Product overview
The MiLeHaoXiangTechnolongy Co.Ltd DLE20RA is a small engine built to power model aircraft. It is sold as a powerplant component, not as a flight platform or airframe. Its 20cm³ displacement comes from a 32mm bore and a 25mm stroke, with a 10.5:1 compression ratio. Rated output is 2.5HP at 9000rpm, and the engine idles at 1750rpm. The fuel is mixed with lubricating oil at a 30:1 ratio. Thrust falls with altitude: it is listed as 6.3kg at 100m and 5.6kg at 1800m.
The weight is listed in three parts: 660g for the main engine, 80g for the exhaust and 140g for the ignition unit. The ignition unit runs on 4.8V to 8.4V. The suitable propeller sizes are 14x10, 15x8, 16x6 and 17x6, and the specified spark plug is the NGK CM6. Together, these figures give the main mass, electrical and propeller details needed to fit the engine into a model aircraft.
Specifications
| Specification | Value & conditions |
|---|---|
| Rated power | 2.5HP at 9000rpm |
| Idle speed | 1750 rpm |
| Thrust at 100m altitude | 6.3kgAt 100 m altitude |
| Thrust at 1800m altitude | 5.6kgAt 1800 m altitude |
| Suitable propeller sizes | 14x10; 15x8; 16x6; 17x6 |
| Spark plug | NGK CM6 |
| Displacement | 20cm³ |
| Bore × stroke | 32mm × 25mm |
| Compression ratio | 10.5:1 |
| Lubrication ratio | 30:1 |
| Main engine weight | 660gMain engine only |
| Exhaust weight | 80gExhaust only |
| Ignition unit weight | 140gIgnition unit only |
| Ignition unit voltage | 4.8V - 8.4V |
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