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  1. erkki67

    Skylight

    Good day, for children’s rooms, exist those star projectors, does there exist a similar thing but with airplanes projected in different colors to the ceiling, and if yes where could it be purchased from?
  2. erkki67

    Tandem Wings

    An older variant of a tandem wing
  3. erkki67

    B/S 38 at 50hp?

    The V-engines of B/S of 627cc are a Little Bit less than 1/2 size of the well known 912 of Rotax? Which works would be required to bring its hp into the region of 40 to 45hp? Which kits do exist out there , camshaft, crankshaft, camshaft rollers, pistons aso?
  4. erkki67

    New engine for ultralights

    290cc, 18kg of weight,2,9liter/6800rpm fuel consumption, 30hp/7500rpm, pusher or puller, 4900€ incl German VAT. For further info contact Christian Reuter at info@reuter-fluggeräte.de The company is located in Germany. This engine is a fresh breeze of air in the ultralight market.
  5. erkki67

    Ultralight transport trailer for camping?!?

    Hello, I’m looking for an idea how to transport an ultralight in enclosed trailer, that serves at the same time as a hangar, and shelter with kitchen, shower/toilet bed and a sitting corner with a door for direct access?! Rgds rki
  6. erkki67

    DIY pancake rotary machine?

    Helle there at several flying I've seen some rotary pancake machines used by some chapters, does there exist plans for such an item somewhere? rgds Erkki
  7. erkki67

    2 seat ultralight parasol

    Hello Folks, Ive been wondering if there exist, what you call in the US heavy 2 ultralights, and elsewhere 2 seat ultralights with a Parasol wing. So far Ive found two birds of Milholland, the Double Eagle and Cabin Eagle, and the Coach2 of Scheibe/Weller/Ehroflug, so getting to 3. Are there...
  8. erkki67

    Kei Car engines ?!?

    In Japan, they have Kei Cars, since some years now. They are powered by tiny 4 stroke engines of max 64hp. Wouldn’t those be suited to aircraft use as well?
  9. erkki67

    Harbour Freight v-Twin

    Hello I’m wondering who is producing the Harbour Freight V-Twin? As an import from the US is kind of silly, if the manufacturer is abroad and the en consumer as well! Rgds Erkki
  10. erkki67

    Shapr3d airfoil coordinates import and smoothing?

    Im new to the CAD world and Im running MAC OS products at home. There are some CAD programs that have caught my interest. Fusion360, Onshape, and Shapr3d all of them capable to run on Tabletts of Apple. My main computer is the Tablett but in a near future Ill add a Mac Mini. I dont know if I...
  11. erkki67

    Direction to go

    How could a ultralight come close to this?
  12. erkki67

    Michael Roodt Sunbird Parasol

    I’ve found this little critter, it seams to be powered by a BMW R100 and the fuselage seams to be riveted tubing assembly? Are there any sources for plans available? rgds Erkki
  13. erkki67

    Marek Ivanov Designs

  14. erkki67

    Looking for an alternative engie for the 503 and 582?

    Is there any engine out there to replace the Rotax 503 and 582 engines? Is there any 4 stroke out there for this class of engine in therms of weight and power?
  15. erkki67

    Inflatable wing controls?

    Ive ben looking at the Woopy Jump and Woopy Fly Wings, à concept grown up from the world of paragliders. My wondering is the following , could such a wing have some kind of 2 axis controls for a sit on top powered version?
  16. erkki67

    Poplar for structural parts?

    Has there ever been an aircraft designed around poplar wood or plywood for structural parts?
  17. erkki67

    Wooden fork for nosegear craft

    Hello, has somebody an idea how to build a suspended nose gear, made of wood or plywood?
  18. erkki67

    A new sheetmetal bird

    it’s from the minds of Marek Ivanov, the designer of the ZJ-Viera
  19. erkki67

    Euroflyulm

    Something new around the corner!
  20. erkki67

    strange past concepts used today

    ignore the markings and for whom it was designed for, but I'm wondering if such a layout with an impeller fan could get aloft with the neccessary wingsurface within at les the LSA limitations?
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