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  1. Jan Carlsson

    WIII

    Have been working on a new wing to a glider, aero and strength wise, goal is good flying qualitys with good enough performance. The XFLR5 work good with the airfoils but can't get it to work with the wing/plane.
  2. Jan Carlsson

    Feel contraction

    We know the drag penalty on a low wing if/when the fuselage narrow of along the wing chord, but what if it is an high wing? In an example the fuse side is 7 deg in top/bottom view.
  3. Jan Carlsson

    Pi()

    3,141592653.
  4. Jan Carlsson

    Strength of Carbon Fibre

    I start a new tread or yarn on this. I am going to prepare some strength test, but need initial still real world numbers on the strength on Carbon Fibre, like tensile strength, and e-modulus in a finished lamina with epoxy, on carbon fibre both uni. and bid, on most common fabric style, what...
  5. Jan Carlsson

    Cassutt

    Does anyone on board here have a CAD model of a Cassutt? just the exterior will do?
  6. Jan Carlsson

    Pilot hand book

    pilot hand book for tonights flights A.P. 2512 Sleigh MKI & MKII Pilot's Notes
  7. Jan Carlsson

    Optimal Propeller

    The Optimal propeller when only the optimal is good enough. can't be better.
  8. Jan Carlsson

    Engine power

    HI Guys, I saw not so long ago in a paper information on a aerodynamic "Dynamometer" with a bar that had several holes, where a (two) plate(s) was bolted, and could be boldet at different radius from the crankshaft, this is similar to the Renard/Eiffel "Wood bar dyno" but adjusteble. this to...
  9. Jan Carlsson

    Bugatti 100P

    The Bugatti - REVE BLEU - the "Blue Dream" is now looking for a kick start to get airborne soon. Bugatti - REVE BLEU - the "Blue Dream" will finally fly! by Scotty Wilson — Kickstarter Please help this team show this plane in its right element.
  10. Jan Carlsson

    VIJA engine

    VIJA aircraft engines
  11. Jan Carlsson

    Propulsion System

    A almost completely new propulsion system have been worked out in China, with me and former (Aero) SAAB and Volvo Aero people as consulting engineers, that not only improve efficiency with over 15% over the best we have today, it also improve stealth (noise) signature for propeller plane and...
  12. Jan Carlsson

    New carbon fibre material

    I just found this in a swedish news magazine Oxeon - TeXtreme® 9 out of 12 F1 teams use it today. Jan Ps, Ok it is relative new the time line is here http://www.oxeon.se/index.php?page=about-oxeon
  13. Jan Carlsson

    Foam Core

    I have updated the Foam Core data sheet i put together long ago, take it for what it is and make own judgement, one data that is missing is price! Jan
  14. Jan Carlsson

    Pre-preg

    How to make your own pre-preg fiber video Jan
  15. Jan Carlsson

    NEW PROPELLER PATENT

    LATEST NEWS! I have just got the news that my patent on my new revolution propeller have been granted in 152 countries, including USA, Japan and Easter islands. Today I can for the first time show what it looks like, what’s make it unique is the airfoil shape. It is this shape, (se pic.)...
  16. Jan Carlsson

    Airmen Certification

    If you have a FAA Certificate and haven't replaced it with the new plastic ones, it is high time for that. you can do it online. https://amsrvs.registry.faa.gov/amsrvs/ReqAcct.asp Jan
  17. Jan Carlsson

    Geometric twist

    I am working on Neal Willford's spread sheets, here is some things to correct, like: How to mathematically calculate the geometric twist along a taper wing, it will not be linear as on a zero taper wing. Jan
  18. Jan Carlsson

    Stick to the force

    Trying to calc W&B, CG limits and stick force, I have flown some plane that have very heavy stick forces, some times in one direction and light in the other, (hate that) also flew few planes with wonderful balanced and harmonic feeling at the controls in all directions. (Lovely) But never...
  19. Jan Carlsson

    WANTED alive

    I am looking for information aboutthese two people, if anyone know if this persons is conected to flying or airplanes in any form, let me know. Robert P Flannelly, Laguna Hills, CA Patrick Dougherty Jan
  20. Jan Carlsson

    New Wing

    Have made an alternative wing to this Beauty, to get the benefits of composite wing, now the question, how is the trailing edge made thicker? I mean how far is the extra thickness smoothed out to the true airfoil(s)? What is the minimum practical thickness of trailing edge? .125"? Using freese...
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