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  1. Scooper, thanks a lot. Helen will try her...

    Scooper,

    thanks a lot. Helen will try her luck.
    Nice picture of your aircraft. Is it Rotax powered?

    Thomas
  2. Help needed for daughter of German EAA member at Santa Barbara CA

    Hi
    is anybody out there who can assist me (EAA 1002820) in finding an affordable accommodation at Santa Barbara, CA for my 24 year old daughter. Helen is a master student in chemical engineering and...
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    A German company advertizes a reduction gear for...

    A German company advertizes a reduction gear for the BMW R1100S (90 hp) and R1200S (114 hp) 2-cylinder motorcycle engines, see www.takeoff-ul.de
    The so converted engines are flying successfully on a...
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    Never heard from a Verner motor here in Germany....

    Never heard from a Verner motor here in Germany. An alternative could be the BMW R 1.2 motorcycle engine (115HP) with a reduction gear which is advertised by http://www.takeoff-ul.de/
    Ther are...
  5. I just don't know where in the US you can find Ti...

    I just don't know where in the US you can find Ti rivets. I think you have to check in the internet. Manufacturers are Hi-Lock, Shure-lock, Huck and some others. For my needs I would get a few of...
  6. I just dropped into this thread and would like to...

    I just dropped into this thread and would like to add some comments based on my composite engineering experience from the last 30 years in aerospace structures.

    In general a major consideration...
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    To be on the safe side you have to know the...

    To be on the safe side you have to know the precise material designation and with the right material data sheet you can look for the proper heat treatment. Depending on the material there is a good...
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    We shouldn'd overestimate the "problem" with wing...

    We shouldn'd overestimate the "problem" with wing contamination. What really happens when the airfoil has collected insects or rain dropplets is that you do not benefit anymore from low drag due to...
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    It is correct that all of the glider laminar...

    It is correct that all of the glider laminar airfoils are more or less susceptible for insect and/or rain contamination. I recall a gliding contest I participated in in the mid 1980s. The weather was...
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    Mike, if you need some help with the translation...

    Mike, if you need some help with the translation german to English just drop me a note. I will be happy to help you.
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    Franz Xaver Wortmann was professor at the...

    Franz Xaver Wortmann was professor at the Technical University of Stuttgart, Germany. I know that his airfoils are summarized in the "Stuttgarter Profilkatalog". For years I'm trying to get hold of...
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    Ron, you are a great story teller and I like your...

    Ron, you are a great story teller and I like your story. Well, thinks could have been like that, or somehow different. Like all of us, I would like to see the spits emerging from the soil of Burma...
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    For me the whole story is unbelievable. All who...

    For me the whole story is unbelievable. All who have served in the military, no matter for which country, know about the bureaucracy involved. They just do not loose anything without a trace in lists...
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    Bob, Thanks a lot for the hint. I will check...

    Bob,
    Thanks a lot for the hint. I will check that out. Maybe I have something to play with during the winter evenings.

    Cheers
    Thomas:)
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    LED Aircraft Lighting

    Hey you electronic talents out there,
    I've just read Mark Phelps's article in Sport Aviation upon LED lighting. Flying an oldtime Klemm 107C here in Germany and having trouble with the current...
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    have a look to www.planecheck.com There are about...

    have a look to www.planecheck.com There are about 22 An-2 advertized.
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    What is the problem you want to solve with a...

    What is the problem you want to solve with a slat? Is it for a friendlier stall behaviour or are you looking for an increase in CL in total? A good book to look at always is "Theory of Wing Sections"...
  18. This is a bolt and wrong statement. There is a...

    This is a bolt and wrong statement. There is a wide range of carbon fibres on the market. Looking just into aerospace grade the range is from the most commonly used Toray T300 and HTA fibres which...
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    I talked to the Mistral people today at the AERO....

    I talked to the Mistral people today at the AERO. The status is that the engines have successfully been flown, but the company is too short of money to certify them. They have changed their marketing...
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    see my response to your other thread: Top and...

    see my response to your other thread:

    Top and bottom members of spar shall have the grain orientated along the spar. Side walls/shear webs shall have a +/- 45° orientation.
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    The answer to your question is within the...

    The answer to your question is within the function of the spar and which part of the spar carries which load. The task of the spar is to carry bending loads and, in case of a box-spar, torsional...
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    There is another alternative to reciprocating...

    There is another alternative to reciprocating piston engines other than turboprops, the modern rotary engine as developed by the swiss company Mistral Engines http://www.mistral-engines.com/. They...
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    Great video! Thanks for posting it.

    Great video! Thanks for posting it.
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    Guys, I do not understand all the discussion in...

    Guys, I do not understand all the discussion in this thread. WW2 endet 67 years ago and I guess nobody discussing in this thread had any vital role in WW2 air combat. I understand preserving, flying...
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    Does the distance between the bolts allow for...

    Does the distance between the bolts allow for wire securing them bolt against bolt? Usually this works for a lot of applications.
    Lock washers (spring washers, wave washers,....) are not really a...
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