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  1. True, but there's not much else available that's...

    True, but there's not much else available that's been peer reviewed and published that I've found. Those studies typically take money. The question and some money has supported airfoil and aircraft...
  2. Yes Pete I agree with the LvsD link so not...

    Yes Pete I agree with the LvsD link so not questioning. Abbott and Doenhoff's Theory of Wing Sections Ch. 8, Fig. 134 confirms that at some Reynolds Number. But Posts #8 and #12 bring to question...
  3. The Age of Experimentation hasn't quite...

    The Age of Experimentation hasn't quite finished...good info!

    Gary
  4. Also consider the lift produced via airspeed or...

    Also consider the lift produced via airspeed or effective Reynolds Number over and under the flapped portion of the wing. Prop blast on takeoff increases that. Not so much on landing unless power is...
  5. It appears some further testing is required re...

    It appears some further testing is required re what's best during T/O and landing: flap gap open or sealed. I'd also contact Charly Center at Crosswind's STOL for his take on sealed vs not.

    Gary
  6. If there was a safe way to test it on one wing...

    If there was a safe way to test it on one wing only you'd soon discover any benefit or downside. The added enhancement above of seals in ground effect is interesting.


    Edit: Crosswinds STOL used...
  7. Thread: Ice screws.

    by BC12D-4-85
    Replies
    14
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    839

    Ropes to the ice screws need to be angled towards...

    Ropes to the ice screws need to be angled towards the wind. That creates an initial shear force on them vs vertical load on their threads. And gusts can create pressure on the screws which melts...
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    WTB: Not knowing of any but you might post a request...

    Not knowing of any but you might post a request on Alaska's Craigslists: https://geo.craigslist.org/iso/us/ak

    Also Alaska's List has a free ads section at the bottom:...
  9. Replies
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    17,788

    Cubs are light. Try unsticking a C-185 that...

    Cubs are light. Try unsticking a C-185 that submarined under a snowy ice layer into a foot of water above the real lake surface. Two red faced overweight dingers shoveling axing and winching got it...
  10. Thread: Gap seals

    by BC12D-4-85
    Replies
    15
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    1,161

    I put these on my Taylorcraft -...

    I put these on my Taylorcraft - https://www.aircraftspruce.com/catalog/appages/gapsealtail.php - the elevator gap is a bit tighter than a Cub. With just a small trim tab on the left elevator these...
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    Use vented/lift spoiler wing and tail covers. ...

    Use vented/lift spoiler wing and tail covers.

    Gary
  12. Replies
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    17,788

    Old manila rope works with rope come-alongs....

    Old manila rope works with rope come-alongs. Sticks to the sheave better.

    If stuck cut a 4-6" pole and kick under the ski tips with them pried or lifted up. Hook the puller to a screw anchor in...
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    Then there's this FAA test classic from 1983 -...

    Then there's this FAA test classic from 1983 - http://www.tc.faa.gov/its/worldpac/techrpt/ct82110.pdf - They took an O-200A and ran it in a test cell with varying conditions of fuel and air while...
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    Good point there. I've never sat behind or looked...

    Good point there. I've never sat behind or looked at one uncowled so have no idea. There's a comment at the end of this article on icing that may pertain:...
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    Ask yourself how many planes partially depart -...

    Ask yourself how many planes partially depart - fly - land and end up without sufficient power for that flight ? I suggest some are carb ice evolved.

    Gary
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    857

    Now sometimes comes the inevitable discussion...

    Now sometimes comes the inevitable discussion about raising the carb temp, typically via heated internal air but can be external as discussed, we can create the evil carb ice. That depends on the...
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    Here's another thought......how about keeping...

    Here's another thought......how about keeping cold air from contacting the carb to begin with? Look at the cowling and note any potential route for cold ram air around the starter nose, oil cooler...
  18. Replies
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    Eddie Peck has always been a great help to me:...

    Eddie Peck has always been a great help to me: https://peckaero.ca

    Gary
  19. Replies
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    457

    Yes I'm aware of that fact. "EDO" was intended to...

    Yes I'm aware of that fact. "EDO" was intended to apply to the current data holder. For further clarity: http://www.kenmoreairharbor.com/contact-edo.html

    Gary
  20. Replies
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    I'd not speculate. Call EDO and Eddie Peck and...

    I'd not speculate. Call EDO and Eddie Peck and ask for their recommended rebuild sequence. Some components go then get reinstalled first to establish and maintain conformity to design.

    Gary
  21. Replies
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    Decreasing manifold pressure and EGT's can...

    Decreasing manifold pressure and EGT's can indicate ice formation leading to throttle restriction.....providing the aircraft's pressure altitude, power settings, and ambient air parameters remain...
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    492,387

    FAA's Return to Service for the 737-8 and -9:...

    FAA's Return to Service for the 737-8 and -9: https://www.faa.gov/documentLibrary/media/Notice/N_8900.570_FAAWeb.pdf

    Gary
  23. Replies
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    Door gasket.....maybe a thin flat piece of engine...

    Door gasket.....maybe a thin flat piece of engine baffling seal glued to the door's face with high temp RTV?

    Gary
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    Airflow still cools the muffler in summer from...

    Airflow still cools the muffler in summer from the pics. The cowl is slightly pressurized so heated air from the muffler heater exhaust above and engine cooling can enter the open side of the control...
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    492,387

    In the case of the bears vs Alaska...

    In the case of the bears vs Alaska Airlines....what were the toe pickers doing prior to the 737 's arrival? All it takes is once over hundreds of evening's when Operations drives their vehicle to...
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