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  1. L

    Roger Mann Ragabond

    Thanks. Found it and requested to join. Lynn
  2. L

    Roger Mann Ragabond

    I just met for bout 2 hours with a friend who is a very experienced, long-time pilot to go over my ideas of a 2-place "Ragabond" . He is a pretty mechanically inclined and he seemed to think my ideas of wingspan, wing-loading, fuselage length. etc. were well thought out and sound. He flew my 1st...
  3. L

    Time to move on...

    I won't offer any advice on the flying part, but I'm glad you made it through the heart attack. Take care of yourself. Lynn
  4. L

    Roger Mann Ragabond

    Victor Bravo....I have some heart issues that would be hard to test my way out of. Even the Sport Pilot driver license is out because of the failed medical. FWIW....I talked with a good friend (excellent pilot) about my thoughts and I was a bit surprised how quickly he agreed that a little...
  5. L

    Roger Mann Ragabond

    Has anyone here built the 2-place Roger Mann Ragabond, or know anyone who has? I've started building ribs for a MiniMAX. The Roger Mann planes, including the Ragabond use the same airfoil profile, construction and chord as the MiniMAX wing. so....I started dreaming and am thinking a small...
  6. L

    Plywood Weight Comparison

    Thanks, cluttonfred! I just looked at Aircraft Spruce in in the Q&A of Okoume the 4MM weights 14.5# per 4' X 8' sheet. Unfortunately they didn't show any 3MM available. Guess I'm back to 3MM mahogany for the fuselage. The upside is that I'm only about 2 hours from Wicks to pick up mahogany. Lynn
  7. L

    Plywood Weight Comparison

    How does okoume compare in weight to aircraft mahogany? I've heard of using okoume in place of mahogany on the fuselage sides, top and bottom on a MiniMAX and that's quite a few Sq. Ft. so a bit of weight savings would be realized if it's lighter.. Lynn
  8. L

    Plywood Weight Comparison

    TFF......Thank you for your concern and input! I had also thought about the fact that some ultralights use foam nose ribs and can't imagine this plywood is any less up to the task. Lynn
  9. L

    Plywood Weight Comparison

    So..... Am I correct to take that as a good thing? Lynn
  10. L

    Plywood Weight Comparison

    With the sample on edge I have pushed in with a small flat screwdriver between two layers this is the result. It took a pretty hard push on the screwdriver to get it to break apart. Lynn
  11. L

    Plywood Weight Comparison

    It's the morning after I boiled my sample of 1/4" plywood and let it to dry overnight. Other than a little bit of lifting of hairs of grain of the wood, which I think is to be expected of un-varnished wood, I saw no ripples of the face of the plywood or signs of delamination. I put it over the...
  12. L

    Plywood Weight Comparison

    This evening I cut a sample about 1 1/2" X 4" of the 1/4" plywood in question. Put it in a pot of water, brought it to a boil, set the kitchen timer to 15 minutes and then drained the water and leaned the sample against my favorite coffee thermos to let it dry. At this point all that has...
  13. L

    Plywood Weight Comparison

    No disrespect to the cautions offered, but Fir plywood is what's called out on MiniMAX plans for the nose rib doublers. What I have is an exterior grade plywood, but it is not marine grade. It will be varnished well to protect it from moisture. When the leading edge plywood (Wicks Aircraft...
  14. L

    Plywood Weight Comparison

    A friend ended up having a useable size piece of 1/4" plywood, I'd guess fir or pine. The 2' X 2' piece of birch I bought at Menards only checked at .200" instead of an actual 1/4" which is .250", so it was unusable for my purpose. Did a bunch of weight calculations for comparison sake and if it...
  15. L

    Plywood Weight Comparison

    I need a few Sq. Ft. of 1/4" plywood for some nose rib doublers and aileron nose rib doublers on the MiniMAX I've started. The material list calls out Fir or Mahogany plywood but I can't find either locally. I don't want to buy a full 4' X 8' sheet of sanded pine plywood (looks really good) but...
  16. L

    Building a MiniMAX (Again)

    I just started cutting we ing rib gussets a couple days ago. MiniMAX stopped the free plans program several years ago. Lynn
  17. L

    Building a MiniMAX (Again)

    b7gwap..... What you're saying about electronic ignition is actually my fear. It works fine until it doesn't. I feel that at least a magneto or even a battery powered points ignition will start acting up before it will fail completely. Lynn
  18. L

    Building a MiniMAX (Again)

    Someone once sent me a wiring diagram to build a electronic ignition powered by a very small battery. Electrical components are probably one of my weakest areas, but an electronic ignition that weighs next-to-nothing compared to a F-M or Slick magneto.....that would have my interest. I doubt...
  19. L

    Building a MiniMAX (Again)

    Everything you mentioned would have an effect on increasing horsepower. Some comments I've seen over the years suggests that one of the limitations of how many horsepower one would want to even try to extract from the engine is in the head's ability to shed heat. Personally, my only thought to...
  20. L

    Building a MiniMAX (Again)

    I believe an approximate weight for the engine in flight ready form is more in the range of 75 to 80 lb. I don't propose to be an expert on these engines but my understanding the 10 horsepower rating is one from an extremely harsh set of conditions specified by the military. If memory serves it...
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