Automotive Can You Turbocharge a 62 cc Two-Stroke Engine?

  • Thread starter Thread starter oldunion
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Designing a turbocharger for a 62 cc two-stroke engine poses significant challenges due to the engine's exhaust and intake port configuration, which can lead to inefficient boost and fuel loss. While some believe a turbo could work, many argue that a supercharger is a more viable option, as it can provide consistent boost without relying on exhaust flow. The discussion highlights the need for advanced fuel injection systems and proper tuning to manage the unique characteristics of two-stroke engines. Additionally, concerns about lubrication and the potential for increased fuel consumption are prevalent among participants. Ultimately, while turbocharging may seem appealing, the consensus leans toward supercharging as a more practical solution for enhancing performance in small two-stroke engines.
  • #51
Napier Nomad had a "specific fuel consumption" of 0.36 lb/(hp·h) (0.22 kg/(kW·h).

Turbocharged and supercharged two stroke.
 
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  • #52
The big boys like Detroit Diesel and EMD have been running turbochargers for many years, so why would anybody say that turbocharging is out of the question for 2-stroke engines? What is fundamentally different in the smaller engines?
 
  • #53
Just stumbled on your site and offer a cool turbo project I built in 2010 and tested in 2011. This will put to bed questions about the feasibility of two stroke turbos. At 56.1 CI, this may be the smallest successful 2-stroke turbo outboard ever built. Volumetric formulas predict it delivers 153 HP at 8000 RPM. Am pretty sure it's all of that. Seach youtube for Tim's turbo Johnson and you can see/hear it run. Fantastic!

Tim
 

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