Axial-Flow Turbojet
10-07-2013, 01:27 PM
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Axial-Flow Turbojet
Hello!
I am from Germany and i would like to show you my axial flow Micro Jetengine. The Engine has a 6 Stage Compressor with variable Stator Vanes for the first three Stages. They will be turned by a servo, according to Pressure and RPM to prevent the Compressor from Stalling.
The Stators of the last three Stages can be set manually, its made for development purposes. The Burning Chamber is designed by Alfred Kittelberger. The Engine is still under Development, but almost finished. More Infos and Pictures soon!
Greetings from Germany!
I am from Germany and i would like to show you my axial flow Micro Jetengine. The Engine has a 6 Stage Compressor with variable Stator Vanes for the first three Stages. They will be turned by a servo, according to Pressure and RPM to prevent the Compressor from Stalling.
The Stators of the last three Stages can be set manually, its made for development purposes. The Burning Chamber is designed by Alfred Kittelberger. The Engine is still under Development, but almost finished. More Infos and Pictures soon!
Greetings from Germany!
10-07-2013, 03:41 PM
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Thank you! Projected Thrust is 200Newton. And with less Fuel Consumption compared to Radial Ones. Thats the Goal!
Another Picture: The Turbine-Blisk, made out of temperature resitant Alloy
Another Picture: The Turbine-Blisk, made out of temperature resitant Alloy
10-08-2013, 03:28 AM
#11
My Feedback: (5)
After a WJM team trick wikipedia on the Fiat G.91..I second guess any info on that site. Its nice to see another attempt on the axial flow model turbine.. even though it better with fuel efficiency I wonder how much heavier than the 44lbs types centrifugal compressor engines?
Last edited by basimpsn; 10-08-2013 at 03:35 AM.
10-09-2013, 10:38 AM
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Thank you!
Yes, the Engine is a lot heavier than a comparable one with radial Compressor. Thats mainly due to the variable Stators. The final Version will have no variable Stators and the whole Compressor will be much more easier to manufacture.
I can not tell you the Pressure yet, but my Calculation says around 1.3 Bar above atmospheric at 70.000 RPM.
Thats the maximum (theroretic) Pressure, i will have to reduce this by approximately 20% to have a safety margin to the Stall Line.
The Compressor (and the whole Engine) will be tested and adjusted with turned on combustion, a special Piezo-Sensor than detects a possible short-time, continous Pressure difference (Stall). In that case, i will have to reduce the angle of certain Stator-Rings to be Safe.
Yes, the Engine is a lot heavier than a comparable one with radial Compressor. Thats mainly due to the variable Stators. The final Version will have no variable Stators and the whole Compressor will be much more easier to manufacture.
I can not tell you the Pressure yet, but my Calculation says around 1.3 Bar above atmospheric at 70.000 RPM.
Thats the maximum (theroretic) Pressure, i will have to reduce this by approximately 20% to have a safety margin to the Stall Line.
The Compressor (and the whole Engine) will be tested and adjusted with turned on combustion, a special Piezo-Sensor than detects a possible short-time, continous Pressure difference (Stall). In that case, i will have to reduce the angle of certain Stator-Rings to be Safe.
02-10-2014, 09:22 AM
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The last Parts were finished and the engine was ready to be tested.. in an old, rusty bench vise 
I can not give you any informations about the Pressure, Rpm, EGT etc. because there are no Sensors installed yet.
The Engine is self sustaining and is capable to accelerate by adding more fuel. More Infos soon!
The Video:
http://www.youtube.com/watch?v=eg27Kiw1tbU
I can not give you any informations about the Pressure, Rpm, EGT etc. because there are no Sensors installed yet. The Engine is self sustaining and is capable to accelerate by adding more fuel. More Infos soon!
The Video:
http://www.youtube.com/watch?v=eg27Kiw1tbU
02-10-2014, 11:15 AM
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Thanks! Yes, thats the pure way to start a Jetengine.. 
The Engine will be controlled and ignited by a Microcontroller and several Sensors, the whole System is already finished but i have to install the Sensors.
The Engine will be controlled and ignited by a Microcontroller and several Sensors, the whole System is already finished but i have to install the Sensors.
02-10-2014, 01:23 PM
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02-10-2014, 02:06 PM
#21
Love the typical "whining" sound when it descelerates.....
A lot have been trying to reach this stage with little succes, your gas run looks promising though!
Best regards,
Gerald
interesting cc
A lot have been trying to reach this stage with little succes, your gas run looks promising though!
Best regards,
Gerald
interesting cc
