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  1. W

    Sold Sonex Plans SOLD - Serial number 461

    Hi, if you are the original owner, purchased direct from Sonex, and have the documentation so I can transfer ownership to my name, I will buy them from you today.
  2. W

    Francis Donaldson's thoughts on Evans Volksplane VP-2

    I applaud your perseverance in trying to explain the difference between stiffness (inverse of deflection), flexure and torsion. The cantilever portion in the wing begins just beyond the struts, and that is where torsional stiffening gives the most bang for the buck.
  3. W

    Carb heat needed?

    I would put the tomato juice can on the exhaust and run some tubes to a box and put a flapper valve control in the cockpit. I plan on doing so for my Revmaster when I get to that point on a VP build. I have had carb ice on a clear day, full power climb out at 35 degrees f in a C-170 with an...
  4. W

    A-65 Parts - In process of rebuild for sale

    Hello All: I recently bought a VP-2 that has an A-65 in the process ofrebuild on it. I have decided to put a VW engine on it to keep weight and balance simple. I have the parts available and had a friend post an ad onBarnstormers. The engine and airplaneare in Olympia, WA. I want to sell it...
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    21st century Volksplane?

    Rienk and Fritz: I would like to do away with the struts, but am concerned that the cascading effects would take me too long to rework the wing, fuselage, etc. The other problem is without all the drag, I would need to design speed brakes and spoilers to keep from exceeding VNE. But...
  6. W

    21st century Volksplane?

    Fritz and Cheapracer: Thank you for the feedback and the link to the Loehle 5151 canopy. If it was approx. 28" wide at the upper rails, it would be a good fit. It would look good, too. I saw that some Thatcher CX-4s are using drawer tracks for their canopies. If weight is ok, and I could...
  7. W

    21st century Volksplane?

    I like the ideas discussed about the roll over protection. I am 6'3" and want to stay that way. I have thought about a canopy and turtle deck, and although it is primitive and still incomplete, here are some ideas. I have averaged the fuselage widths between the VP-1 and VP-2, and am thinking...
  8. W

    Basic Crippling Question

    The Moment you have is that which will cause the buckling based on the geometry. However, the distance used should not be the member length, but the eccentricity between the applied load and the centroid of the angle. What you have figured is the load to cause buckling in the angle at an...
  9. W

    21st century Volksplane?

    I like it it looks aerodynamic, refined and sleek. Can the aluminum be formed in a curved fashion easily at home or would it be more like the straight angled Davis DA-2? If you can get the curves easily done someone with low skills (like me) could be successful.
  10. W

    21st century Volksplane?

    Sketches are a long way from construction plans, but when I got the Evans VP-1 plan book in 1998, it came with his design guide. I think the next step is to look at how to generate empty weights, put in fuel and a pilot, and figure out if I can get the CG to be within range (22-30%). If not add...
  11. W

    21st century Volksplane?

    http://1drv.ms/1zm7BLn Here is a link with a revised VP-2 style tail. It does look better.
  12. W

    21st century Volksplane?

    Fritz and Rigger Bob, Thank you,... Yes, I drew it first, then thought to just use the simple VP all flying tail surfaces. I need to loop back and pick that up. Another thing is that the Evans VP has a rear bulkhead, so I am considering using the same approach and moving the elevator aft...
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    21st century Volksplane?

    Victor Bravo I agree, I think the main thing to update a VP would be to minimize drag. I think the designers of the HIMAX with a VW engine, or Fisher Dakota with a VW have pretty well done what is possible. I think the fuselage is only slightly more complex than the VP, but has much less drag...
  14. W

    21st century Volksplane?

    Hello All: Here is my idea of a 21st Century aircraft in the spirit of the Evans Volksplane. I see a wood and fabric, slab sided high wing tandem two seater with a low cost VW or Corvair, or (?) engine of 75-100 hp. Simple to build, maintain and operate. The airfoil shape on the fuselage...
  15. W

    VP 2 1/2 Volksplane

    Thank you, I will add the group to my list. Happy Holidays
  16. W

    VP 2 1/2 Volksplane

    I have heard about the VP-3, do you have any pictures, three view, or description/specs? Just curious. Mark
  17. W

    Aircraft efficiency, a tool and list of Equivalent Flat Plate Areas of various planes

    Re: Aircraft efficiency, a tool and list of Equivalent Flat Plate Areas of various pl Bob: Thank you, I spent a few years in the service and even though I was 4 years late decided to reply.
  18. W

    Aircraft efficiency, a tool and list of Equivalent Flat Plate Areas of various planes

    Re: Aircraft efficiency, a tool and list of Equivalent Flat Plate Areas of various pl "Whilst historically i can't approve of all the actions of any government ,"...(?) You're so kind, with such a compliment. Be sure, it is taken in the spirit given.
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