Скачать или смотреть The Effects of 'LEAN' Fuel-to-Air Mixture on 2-Stroke Chainsaw Engine RPM. (by Craig Kirkman)

VISUALLY EXPLAINED

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A two stroke engine rev's higher the more Lean the fuel gets, up to a point! I explain what Lean Fuel means and why the 2 Stroke engine RPM increases the more Lean the fuel to air mixture gets. Basically, it's all to do with combustion efficiency.

Basically, as the 2 Stroke Carburetor interacts with the it's engine, there are certain needs it must meet to allow the engine to run at what we may consider as optimal. However, when these optimal conditions are not met, then the engine will use fuel in ways we may not be familiar. In this video I show why Lean fueling can increase 2 Stroke Engine RPM

A chainsaw engine's performance and general operation can be impacted in a number of ways when it runs with a "lean" fuel-to-air mixture, which means there is less fuel than there is air. A chainsaw engine may be affected by a lean fuelling state in the following ways:

Higher Engine RPM: Because there is less gasoline in a lean fuel mixture, the engine's RPM (revolutions per minute) will often be higher. Because there is less gasoline to burn, the engine may rev higher to make up for lost power.

Lean fuelling causes the combustion process to operate hotter than it would with a correctly balanced fuel mixture, increasing engine temperature. The higher temperatures could potentially cause overheating and increased wear by adding more stress on engine parts.

Lean feeding may raise engine RPM, but it frequently results in decreased power production. Cutting power may be reduced because the leaner mixture may not burn with enough energy to deliver the best torque and cutting performance.

Potential Engine Damage: Continuously running a chainsaw engine with a lean fuel-to-air mixture can eventually result in significant engine damage. Piston scuffing, cylinder scoring, and other problems with internal components can be brought on by the increased heat and inadequate lubrication provided by the fuel.

Poor Throttle Response: A poor fuel mixture can result in a sluggish throttle response as well as an irregular or rough idle. When the throttle is applied, the engine may bog down or struggle to maintain a constant idle speed.

Unexpectedly, operating a chainsaw engine with a lean fuel mixture may result in greater fuel consumption. In order to maintain the appropriate output of power, the engine runs at higher RPMs to make up for the lack of fuel.

It's crucial to remember that operating a chainsaw engine with a continually lean fuel mixture is not advised because it can seriously harm the engine. It is essential to make sure the chainsaw is tuned correctly and the fuel mixture is set up in accordance with the manufacturer's recommendations. Lean fueling-related problems can be avoided by according to the manufacturer's instructions and performing routine maintenance, which will also keep the chainsaw engine running at its best and extending its life.

This principle works for most types of Chainsaw saws, and the following also helps with Chainsaw maintenance. So, whether you are using a Stihl Chainsaw, Husquvarna Chainsaw, basically, all types of Petrol Chainsaw are valid for this principle, as well as many types of or a 2 Stroke Engine. The Electric Chainsaw, of course, escapes this whole principle!

If, by the way, you are having problems with your Chainsaw Not Starting, then please do take look at my other video, where I help you get back you and running again if your Chainsaw Won't Start, or your Chainsaw Won't Stay Running.    • Chainsaw WILL NOT START: If Chainsaw ...  

Have a Great Day

Craig Kirkman (Owner and Creator of The Repair Specialist Channel)

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