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Use a hot plug with low nitro (less than 24%), and a cold plug with high nitro (more than 25%). If you remove the glow starter from you idling engine, and notice an immediate drop in RPM, you may need a hotter plug or more nitro.
4 maj 2017 · Needle setting works completely different, you have to just figure out what works in the air. Most important is that you use the remote needle, and make sure, the needle is not affected by engine heat, and make the fuel tubing as short and straight as possible (no hig points, loops, etc).
19 sty 2009 · We suggest using a fuel with less nitro methane content, using a larger size propeller or using a colder plug than the one currently in use. For example if an Enya # 3 plug gives you these problems in your engines, switch to a # 4 plug.
Gas engines use spark plugs whereas nitro engines use glow plugs to ignite the fuel/air mixture. For this reason RC gas engines require on-board ignition systems which provide electricity to the spark plug at precisely the correct time.
There are two types of nitro RC engines used with radio controlled airplanes. There are two cycle (2-stoke) and four cycle (4-stroke) nitro engines. A two-stroke RC engine fires every time the piston reaches the top of the cylinder while a four-stroke engine fires every other time.
Glow Fuel Ingredients. Contrary to popular belief, nitromethane isn't the primary and sole explosive ingredient of rc glow fuel - methanol is. Whilst nitromethane is very flammable, it's generally added to aid smoother running of the engine. When more nitro is used (i.e. a higher percentage) it contributes more to the power output of the engine.
Glow to Gas Equivalent Chart. * 4 stroke engines are approximately 30% larger in displacement (cc’s) than 2 strokes of equivalent power and can swing larger props. ** Gas engines are approximately 50% larger in displacement (cc’s) than 2 strokes of equivalent power. Use the manufacturers recommended props.
