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  1. H

    CriCri MC-15 in NZ

    Have you considered heating up the blank before putting it in the jig? cheers Hans
  2. H

    Torsional Vibration and Resonance - Basic Theory and Issues

    An old document for sure, but you might want to read up on Hessenauer's write down...
  3. H

    Multimeter recommendation?

    As long as you don't intend to measure mid- to high frequency signals, any multimeter will do. Personally I use a Fluke-77, but only so because longer ago than I care to remember, I got it as a gift.
  4. H

    The QNE Microlight project

    Seb, thanks a lot, much appreciated! Hans
  5. H

    The QNE Microlight project

    Hi Autoreply, can you please tell us what reference that page was scanned from? It looks like the original was written in German, as the English translationon is somewhat sketchy... :ermm: cheers Hans
  6. H

    CriCri MC-15 in NZ

    I like your thinking - which is valid for aircooled four stroke engines as well... cheers Hans
  7. H

    Aero Friedrichshafen

    Last time I attended this show (2009) I got a free admission by just showing my EAA membership card. I don't know if they associate with EAA for each every show though... cheers Hans
  8. H

    CriCri MC-15 in NZ

    Shane, this is looking SOOO good, thank you for keeping us informed! I wonder when you'll start in the kit production business. I bet if you can work out a solid engine solution, you're bound to meet a lot of interest... cheers Hans
  9. H

    Riblett airfoil - favor

    Orion, thanks for this historic perspective and background information. So I reckon the book might be of value to me after all. Thanks again! Hans
  10. H

    Riblett airfoil - favor

    :) I guess I should have asked whether these sections are indeed good ones. The impression I got from multiple sources is that these are re-hashes of NACA sections and none of these sources is very definitive about whether Riblett's versions are indeed an improvement on the ones found in...
  11. H

    Riblett airfoil - favor

    Could you please rate Riblett's book? I've came across references a number of time and just wondered whether I should purchase it as well... cheers Hans..
  12. H

    Facet Opel

    Hi Group, by cheer coincidence, I found another Facet Opal related video on YouTube: cheers! Hans ___________ IBIS canard homebuilt aircraft
  13. H

    Conclusions on Aluminum Adhesive Bonding Tests

    Awesome thread, thanks to all contributors! Hans
  14. H

    The QNE Microlight project

    Duncan, if you really go ahead with this engine, you might be interested to learn that the valve covers were engineered to take the load when the bike tips over on its side. For aviation purposes there's quite a bit of excess mass there that could be removed.... cheers Hans
  15. H

    CriCri MC-15 in NZ

    A W E S O M E ! ! Thank you so much for keeping us posted. Hans
  16. H

    Your thoughts on tenets of safe design.

    My perspective: what's not there, won't break up....
  17. H

    How to calculate induced angle of attack for tapered and swept-back planform?

    Hi Norman, no, I'm not German - but I live in Germany. As a matter of fact, I was born and raised in The Netherlands. Thanks for those links, I'll check them out. bye Hans
  18. H

    How to calculate induced angle of attack for tapered and swept-back planform?

    Hi Group, still interested in tailless aircraft, I'm now looking into induced angle of attack. How do I calculate these angles across the span for a planform that has both taper and sweep? The simple stuff that I've seen so far seems to be valid for rectangular straight planforms only...
  19. H

    Bendix/King KLN90B panel mounted GPS System for sale

    Hi Group, my IBIS panel concept has changed, which is why I am auctioning my Bendix/King KLN90b panel mount GPS system on eBay: Bendix/KING KLN90b GPS System Auction This is your chance to acquire a fully TSO'd GPS unit well below replacement cost; one that is also approach-certified. Thank...
  20. H

    Facet Opel

    a wider landing gear would have been much more difficult to make retractible. If you look at the available pictures earlier in this thread you might even discern a fairing bulb on the fuselage when the gear is retracted, indicating that the main gear could only be retracted into the fuselage...
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