Aircraft | Paramotors (PPG), Microlights, Trikes, and Ultralight (ULL) aircraft |
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Technical Inquiry for Water/Oil Sensor For Fly Meter
Confirm wiring loom compatibility, panel depths, or kit lead times with our engineering team.