The engine will continue to speed up as youĬlose the needle valve until you pass the optimal fuel setting. Or producing excessive smoke then it is running too rich.Īs you close the high-speed needle valve, the engine will begin to run If it is stumbling, not firing consistently, Setting the high-speed needle valve is fairly simple. Most nitro engines have the high speed valve mounted behind the engine and isĬonnected to the carburetor by a length of silicon fuel tubing. Is running, and the carburetor is darn close to the propeller. This is dangerous because you have to adjust the engine while it Some nitro powered engines have the high speed needle valve mounted right to Without either the cooling or lubrication system the engine would very quickly become so hot that the internal parts would literally begin to melt, ruining the engine. The lubrication greatly reduces heat and wear from friction. The oil is pumped from the oil pan to the engine to lubricate all of the working parts. Unlike a glow engine, they also have a lubrication system. The water then goes through a radiator (heat exchanger) where a fan passes air through the radiator to cool the water.
The water is pumped through the engine block to remove heat from the engine. Why Proper Tuning is So Criticalīefore getting into specific nitro engine tuning tips, it's important for you to understand why it is so critical that your nitro rc engine be tuned correctly.Īn automobile engine has a radiator and water pump. If your engine is still giving you fits after you've exhausted all the tips on this page, feel fry to explain your problem here and maybe we can help you get'er straightened out. It's absolutely no fun when you've tried everything you could possibly imagine and she just won't run right. Problems getting your engine to run correctly.Īnyone who's ever messed with a glow engine can tell you that these little guys are finicky to say the least. Only extend the life of your engine, but they will solve most of your Following the nitro engine tuning tips outlined on this page will not
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