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  1. Sticky: See Post #31 for a possible cause. Another: if...

    See Post #31 for a possible cause. Another: if the left upper cabane separates and the right tire hits first it'll pull the V away from the left fitting to the extent of the upper safety cable's...
  2. Back when C.G Taylor designed the early E-2 Cub...

    Back when C.G Taylor designed the early E-2 Cub he did the wing right. Then the J-2 came along and ever since we've been trying to fix it or make it better. J-2 left and earlier E-2 right.
  3. Pete's third pic shown in the intro is an open...

    Pete's third pic shown in the intro is an open ended extended wing. I wonder if that's the final design (like Frank Knapp's Lil'Cub now has)? Above I mentioned sealing it...but maybe a sealed vs...
  4. Anecdotal conversations with folks that fly SEL...

    Anecdotal conversations with folks that fly SEL or SES low vs high - light vs heavy - seem to favor more wing span and area especially at altitude. Makes sense that aspect ratio. I've had both stock...
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    Here's a screen grab from Airframes...

    Here's a screen grab from Airframes (https://www.airframesalaska.com/PA-18-Strut-Fork-p/af89201-2.htm). Count 'em. Not sure if there's a range of options via manufacturer.

    Gary
  6. These reports have value but do take some...

    These reports have value but do take some struggle to understand. Mississippi State did lots or research via Prof. Raspet, Cornish, and Bryant among others. Cal Center (pers. com. from Charly @...
  7. Sticky: I 'think' the safety cables are designed to work...

    I 'think' the safety cables are designed to work under tension, and not as much under compression. If an upper cabane tab fails (at or near the AN5 bolt) the opposite side gear spreads out under...
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    https://www.wagaero.com/propellers/propeller-acces...

    https://www.wagaero.com/propellers/propeller-accessories.html

    Gary
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    Sensenich info:...

    Sensenich info: http://www.sensenich.com/documents/

    Wood prop?: http://www.sensenich.com/wp-content/uploads/2018/01/Installation_Instructions_Wood_Aircraft_Installation_1452800693.pdf

    Gary
  10. First try getting in and out of a one door...

    First try getting in and out of a one door factory Pacer/Tri-Pacer, especially as a passenger with the left seat occupied. By yourself it's not as much of a challenge I guess. I did it this week as a...
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    My wife found the Atlee design unacceptable. Tore...

    My wife found the Atlee design unacceptable. Tore into her leg once getting out of the back and from then on we moved the seat forward and left it upright. A latch would be good.

    Gary
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    I've had a couple cubs with that setup and always...

    I've had a couple cubs with that setup and always wanted to have them pinned so rear stuffing can't push the pilot forward in an upset. Getting out inverted or in the water would be tough.

    Gary
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    Charlie can you weigh the major components before...

    Charlie can you weigh the major components before assembly - wings, empennage, fuselage, FWF? Might be worth the effort. Not sure if covered or uncovered.

    Gary
  14. Sticky: Tough experiences. Steve thanks for sharing. Some...

    Tough experiences. Steve thanks for sharing. Some of us can't afford to fix the broken lesson.

    Gary
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    This question has been asked on other type forums...

    This question has been asked on other type forums with little consensus. Good to resolve.

    Gary
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    Do them a favor and replace. Lots of options fit...

    Do them a favor and replace. Lots of options fit the rib. Demers' are heavy. Had them on my Champ.

    Gary
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    I'm thinking almost straight steel tube (kinda'...

    I'm thinking almost straight steel tube (kinda' like Cessna) with tiny tire behind rudder. Lil'Cub has the idea.

    Gary
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    Fun competition. Time for a shorter contest tail...

    Fun competition. Time for a shorter contest tail wheel assy. Lots of AOA left off the table.

    Gary
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    Excessive snow loads or wind gusts (front but...

    Excessive snow loads or wind gusts (front but mainly rear from what I've seen) while parked can damage.

    The note in #49 about a change in expected span load distribution is interesting. Might be...
  20. Here's a basic wind tunnel test of three...

    Here's a basic wind tunnel test of three wingtips. Not much change noted among the choices. I assume the square end was closed over:...
  21. For fun put a cam inside the open wing looking...

    For fun put a cam inside the open wing looking out and tuft the rib supports as well to note local flow. Make the lower tufts longer so they can wrap and twist about up and back more. Color yarn by...
  22. A typical gen aviation wing can't easily be...

    A typical gen aviation wing can't easily be sealed to air pressure or it would expand or compress as altitude changes unless compensated. The upper and lower surfaces experience differential...
  23. Perhaps Lil'Cub's focus is going slow not fast....

    Perhaps Lil'Cub's focus is going slow not fast. He originally had tips and flat plates according to the pics available. Weight is everything when lift and power are fixed.

    Sky...which wing flew...
  24. I might try sealing the rib end w/o a tip with...

    I might try sealing the rib end w/o a tip with something to reduce turbulence drag. Maybe a thin polycarbonate plate. I've had those Horner/Hendricks tips on two Supercubs - one was already on and...
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    Nothing there a front wheel ski with adequate...

    Nothing there a front wheel ski with adequate prop clearance couldn't fix.

    Gary
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