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Pulse Jet Engines  
User currently offlineFlywithken From United States of America, joined Nov 1999, 223 posts, RR: 0
Posted (12 years 8 months 1 day 19 hours ago) and read 1501 times:

Hi i am trying to find some info on Pulse jet engines. I have never heard of them and would like and info, links, etc to learn more.

Thanks
KEN

6 replies: All unread, jump to last
 
User currently offlineTrent_800 From United Kingdom, joined Jan 2002, 136 posts, RR: 0
Reply 1, posted (12 years 8 months 1 day 12 hours ago) and read 1452 times:

I have been led to believe that a pulsejet is more or less the same as a ramjet, if so then this link will provide some info on it http://www.grc.nasa.gov/WWW/K-12/airplane/ramjet.html
hope this helps By the way try the engine sim applet it is way cool  Smile/happy/getting dizzy


User currently offlineJwenting From Netherlands, joined Apr 2001, 10213 posts, RR: 18
Reply 2, posted (12 years 8 months 1 day 11 hours ago) and read 1435 times:

A pulsejet is a pulsed ramjet or scramjet. The pressure is not constant but goes up and down in a pulsating way. This reduces the average pressure so a higher peakpressure can be attained without having to resort to far heavier materials.


I wish I were flying
User currently offlineL-188 From United States of America, joined Jul 1999, 29840 posts, RR: 58
Reply 3, posted (12 years 8 months 1 day 10 hours ago) and read 1426 times:

Maybe these links will help you out.

Homemade Jet and Pulsejet Engines

RC pulsejet aircraft

Brauner engine drawing




OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
User currently offlineHawkeye2 From United States of America, joined Mar 2002, 234 posts, RR: 0
Reply 4, posted (12 years 8 months 1 day 10 hours ago) and read 1417 times:

Pulsejets were used in WW2 by Germany, in their "V1" flying bomb (actually a primitive cruise missile). They had a very distinct "buzzing" sound, hence the popular term, buzz bomb.


User currently offlineJetguy From , joined Dec 1969, posts, RR:
Reply 5, posted (12 years 8 months 21 hours ago) and read 1376 times:

The Japanese also had a kamakazi-piloted version of Germany's V1, I believe they called it the Baka. If I remember correctly the "buzzing" sound was made by the rapid opening and closing of the engine's shutters.


User currently offlineLehpron From United States of America, joined Jul 2001, 7028 posts, RR: 21
Reply 6, posted (12 years 7 months 3 weeks 6 days 20 hours ago) and read 1311 times:

The "Buzz bomb" is a great example, in fact I'm guessing, the only example of a pulse-jet in operation. As I understand, it required an initial velocity so it was launched off a rocket-propelled catapult, then it flew on it's own up to around 400 mph.

Currently there has not been a pulsejet that can start from standstill, since there is no intake velocity, maybe if a fuel/oxygen mix were sprayed and ignited here an air-rocket could propell it to this minimum speed then it could operate until the minimum speed for ramjets, by then it would run like a ramjet by shutting off the pulse sequence.

I don't know why no one has done this yet , maybe I hypothesizing, or it may be an old Black Project.  Smile/happy/getting dizzy

Hope this helps ya Flywithken.



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