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  1. Replies
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    Off direct topic, but....that's why the check...

    Off direct topic, but....that's why the check pilot asked for alternative controls to demonstrate flying the plane. Just something that done once or a few times can become a memory item if things...
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    665

    Assuming correct continuity a trim system should...

    Assuming correct continuity a trim system should still be able to help fly if the elevator controls are reversed or unavailable. One check pilot I had required a demonstrated trimmed departure,...
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    665

    Best to install and confirm controls before...

    Best to install and confirm controls before covering. Tie them up for later finishing.

    Gary
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    595

    Somewhere I read a leak in the pickup tube setup...

    Somewhere I read a leak in the pickup tube setup was the cause of lower oil pressure. As rpms rise the oil level in the sump dropped which made sucking it up less efficient. Not saying it's that...
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    Here:...

    Here: https://www.manualslib.com/manual/1140313/Piper-Usaf-Model-L-21a-Aircraft.html#manual

    +0*45min or +0.75 degrees per wing measured under the front spar. Fuselage laterally level of course. ...
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    I've used a paper sack with weight and cremains...

    I've used a paper sack with weight and cremains inside. One fold of the sack top. Drop throw it and the weight plus wind soon empty it if the height AGL is sufficient. One wanted to feed the fish in...
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    What is your weight versus gross and CG when...

    What is your weight versus gross and CG when practicing?

    Gary
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    644

    It should be possible to adapt a cylinder...

    It should be possible to adapt a cylinder leak-down tester so it feeds the oil pressure gauge (?) calibrated air. Oil temp accuracy can generally be noted from placing the temp probe in boiling...
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    Here's the small engine Continental Ops Manual:...

    Here's the small engine Continental Ops Manual: https://www.manualslib.com/manual/1960161/Continental-Motors-A-Series.html

    Note the recommended C90 oil pressure (30-60 p.s.i.) and oil temp range...
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    Sometimes someone will grind down the LR rudder...

    Sometimes someone will grind down the L<>R rudder stops to get more......action. Once the front portion of the rudder gets water pressure from excess taxi speed it can swing on its own to the new...
  11. Thread: Fuel primer

    by BC12D-4-85
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    1,332

    If the drains like to stick open it might be time...

    If the drains like to stick open it might be time to flush the tank(s) and clear the outlet screen if present. Once crap gets in the tank the outlet screen and small quick drain holes may not let it...
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    Psychotic Fairbanks +79* temp rise - finally. And...

    Psychotic Fairbanks +79* temp rise - finally. And I heard a mosquito today while burning burgers on the Weber. Credit: Rick Thoman local meteorologist.

    Gary
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    I'd call the rebuilder and exchange info so far....

    I'd call the rebuilder and exchange info so far. What oil is in the engine?

    Gary
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    3,091

    Could be>...

    Could be> https://www.cpc.ncep.noaa.gov/products/predictions/long_range/two_class.php La Nina is forecast to be going neutral

    Gary
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    3,091

    The current ice thickness (rivers/lakes) near...

    The current ice thickness (rivers/lakes) near Fairbanks is about 42". Our fish are still sleepy.

    Gary
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    Local PA-18 that's easy to see Gary

    Local PA-18 that's easy to see

    Gary
  17. Replies
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    2,852

    My favorite for pull tests are fixed pitch...

    My favorite for pull tests are fixed pitch seaplane props (or ski props in deep snow). Listen carefully as some audibly appear to transition from early "stumbling-popping" sounds with throttle...
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    How about this gadget...

    How about this gadget placed horizontal? Measure max G-force or acceleration for various props during takeoff? There are likely better gadgets available for that.

    Gary
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    As altitude increases the compression ratio of...

    As altitude increases the compression ratio of air and fuel stays the same...but effective cylinder pressure is reduced due to lower available air pressure. Heat produced should decline but so will...
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    Here's the latest Global Forecast System 10 day...

    Here's the latest Global Forecast System 10 day outlook for North America. Like springing back into winter.

    Gary
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    It may snow tomorrow then drop trough to -30F...

    It may snow tomorrow then drop trough to -30F Friday and Saturday nights. Lovin' every minute of it

    Gary
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    Actually in Fairbanks the local agencies quickly...

    Actually in Fairbanks the local agencies quickly got with 1'+ snow removal on public roads. That's thanks to excellent NWS pre-warnings of a major (for us) snow event. Now due to forecast low 850mb...
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    Early April's record snow and current cold in...

    Early April's record snow and current cold in Alaska was forecast several days ahead of its arrival. A major SW plume of moisture came inland from the Bering Sea. Anybody that ignored that...
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    During warm conditions wheel penetration skis...

    During warm conditions wheel penetration skis with the ski raised tend to tear things up as well. Have a look sometime at the results of their passing on snow.

    Gary
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    This is well beyond topic, but if interested read...

    This is well beyond topic, but if interested read Chapters 22/27 from this book: http://www.w3pga.org/Antenna%20Books/Reflections%20III.pdf

    It describes the antennas used by Sat phones and...
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