This visual difference is the presence of two external pushrods on the 4-stroke engine internally a 4-stroke engine has valves which need to be opened and closed by the pushrods.
![rc fuel pump hand rc fuel pump hand](https://www.zyhobby.com/u_file/1802/products/08/4daf5a07f6.jpg)
There is also a distinct difference in physical appearance, as you can see from the picture below (these are glow plug engines - 2-stroke on the left, 4-stroke on the right). The primary difference is that a 2-stroke engine fires per single complete revolution of the crankshaft whereas a 4-stroke engine fires once per two revolutions. You might also know these names as 2-cycle and 4-cycle.
#Rc fuel pump hand full size#
Just like in the full size world, IC model airplane engines can be 2-stroke and 4-stroke. In fact, most of the top model airplane engine manufacturers have turned their attention to bringing out new petrol engines to meet the growing demand for them.Ībove: a petrol and glow plug rc aero engine. petrol powered) have become more popular in recent years and their availability has increased lots. It is fair to say that although glow plug engines are the most common type found in rc airplanes, true 'gas' engines ( i.e. The word nitro comes from nitromethane, an ingredient of glow fuel.
![rc fuel pump hand rc fuel pump hand](https://ae01.alicdn.com/kf/Hf08f64d6c25a495891fdcc09035a0e42w/Free-shipping-100-Original-Prolux-Hand-Fuel-Pump-Fast-Fueller-PX1652-For-Gas-Nitro-Engine-RC.jpg)
Nitro is a name that's really been adopted from the radio control car world, but is commonly used to describe all glow plug powered rc models. The term gas has widely been used to describe all types of Internal Combustion (IC) powered rc engine, whereas many people - especially in North America - know gas just to mean gasoline, or petrol. When talking about model airplane engines for radio control use, by far the most common type is the glow plug engine, often also called a nitro or even gas engine. Home Site search Site Map About Me Contact Me Site FAQ Privacy/Cookie Info Testimonials