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Pulsejets, or pulse jets are a unique type of engine that can be made with zero moving parts. First
developed in the early 1900's, pulsejets did not see any real use until WW2 when they were used to
propel German cruise missiles. Other countries quickly tried to adapt the technology, but pulsejets
were quickly pushed aside by the turbojet, and fell into obscurity.
Since the 1950's relatively little research has been done with pulsejets compared to their turbine
engine counterparts, and a lot of myths and plain misinformation have developed.
The mechanical simplicity makes them very well suited for a number of applications, with virtually
no maintenance costs. Since pulsejets cost many times less than factory made turbojets, and are
much easier to make than building a jet out of a turbocharger, they are increasing in popularity as a
low cost way to get into hobby jet propulsion. They have been used to propel everything from
go-carts to bikes to boats, not to mention RC planes.
They are not only mechanically very simple, but they also have an extremely large throttle range,
high thermal energy release, and naturally low harmful emissions. Pulsejets are one of the most
efficient ways of converting fuel into heat, with some of the lowest releases of harmful emissions of
any type of engine or combustion device.
They can be designed and optimised for propulsion, thermal output, and a wide number of other
applications such as acoustic output or thermal insecticide foggers.
Pulsejets can also be made to run on fuels and material that most people don't even consider fuel.
They can run on everything from coal dust, saw dust powder, used cooking oil, to more traditional
fuels like gasoline or diesel. As we like to say, if it burns, you can probably run a pulsejet on it.
This page will be filled with tons of information and the answers to frequently asked questions, in
order to help clear up many of the myths and misconceptions about pulsejet engines.
developed in the early 1900's, pulsejets did not see any real use until WW2 when they were used to
propel German cruise missiles. Other countries quickly tried to adapt the technology, but pulsejets
were quickly pushed aside by the turbojet, and fell into obscurity.
Since the 1950's relatively little research has been done with pulsejets compared to their turbine
engine counterparts, and a lot of myths and plain misinformation have developed.
The mechanical simplicity makes them very well suited for a number of applications, with virtually
no maintenance costs. Since pulsejets cost many times less than factory made turbojets, and are
much easier to make than building a jet out of a turbocharger, they are increasing in popularity as a
low cost way to get into hobby jet propulsion. They have been used to propel everything from
go-carts to bikes to boats, not to mention RC planes.
They are not only mechanically very simple, but they also have an extremely large throttle range,
high thermal energy release, and naturally low harmful emissions. Pulsejets are one of the most
efficient ways of converting fuel into heat, with some of the lowest releases of harmful emissions of
any type of engine or combustion device.
They can be designed and optimised for propulsion, thermal output, and a wide number of other
applications such as acoustic output or thermal insecticide foggers.
Pulsejets can also be made to run on fuels and material that most people don't even consider fuel.
They can run on everything from coal dust, saw dust powder, used cooking oil, to more traditional
fuels like gasoline or diesel. As we like to say, if it burns, you can probably run a pulsejet on it.
This page will be filled with tons of information and the answers to frequently asked questions, in
order to help clear up many of the myths and misconceptions about pulsejet engines.
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