The Lycoming TIO-541 engine is a

turbocharged In an internal combustion engine, a turbocharger (often called a turbo) is a forced induction device that is powered by the flow of exhaust gases. It uses this energy to compress the intake gas, forcing more air into the engine in order to pro ...

, fuel-injected,

horizontally opposed A flat engine is a piston engine where the cylinders are located on either side of a central crankshaft. Flat engines are also known as horizontally opposed engines, however this is distinct from the less common opposed-piston engine design, wh ...

, six-cylinder aircraft engine featuring three cylinders per side, manufactured by

Lycoming Engines Lycoming Engines is a major American manufacturer of aircraft engines. With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certi ...

. The TIO-541 family of engines includes the TIGO-541 turbocharged, fuel-injected, geared, horizontally opposed engine. There is no carburetted, non-turbocharged version of the engine, which would have been designated O-541 and therefore the base model is the TIO-541.

Design and development

The TIO-541 family of engines covers a range from to . The engine has a

fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All comp ...

system which meters fuel in proportion to the induction airflow. The engine has a displacement of 541.5 cubic inches (8.87 litres) and produces a maximum of in its TIGO-541 version. The cylinders have air-cooled

heads A head is the part of an organism which usually includes the ears, brain, forehead, cheeks, chin, eyes, nose, and mouth, each of which aid in various sensory functions such as sight, hearing, smell, and taste. Some very simple animals may no ...

. The first TIO-541-A1A was type certified on 23 February 1965 on the regulatory basis of CAR 13 effective 15 June 1956 as amended to 13-1 through 13-4.

Variants

;TIO-541-A1A :Six-cylinder, turbocharged, fuel-injected, engine, dry weight , AiResearch T-1823 turbosupercharger, certified 23 February 1965. Has top induction, down exhaust and side-mounted accessory drives. Provisions for a single-acting, controllable-pitch propeller and internal piston cooling oil jets. ;TIO-541-E1A4 :Six-cylinder, turbocharged, fuel-injected, engine, dry weight , AiResearch T-1823 turbosupercharger, certified 16 December 1966. Similar to the -A1A but with higher horsepower rating, different cylinder heads, cam shaft, crankshaft and extra counterweights. Incorporates cabin pressurization venturi. ;TIO-541-E1B4 :Six-cylinder, turbocharged, fuel-injected, engine, dry weight , AiResearch T-1823 turbosupercharger, certified 16 December 1966. Similar to the -E1A4 but without the cabin pressurization venturi. ;TIO-541-E1C4 :Six-cylinder, turbocharged, fuel-injected, engine, dry weight , AiResearch T-1879 turbosupercharger, certified 21 October 1969. Similar to the -E1A4 but with a different turbosupercharger with cast bracket, cast transition and a separate wastegate. ;TIO-541-E1D4 :Six-cylinder, turbocharged, fuel-injected, engine, dry weight , AiResearch T-1879 turbosupercharger, certified 21 October 1969. Similar to the -E1B4 but with a different turbosupercharger with cast bracket, cast transition and a separate wastegate. ;TIGO-541-B1A :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-1879 turbosupercharger, certified 12 February 1970. Similar to the -C1A but with a higher power rating and without provisions for cabin bleed air. ;TIGO-541-C1A :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-1879 turbosupercharger, certified 19 November 1968. Has internal piston cooling oil jets, side-mounted accessory drives and a single oil supply from the propeller governor. Provisions for a reverse-pitch propeller control. ;TIGO-541-D1A :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-18A21 turbosupercharger, certified 26 June 1969. Similar to the -C1A but with a higher power rating and a different turbocharger with provisions for cabin bleed air. ;TIGO-541-D1B :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-18A51 turbosupercharger, certified 3 December 1976. Similar to the -D1A but with an integral wastegate turbocharger and a revised exhaust system and with low drag cylinders. ;TIGO-541-E1A :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-18A21 turbosupercharger, certified 26 June 1969. Similar to the -D1A but with a lower power rating, different turbocharger spring rate and a variable absolute pressure controller. ;TIGO-541-G1AD :Six-cylinder, turbocharged, fuel-injected, geared, engine, dry weight , AiResearch T-18A21 turbosupercharger, certified 1 May 1975. Similar to the -D1A but it includes an intercooler, a dual magneto and a fuel injector with fuel head enrichment.

Applications

;TIO-541 * Beechcraft Baron * Beechcraft Duke *

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* Moynet 360-6 Jupiter ;TIGO-541 * Piper PA-31P-425 Navajo *

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Specifications (TIO-541-A1A)

References

{{Lycoming aeroengines TIO-541 1960s aircraft piston engines

Design and development

Variants

Applications

Specifications (TIO-541-A1A)

See also

References