Search found 539 matches

by Hank
Tue Jan 17, 2006 6:50 pm
Forum: Valved pulsejet forum
Topic: looking for articles by C.E. Tharratt "The Porpulsive d
Replies: 3
Views: 2493

Re: looking for articles by C.E. Tharratt "The Porpulsi

looking for a copy of "The Propulsive Duct" by C.E.Tharratt. Its a series of articles published in Aircraft Engineering from Nov.1965 till Feb.1966 I believe in the states its possible to copy from a good library..but as i'm in Ireland i cant get them..can anyone fax a copy..or help.. Thakns slan. ...
by Hank
Sun Jan 15, 2006 2:24 pm
Forum: Valveless pulsejet forum
Topic: A other escopetta driven glider
Replies: 23
Views: 8918

re: A other escopetta driven glider

Hello- Can anyone out there translate the text?
by Hank
Wed Jan 11, 2006 8:21 pm
Forum: Off topic forum
Topic: Edison's Attic
Replies: 0
Views: 1295

Edison's Attic

Hello- Since the population of this form has a great interest in acoustics the following might be of interest. There is a radio program, available over the internet in a variety of flavors, that addresses the early years of sound recording. The title of the show is "Edison's Attic" and airs Tuesdays...
by Hank
Wed Jan 11, 2006 8:04 pm
Forum: Off topic forum
Topic: Intel hits the Highway
Replies: 14
Views: 5333

re: Intel hits the Highway

....with a possibility that the manufacture of components may take place in South America. CHICAGO (AP) — Boeing (BA) announced an agreement with Mobile Satellite Ventures on Wednesday to build three satellites and associated ground systems, which the aerospace company described as its largest sat...
by Hank
Wed Jan 11, 2006 8:00 pm
Forum: Valveless pulsejet forum
Topic: Dual exhaust pulsejet?
Replies: 62
Views: 24635

re: Dual exhaust pulsejet?

I've a question. What would be the purpose or benefit to be derived from attempting to split the exaust portion of the operating cycle of pulsed combustion?
by Hank
Wed Jan 11, 2006 6:51 pm
Forum: Off topic forum
Topic: Intel hits the Highway
Replies: 14
Views: 5333

re: Intel hits the Highway

Hello- There is little doubt in my mind, Bruno, that the sensor division cleaved from Texas Instruments will surface on some foriegn shore. I'm interested in what TI has in store regarding operating systems and the analog circuits mentioned in the article. Analog to digital is key to sensor interfac...
by Hank
Tue Jan 10, 2006 12:39 am
Forum: Valved pulsejet forum
Topic: I pay to whom me of the measurements of this alone pulse
Replies: 11
Views: 4779

re: I pay to whom me of the measurements of this alone pulse

Rebus- Contaco los constructor de PJ, por favor. Que dimensione? Als?
Proportion dimensions from a know one, if all else fails.
by Hank
Tue Jan 10, 2006 12:33 am
Forum: Off topic forum
Topic: Intel hits the Highway
Replies: 14
Views: 5333

re: Intel hits the Highway

Hello- It appears some of the major players in the computer field are beginning to narrow their fields of interest and specializing. No doubt the liquidity provided by the following deal will make both product researchers and stockholders happy. DALLAS (AP) — Texas Instruments (TXN), one of the wo...
by Hank
Thu Jan 05, 2006 4:27 pm
Forum: Tools and Construction
Topic: Connections
Replies: 293
Views: 103312

re: Connections

http://www.luft46.com/junkers/juef126.html

The loss of function experienced by the pulse jet engine at altitude is mentioned in the writeup on the Junkers effort (from a translation by Helmut Walther!), yet in the BV article, linked to on the Junkers page, an altitude of over 25,000 ft. was expected.
by Hank
Wed Jan 04, 2006 1:39 pm
Forum: Off topic forum
Topic: Intel hits the Highway
Replies: 14
Views: 5333

re: Intel hits the Highway

Hello- Meigs field was used for private aviation. I have a sense that jealousy had as much to do with the closing of that strip on the lake as any reason. As a consequence of the closing a lot of MD's are not able to get around as fast as they might. This morning I watched the media reverse the fact...
by Hank
Sat Dec 31, 2005 6:09 am
Forum: Valveless pulsejet forum
Topic: Ancient pulse jets?
Replies: 51
Views: 21947

Re: re: Ancient pulse jets?

Other sources of oil would have been whale oil, rock oil, corn or other vegetable oil, turpentine/pine tar; and more likely a combination of all the above. Of a certainty, without readily avilable, large sources of petroleum, pulse-jet powered vehicles would be limited to small, fast stuff, like wa...
by Hank
Sat Dec 31, 2005 1:23 am
Forum: Valveless pulsejet forum
Topic: Ancient pulse jets?
Replies: 51
Views: 21947

Re: re: Ancient pulse jets?

Olive oil? Could the ancient Greeks have produced enough olive oil to power a dozen warships for, say, an hour a day? Sounds like an awful lot of olive oil to me.[/quote] Hello- I'm doing research into the technology of the US Civil War period. The steam power of the day required eighteen to twenty ...
by Hank
Wed Dec 28, 2005 3:01 am
Forum: Valveless pulsejet forum
Topic: Ancient pulse jets?
Replies: 51
Views: 21947

re: Ancient pulse jets?

Hello- About the closest reference to a pulsed combustion duct I know of for certain, as used in the ancient world are two: The Romans used massive ducting in conjunction with combustion for heating and cooling. Mines were ventilated by pipes that were led into the mine, running back to a firebox at...
by Hank
Fri Dec 23, 2005 9:26 pm
Forum: Off topic forum
Topic: Scramjet Demonstrator Flies At Mach 5
Replies: 2
Views: 1638

re: Scramjet Demonstrator Flies At Mach 5

Hello- Glad to have an innovative company such as ATK within the borders. This company, the origin of which can be traced to the breakup of the old Richmond Arsenal, supplies engineering ability across the board. A post came in today regarding the status of the Eurofighter. The latest text on this b...
by Hank
Sun Dec 18, 2005 7:16 pm
Forum: Off topic forum
Topic: Intel hits the Highway
Replies: 14
Views: 5333

re: Intel hits the Highway

Glad you read the article written by Meigs, Bruno. That one has Generals in his family back to the American Revolution. The founding instruments of the government of the US are based, in part, of a seperation of Church and State and the implications of a standing military force. Civilian control of ...