nlappos

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About nlappos

  • Rank
    Advanced Member

Profile Information

  • Gender Male
  • Location Cedar City, UTAH
  • Interests flying, astronomy, reading, family

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nlappos's Activity

  1. nlappos added a post in a topic Tire comparison 8.00-8.50's   

    Yep, that's why grass is so nice, the tire makes little side force when in a small skid, and doesn't mind a little angle to the motion. Makes me want to try it, too!
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  2. nlappos added a post in a topic Tire comparison 8.00-8.50's   

    I'll bet it isn't the size or softness, it is the lack of tread. Those look like great tires, how much and where did you get them?
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  3. nlappos added a post in a topic Starting my Homemade Hackman   

    I have a hacman. When the valve is closed, carb function is normal and uses the normal jet. It leans from there, to account for altitude, mostly. And it works.
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  4. nlappos added a post in a topic Starting my Homemade Hackman   

    Old data, I pulled it down, the right one says 165 and posting it now.
     
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  5. nlappos added a post in a topic Starting my Homemade Hackman   

    Here is the jet sizing chart snatched from http://www.ultralightnews.ca/bing/bingjetchart.html
    One thing I noted is that the temp is the carb inlet temp, which can be a lot warmer than ambient air. My 670 has at least 10 deg F temp increase at the carb (I used my wife's meat thermometer to check) so I jetted it for the warmer temp.
     
     


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  6. nlappos added a post in a topic Confused?   

    japowell,
    The going battery for the 582 is a Group U1 lawn tractor battery, at about 25 lbs and about 35 AH, costs maybe $50 at Walmart . Some folks are now switching to Lion batteries at about 3 lbs (!!) but costing maybe $200.
    If you are game to stretch the fuselage, I think it is a great idea if you are 6 feet or more, the headroom and leg room are pretty scoshy on a standard Avid. Adding maybe 2" of legroom and 2" of width, plus a little headroom would be great. But I am 5'11" and fit ok,.
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  7. nlappos added a post in a topic Friendly thrust competition   

    Yep, good read - the static friction of the wheels would have to be added to the total, but you could estimate that by just pulling the aircraft slowly while you read the scale. Then add that number to the static thrust as the scale reads when the prop is wound up.
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  8. nlappos added a post in a topic Becoming a rejuvinated bird   

    1avidflyer,
    I am looking for any creep, and so far all looks good. I suspect the actual movement is all within the flex of the parts, but time will tell. So far the main nut holds torque, the clamp holds torque and the thin channel holds the springs nicely. I did put in an inspection hole and cover so I can get to the top of the bolt to set torque properly.
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  9. nlappos added a post in a topic Becoming a rejuvinated bird   

    I put a double spring on, with a shorter section that extended down to almost touch the tail wheel. I used only one bolt and doubled the spring, but also clamped the short section to the long section with a simple steel bolted clamp, so both springs act as one. This seems to work well, with no mods to the airframe. Here is a close-up that shows the clamp. This way the one bolt and the thin channel keep everything in place.

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  10. nlappos added a post in a topic YAMAHA RX-1 (140 HP) install in Kitfox 5   

    Me too! Next year.
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  11. nlappos added a post in a topic Controls   

    The bank angle tilts the lift from the wings, so some of that lift points to the side, which pulls the airplane in that direction. The trim ball stays centered, showing that the side force is balanced by the bank angle. You can create a turn purely with rudder, since that will make a side force to turn you, but when you do that, the turn is flat and the side force is unbalanced, so you skid and are pulled to the outside of the turn. A banked airplane is exactly like a banked car, where the tilt allows you to feel comfortable as the turn takes place.
    So, the ailerons bank the wings, tilts the lift of the wings so some points sideward, and that turns you.
     
    here is s good, well illustrated discussion:
    https://www.boldmethod.com/learn-to-fly/aerodynamics/the-aerodynamics-of-a-turn-in-an-airplane/
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  12. nlappos added a post in a topic Wind   

    For me the issue is always the crosswind component and the gust spread. I will fly in 25 knots with gust spread below 10k, but it should be nearly straight down a runway. Any length runway, with a real 20 to 25 knots, the Avid lands at maybe 25 ground speed when you walk it on at stall +15 mph.
    If there is a crosswind, I use about 8 knot crosswind as my max component, and even then I am wired. I flew mine in California at 20 to 25 knots with 10 knot gusts down the runway and had a ball.
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  13. nlappos added a post in a topic How to Pop In a New Starter   

    new starter in, and the door closed on the hole.

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  14. nlappos added a post in a topic avid catalina flight   

    Magnificent!
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  15. nlappos added a post in a topic Flight season 2019   

    Beautiful rocket ship!!
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