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737 pulse jet

Postby expat » Wed Dec 31, 2008 5:17 am

A couple of shots showing whats under the primary exhaust nozzle. We had to replace this one the other night. Looks like a pulse jet is hidden inside ;D.
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1. Captain, if the problem is not entered into the technical logbook.........then the aircraft does not have a problem.
2. And, if you have time to write the fault on a napkin and attach to it to the yoke.........you have time to write it in the tech log....see point 1.
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Re: 737 pulse jet

Postby Mictheslik » Wed Dec 31, 2008 5:23 am

Really interesting once again Matt  [smiley=thumbsup.gif]

Were these taken with your phone?....if so I'm envious of the quality......;)

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Re: 737 pulse jet

Postby expat » Wed Dec 31, 2008 5:26 am

[quote]Really interesting once again Matt
Last edited by expat on Wed Dec 31, 2008 5:27 am, edited 1 time in total.
"A bit of a pickle" - British translation: A catastrophically bad situation with potentially fatal consequences.

PETA Image People Eating Tasty Animals.

B1 (Cat C) licenced engineer, Boeing 737NG 600/700/800/900 Airbus A318/19/20/21 and Dash8 Q-400
1. Captain, if the problem is not entered into the technical logbook.........then the aircraft does not have a problem.
2. And, if you have time to write the fault on a napkin and attach to it to the yoke.........you have time to write it in the tech log....see point 1.
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Re: 737 pulse jet

Postby Rifleman » Wed Dec 31, 2008 10:18 am

Indeed, the effects of heat are quite apparent in there.....also, on the tail cone you can clearly see the straight flow in the area of that twin row of rivets, after the stators do their job......nice shots...
Last edited by Rifleman on Wed Dec 31, 2008 10:19 am, edited 1 time in total.
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Re: 737 pulse jet

Postby T1MT1M » Thu Jan 01, 2009 6:21 am

Quick question

Does anyone know how hot these get to?
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Re: 737 pulse jet

Postby expat » Thu Jan 01, 2009 9:17 am

Quick question

Does anyone know how hot these get to?



That is hard to say, as it will depend on what the engine is doing at the time. At idle you will see around 430 degrees C, but that depends on whether you have bleed selected, packs on or anti ice. Of course, with an increase in throttle position the temperature will increase, take off 675 ish. However these temperatures are turbine temperatures and not jet pipe temperatures, so it will be a little cooler back here.

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"A bit of a pickle" - British translation: A catastrophically bad situation with potentially fatal consequences.

PETA Image People Eating Tasty Animals.

B1 (Cat C) licenced engineer, Boeing 737NG 600/700/800/900 Airbus A318/19/20/21 and Dash8 Q-400
1. Captain, if the problem is not entered into the technical logbook.........then the aircraft does not have a problem.
2. And, if you have time to write the fault on a napkin and attach to it to the yoke.........you have time to write it in the tech log....see point 1.
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