| Pulse Jet Engines: | | | | tube' structure is quite popular in use for many model |
| The pulse jet engine has never really been widely | | | | jet engines today. |
| used amongst model jets, as the turbine and 'fan in | | | | Turbine Engine: |
| tube' design are much more popular. Though the pulse | | | | When you think of a turbine engine, what comes to |
| engine will give you a lot more thrust in a smaller | | | | mind? Usually those huge things on commercial airliners, |
| engine, than the normal glow engine. These engines | | | | right? Well, in many hobbyist model jets, small jet |
| utilize the a principal a lot like the V-1 flying bomb from | | | | turbine engines are used as well. Many of these small |
| World War 2. There engine is usually extremely noisy, | | | | sized turbine engines are basically simplified versions of |
| but put out a lot of thrust. One good example of a | | | | the those big turbines that you see on jumbo jets. New |
| pulse jet engine was the fairly popular model known | | | | and revolutionary designs are coming out all the time in |
| as the Dynajet. | | | | the model turbine jet world, however. Due to the |
| Ducted Engines: | | | | tremendous cost of production and fail safe testing, |
| In the early styles of jet model aircrafts, most of the | | | | many full sized commercial jets don't change or have |
| planes had a multi-bladed, high pitched fan inside the | | | | as much variety as small-sized turbines. The first |
| ductwork, located usually in the fuselage of the plane. | | | | model private turbine was flown in 1980 by Gerald |
| The fans were made to be designed quite sturdily, and | | | | Jackman, but commercial production for jet turbines |
| be able to operate at a high RPM (Rotation Per | | | | have only recently been made available for easy |
| Minute). A 2 stroke engine was popularly used to | | | | purchasing. Flying turbine model jets is considered to be |
| power the fans. Most early jet model brands tended to | | | | a extremely costly endeavor. These jets require |
| use the.40 to.90 cubic inch displacement engines, but | | | | specialized design techniques, and precision |
| other models created engines that could be as small | | | | manufacturing, causing them to become extremely |
| as.049 or 1/2cc. Most of the designs or early glow | | | | expensive planes to buy. The fuel is also very |
| engine or ducted fan aircraft are no longer in use | | | | expensive, not to mention the care and upkeep of the |
| amongst modern model jet. Although the basic 'fan in | | | | jet. |