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  1. Stuffengineer

    Universal electronic ignition options?

    On mine I use 2 sensors that are fixed. But for a vtwin it makes more sense to rotate position. Although you could use fixed sensors, it would just require 4 sensors more wire and complexity.
  2. Stuffengineer

    Universal electronic ignition options?

    Look up Leburg ignition. I have a set up on half VW. Could be adapted to V twin. Mount 2 crank sensors on rotating plate one per cylinder rotate the plate 5 degrees atdc for starting then rotate to 28degrees btdc after started. Sensors can trigger through a GM hdi module. Very light and simple...
  3. Stuffengineer

    Harbor Freight Predator 670 V-Twin Horsepower tests

    If the engine does not have a means of decompression for starting, pull starting will be very difficult.
  4. Stuffengineer

    Basic Calculations

    Thanks that will answer my questions.
  5. Stuffengineer

    Basic Calculations

    Thanks for taking the time to look.
  6. Stuffengineer

    Basic Calculations

    Back in the mid 80's there was a magazine called Homebuilt Aircraft. In one of the editions there was a computer program code listed(in Basic) that you could type in and when run provided basic performance numbers. Wondering if anyone might still have a copy around. This was around 1983 - 85
  7. Stuffengineer

    CAD Software

    Has anyone been working with the Solid Edge software? Used it for work about 15 years ago. I have used Inventor for the last 14 years and SolidWorks for the last 2. Now retired I am using free Fusion which doesn't seem too bad except when it comes to assemblies.
  8. Stuffengineer

    Why is GA continuing its demise?

    What I am seeing today is many not just the HS kids are buying the new cars on credit. They want the reliability of the new car and warranty protection when something goes wrong. There are exceptions but many people especially our youth do not have the ability to work on or repair the 5-10 year...
  9. Stuffengineer

    methyl methacrylate (MMA)

    Have used MMA in motorhomes for assembly of body shells. Fiberglass to steel and some aluminum. Testing of our samples by loctite lab showed substrate failures and no bond failures. It is very impressive stuff. One thing to note is that you need to have a minimum gap between the materials bonded...
  10. Stuffengineer

    Self-piercing Rivets

    The rivet is designed by the manufacturer based on the thickness and type of material to be joined. They are structural in the automotive world and used in the aluminum body Jaguars. Took place of spot welds. These are not an off the shelf buy and use where you want item. Very specific tooling...
  11. Stuffengineer

    C2 ULTRALIGHT A FUN SCALE AERONCA C2

    The Pelican wing panels are 48lbs covered. Spare is made from .050” bent into C-channel to form D cell
  12. Stuffengineer

    Parts Wanted Wanted - Le Pelican Manual

    I have a Super Pelican. I also have a manual that I could scan but it is in French as my plane originally sold into Quebec. I am also looking for a copy in English. There never were plans. In fact I spoke with the current owner of the design and because it has changed hands so often they don’t...
  13. Stuffengineer

    Best wood Spitfire replica drawings?

    Does anyone know if the Isaacs Spitfire has ever been built with a turtle deck so it would resemble the mk.lX? I don't mind the non retractable gear as much as the bulges on the cowling. To fix that I would go with a Yamaha or Honda conversion.
  14. Stuffengineer

    UL license

    35 hours was the required time in 1981 in Canada. Along with many others I had a scholarships with Air Cadets. Do to the compressed training you didn't forget stuff in between lessons. When on the ground you studied or had classes for the written exams. Today it's 35 hours to achieve the...
  15. Stuffengineer

    UL license

    Have you tried East Coast Ultralights or Lunenburg County flight school. You should be looking at 2,500 to 3,000 tops. Depends on weather and how much time between lessons. I did my ppl in 6 weeks and 35hrs.
  16. Stuffengineer

    SHEET ALUMINUM ULTRALIGHT

    It's easy to create a wood forming block to create the bends on the bulkheads. The picture is the bulkheads before bending for an Ultracruiser notice the tabs to be bent.
  17. Stuffengineer

    SHEET ALUMINUM ULTRALIGHT

    I have a Macair Merlin. Its D Spar uses foam board adhesive. I tried the one suggest in build manual for a repair and did not like the adhesion. Did some experimentation and went with Gorilla Glue Construction Adhesive. It bonded well to both foam and aluminum without melting the foam. Foam melt...
  18. Stuffengineer

    1983 Le Pelican

    That landing gear looks narrow compared to the original. It is also sitting much higher off the ground. That would make it easier to get into as the original requires a contortionist. Could also have contributed to the ground loop it suffered. I have changed mine to a Corvette fibreglass rear...
  19. Stuffengineer

    Hummel UltraCruiser - a good idea as a first project?

    Build a canopy as light as you can and weight it. Now you know how much weight the plane would need to loose. Maybe some current Hummel owners could chime in with the weight of their canopies. The 1/2 VW is 85lbs, I have a Global 35hp engine that weighs 77lbs the Mosler is about the same. That's...
  20. Stuffengineer

    Importing a kit to Canada

    For Ultra light in Canada you do not need to go through MD-RA. This is for aircraft registered as a homebuilt. Basic ultralight you build, register it with Transport Canada as ultralight. You will need liability insurance and at minimum a Ultralight Pilot Permit. You can fly an ultralight with a...
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