kolibri282

Juergen:

What is your personal email that I can send a file to. I have a gift for you.....Hoskins Wood Blades related.
The Wallis Blades are not going to pan out. I tried. I summarized the contents of the response on the Wood Blades thread.
And when you go to the Bois de la Pierre meet, have fun and dream a bit. If you find someone else with wood blades ask a BUNCH of questions...

God Bless

Curtis Scholl

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Jawhol, dabei bin ich noch. Velleicht koennten wir einen tag einander treffen, und ein bissel Kaffee (oder Bier!) holen.

Bist Du dort bei der Armee? Prima das Du gesund und munter bist!

Na du! Ich bin wieder in Deutschland. Ich wohne im stadt Ansbach. Kennst du? Es ist in die nahe von Nürnberg.

Okay, I'll find a suitable place to put the documents in question - perhaps a Dropbox folder - and then post messages announcing them.

Greetings!
Contrary to expectation, I have found some documents that are in the public domain, are not yet mentioned in the technical database of the Forum, and seem to me to be useful. I would like to post them, but the format prescribed seems a bit awkward, in that you want clarifying comments added to the title field. I feel that a summary, abstract or brief review deserves its own field. E.g.:
Title: Rotary Wing Development (American Helicopter Society Semi Technical Bulletin No. 1, May 1944)
Author: Bennett, James A. J.
Publisher: American Helicopter Society

Abstract: A semi-technical briefing on both autogyros and helicopters, written for intelligent laymen and newcomers to the field of vertical flight at the very dawn of that field. Very useful introduction to the entire field of rotary flight. 20 pages.

What do you think?

Unfortunately I am quite a bit away from turning out any hardware. My idea is a bit special so I have to come up with a design of my own and I feel I need a very thorough understanding of existing theory for this. That is why I programmed a numerical gyro simulation program. That one has made considerable progress though and I hope to be able to release it to the public sometime this year.
Do you already have an idea where in Germany you will be deployed and how long you will stay? We could try to meet and talk gyros over a nice beer....;-)

Yes, it has been a while. No, no progress has been made as of yet. I've joined the active duty army and been back and forth to Afghanistan twice now, and will be moving to Germany at the end of the year. I am finally going to build myself a gyro, though. How far along are you on yours?

Hi Jacob, long time no hear....;-)
Apart from the usual problem that progress on my gyro program is much slower than I'd like it to be I am doing very well. I had tried to contact you several times and when that failed I was worried as to what might have happened. Great to hear from you! Is your project now getting under way again, Jacob?

na du! wie gehts alles bei dir?

Sounds good Juergen.

Do you want to do it a and make it a sticky, or should I do it?

Hafner's rotor head:
http://www.google.com/patents/US2338935
http://www.google.com/patents/US2265366
http://www.google.com/patents/US2493869
http://www.google.com/patents/US2600531
http://www.google.com/patents/US2640553

Enjoy!

Hi,

My university is working on designing and building a Light-Helicopter (about 100kg) for civil purposes and I'm in the rotor group. I'm currently assigned to do a research on main rotor components and their materials. I've been searching the net for a resource book for my essay but I couldn't find anything so I was wondering if you know a book or an article about materials used in rotor which I can read for my essay.

my e-mail address is [email protected]'ll be more than glad if I could use your help!

Enjoy: :-)

http://www.youtube.com/watch?v=g2yeauqYoSQ
http://www.youtube.com/watch?v=O6u1eUz4XFo
http://www.youtube.com/watch?v=Zafwyo7cSKc
http://www.youtube.com/watch?v=kMYD10OB1FA
http://www.youtube.com/watch?v=qOa-9MZ3Xrg
http://www.youtube.com/watch?v=80cfYB35p30

Jüergen,
A new picture for Your avatar:
http://www.pprune.org/rotorheads/250086-why-helicopters-flettner-system-so-slow-3.html

http://dodreports.com/tag/rotary-wing-aircraft
http://dodreports.com/topic/helicopters
Enjoy!

Juergen,
An interesting picture fro You: head of Weir W-3 Autogyro
http://www.flightglobalimages.com/detail/print/1563703.html
More about this design on : http://www.flightglobal.com/pdfarchive/view/1936/1936%20-%202050.html

Regards,
Mirek

Jacob, great to hear you are back. I had tried to contact you some time ago and was a bit worried when you didn't reply. I have been busy writing my rotary wing program and made a littel progress. I hope that you can start on your gyro project now.
Take care,
Juergen

na hallo! Wie gehts? Ich bin zeit letztes jahr in Afghanistan beim Armee. Bin jetzt wieder zu hause.