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  1. The "medical" requirement for exercising Sport...

    The "medical" requirement for exercising Sport Pilot privileges is a drivers license. Neither the FAA nor insurance can bust you as long as you have the drivers license - you satisfy the regs. A few...
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    Continental specifies the .060 master orifice for...

    Continental specifies the .060 master orifice for the big bore engines like my IO-550. That typically results in ~45psi and controls where expanded inspection kicks in. The orifice size is in the...
  3. I find it easier to create the individual parts...

    I find it easier to create the individual parts as separate files (.SLDPRT) and then pull them into an assembly (.SLDASM). The parts use 2D sketches and I've never been comfortable with the 3D...
  4. Thread: Oshkosh 2021?

    by bigdog
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    89,900

    As disappointed as I am at the loss of the green...

    As disappointed as I am at the loss of the green line, maybe I should be grateful to be disappointed just once instead of every time I needed to use it. I stay in the dorms so it should be a vital...
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    I used the Permatex plus Loctite 515 on my Cont....

    I used the Permatex plus Loctite 515 on my Cont. IO-550B and my engine guy says he uses it on all his engines, including Lycoming even though they spec something different. BTW I got the Loctite at...
  6. Thread: 337 Challenges

    by bigdog
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    2,090

    If you have approved data you can avoid the FSDO...

    If you have approved data you can avoid the FSDO approval. It used to be that any prior 337 could be used as approved data but there is now a cutoff date. I don't recall the date. You can also go to...
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    I was referring to the folks that take a pile of...

    I was referring to the folks that take a pile of scrap or a data plate and invest a ton of time/cash to make a flyable airplane. It's a flyable plane that otherwise wouldn't be so I don't care how...
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    Some folks get really passionate about this but I...

    Some folks get really passionate about this but I believe in the Golden Rule - he who spends the gold gets to decide. I appreciate authenticity and think it should be the goal for museum static...
  9. Thread: Scale Airfoil

    by bigdog
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    8,634

    I see you posted an O-57 drawing. If your project...

    I see you posted an O-57 drawing. If your project is an O-57 or L-2 and you have the drawing CD set, you have enough info to plot the airfoil full size without scaling from the theoretical ordinates....
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    Rewebbing belts is dirt cheap, ~$10/piece. But...

    Rewebbing belts is dirt cheap, ~$10/piece. But you have to do it before the TSO tag is gone/unreadable. You need a readable TSO tag to pass annual for the certified crowd. As long as they can make...
  11. Thread: Do You Look Up?

    by bigdog
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    8,624

    Since before I could talk. I grew up under the...

    Since before I could talk. I grew up under the flight pattern for STL and when the early McDonnell jets went over I'd point and go "Zizzzz."
    I haven't stopped looking but don't make airplane...
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    8080

    8080
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    I echo Doug's comments with some additions. I...

    I echo Doug's comments with some additions. I spent a few years as a reliability engineer at a major airline in the 80's. Our thrust even back then was to move everything we could to the Condition...
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    On the high end, I built my new work box with SW...

    On the high end, I built my new work box with SW in mind. I7-7820, 3.6ghz, 64GB, 1TB SSD, 14TB NAS, Nvidia Quadro P5000 and 42" 4K monitor. So far nothing fazes it and hopefully won't for years to...
  15. Thread: Glue joints

    by bigdog
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    7,332

    I built a set of ribs for an L-2 restoration...

    I built a set of ribs for an L-2 restoration project and I got some good advice on the Biplane Forum. I used a pneumatic Senco stapler and SS staples. You need to adjust it so the staple sits flush...
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    During Sloshkosh some enterprising teens were...

    During Sloshkosh some enterprising teens were selling 3 x 1 foot squares of plywood for $20. They could have made a fortune if they kept at it but apparently quit once they got their gas/beer/date...
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    Since you haven't gotten any first hand, here's...

    Since you haven't gotten any first hand, here's another 2nd hand. A friend who built multiple RVs, built an S-7 a couple years ago. I was very impressed with the kit and parts packaging - way better...
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    A Taylorcraft is a great choice as a first...

    A Taylorcraft is a great choice as a first aircraft. I bought one 2 rental hours after getting my PPL as a college student in 1974. I learned about tailwheels, spins, adverse yaw, heel brakes, owner...
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    6252 Here is the bending jig I used for some L-2...

    6252
    Here is the bending jig I used for some L-2 ribs. I soaked the cap strips in a tall bucket of water for about 4 hours, then clamped in the jig until dry - about 2 days. The curve of the jig was...
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    IIRC The Air Beetle had a taller canopy to...

    IIRC The Air Beetle had a taller canopy to accommodate the Nigerians. After spin testing they had to increase the rudder/VS height as well.
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    I got invited and with 6 N-numbers in my name...

    I got invited and with 6 N-numbers in my name there's a good chance I will every year. 5 of them are projects and one is a Navion I fly 200+ hrs/yr. This year, and last, I got asked to report on a...
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    Yeah, we're pretty passionate about our Navions....

    Yeah, we're pretty passionate about our Navions. It covers a lot of bases. Comfortable cross country, reasonable speed, good with short/rough/high altitude fields, roomy, handles well and looks good....
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    Where are you located? If anywhere near Houston...

    Where are you located? If anywhere near Houston I'll be glad to give you a ride. You can probably get a nice big engine Navion (IO-520/550 - 285/300hp) for $80k+.
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    Sounds like a Navion would fit perfectly. It...

    Sounds like a Navion would fit perfectly. It would be right at home on a 2700' grass strip. Pick your engine based on your budget and performance desired. My 300hp Navion will cruise at 160 kts. The...
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    There are all different levels of comfort. I...

    There are all different levels of comfort. I don't hesitate to offer the controls to my front seat pax, pilot or not. Some do, some don't. On the other hand I'm tentative when taking the controls of...
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