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  1. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    Draw a line on the plans from the center of the leading edge to the center of the trailing edge. Measure down to the end points to the center of thrust. Use the difference divided by root length and take the arctan of that number, that is the wing incidence as measured by the Robart incidence...
  2. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    The plans for the Cherokee are still hanging in my shop. I had a look and the incidence is shown at 1.7 degrees positive. The airfoil is a semi symmetrical foil. I looked over the BUSA plans and instruction manual and did not find any mention of the incidence because the incidence is set with...
  3. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    Coming along nicely. I'm surprised the flat bottom wing as set at zero? I'm thinking more like +1 1/2 degrees.
  4. TonyHallo

    The 'What did you do in your workshop tonight?' thread

    Probably not to code, needed a shorter flange for my daughter's bathroom remodel. Got to work in the shop anyway!
  5. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    I built many planes with a 5" band saw and a drill press. I find the band saw more useful than a scroll saw, I think the only time I use mine is to put holes in formers.
  6. TonyHallo

    Scale RCM 1/3 Scale Champ Build

    Well I in the past I used a single X8R with some type of Power Expander. The Champ was the first plane where I decided to use a redundant setup. The redundant setup allows for antenna diversity. I did have a few flight where the RSSI was critical when using a M+ receiver for the redundant...
  7. TonyHallo

    Scale RCM 1/3 Scale Champ Build

    I weighted the fuselage before and after the covering was removed. The total weight of covering and paint was 1.32 pounds, hopefully I can improve here as well. Once the covering was removed you are left with the gummy Ekobond glue. During the build I found that an eraser could be used to...
  8. TonyHallo

    Scale RCM 1/3 Scale Champ Build

    Doing a little revamp on the Champ. Removed the fabric on the fuselage to replace the landing gear brackets. The brackets were just too long. See phot of full scale and model below. I bent the right side brackets last year when I stalled during landing. I had a dead stick this year when I...
  9. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    I just did some calculations based on 1220 pound gross weight full scale Cub, the lift struts are carrying 1080 pounds of the lift force while the center bolts are carrying the remaining 160 pounds of lift. Of course this is at level flight. There is also a compressive force on each spar of...
  10. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    Look here. The structure is formed by the center support, wing spar, and lift struts, the rest of the structure in the cabin area is window dressing.
  11. TonyHallo

    The 'What did you do in your workshop tonight?' thread

    That's looking real nice. I had a job over the weekend where a larger lathe was in order, was thinking about your lathe while the part was spinning. Had to remove the DRO to make the part fit.
  12. TonyHallo

    The 'What did you do in your workshop tonight?' thread

    I went out on Saturday, 15 MPH winds, Weather.com said 7 MPH when I checked in the morning. Had to fly anyway after driving a hour to the field. On the second flight I hit a hole in the runway made from skunks feasting on grubs. Stopped the plane dead and bent the landing gear back. Can't...
  13. TonyHallo

    Scale Bud Nosen 1/4 Scale Cub?

    So you got it spinning?
  14. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    I have found it easier to put the Champ on the nose while accessing the interior. The batteries and switching under the front seat. I enjoyed following Merlyn's builds as well. There is a fellow over on RCG rebuilding his Starship, don't know if you had seen it? He is taking pounds out and...
  15. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    I'm well aware of that!!!
  16. TonyHallo

    Scale Nelitz 1/3 scale Cub build

    Prototypes!!!
  17. TonyHallo

    Discussion The I’m Going/Went Flying Thread

    Yes, it fell off at the end of the run out, lucky!
  18. TonyHallo

    Discussion The I’m Going/Went Flying Thread

    Another trying day at the field with the One Design. Checked voltage coming out of the IBEC, 5.4 volts open circuit, decided to measure the loaded voltage, 1.5 volts. I bought a spare with me, tested it open circuit, 5.9 volt was the lowest setting I found by moving the jumpers. Started...
  19. TonyHallo

    Discussion The I’m Going/Went Flying Thread

    I use Viton for everything, $5 a foot but is worth it. After seven years the fuel tubing in my Cherokee still looked like it did on day one. Good catch. That's a days work putting three planes together and breaking them back down. Is your grass normally that brown this time of year or is it...
  20. TonyHallo

    Discussion The I’m Going/Went Flying Thread

    Had the One Design at the field today. Didn't get it running, no spark from heel boys! Not bad for 11 years!
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