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  1. Replies
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    So, question, and comment: Question - what...

    So, question, and comment:

    Question - what kind of breaker is good enough to allow starter current, yet protect from short circuit?

    Comment: Currently using EarthX ETX-680C in a J3 and a J4...
  2. The wood spar fittings sure look easy to...

    The wood spar fittings sure look easy to duplicate. Not sure of the alloy, but I would guess 1025. A good structural engineer might suggest 4130 - might pay to ask a few questions. There is a...
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    People up here are charging $250-$400 to rent...

    People up here are charging $250-$400 to rent PA-18's plus an extra $75-$200/hr for instructors. Tac-Aero does training in actual FX-3's for almost same price, problem is you have to go there. You...
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    Me too. I teach turnbacks. We have target...

    Me too. I teach turnbacks. We have target altitudes and direction of turn scoped out for each aircraft and each runway, and when possible fly patterns that allow landing on the airport property...
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    So if the accident rate is 10% and the aircraft...

    So if the accident rate is 10% and the aircraft is roughly $200K, what kind of hull premiums do you think will be the norm? An experienced Cub driver I know is paying over $4 grand per yesr for hull...
  6. And you guys know that there is an FAR on the...

    And you guys know that there is an FAR on the subject allowing only four such flights per year without drug testing the pilots? And you have to give the FSDO copies of your license and flight...
  7. Thread: TSO Com?

    by bob turner
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    178
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    16,215

    Too early to really tell, but I think it worked!...

    Too early to really tell, but I think it worked!

    Steve took the "stub-equipped" Cub up and I followed in the non-stub J4. Twice during our 20 minute session I heard Socal clearances, and each...
  8. Thread: TSO Com?

    by bob turner
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    178
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    16,215

    First, a public thanks to Frequent. His stub...

    First, a public thanks to Frequent. His stub arrived in the mail Friday. I installed it and tested it yesterday (Saturday).
    It went in in about five minutes, thanks to an access panel i had...
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    Agree. There are apparently four ways to attempt...

    Agree. There are apparently four ways to attempt connection - I always get it right on the fourth attempt. Our J3s use the old Army Air Corps buckles with hammered fabric loops. Easy-peezy. ...
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    The brand W attaches to the center of the rear...

    The brand W attaches to the center of the rear spar carrythrough. See posts above. Ours are located to the side like "longwinglover" above, and when solo we don't even see them.

    Inertia reels...
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    I check the altitude readout each flight when I...

    I check the altitude readout each flight when I plan to be under class B.
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    The old methods, above, are the best.

    The old methods, above, are the best.
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    I was going to join the Stearman Society, but you...

    I was going to join the Stearman Society, but you guys are a wealth of information. Thanks! Is the "box" inside the starter?
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    Oh, yeah - I missed that in Fobjob's text. No...

    Oh, yeah - I missed that in Fobjob's text. No washers!
  15. Thread: TSO Com?

    by bob turner
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    16,215

    This one ok?

    This one ok?
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    Interesting thread. Is there anything that would...

    Interesting thread.
    Is there anything that would prevent using elastic stop nuts (shear type) on those bolts, except for the obvious hole in the drilled bolt?
    I see a lot of Cubs these days with...
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    Nomenclature is important. Airplane Flight...

    Nomenclature is important.
    Airplane Flight Manual - required to be on board.
    Pilot Operating Handbook - similar, but won't do - you need your N-number and an authorized signature.
    all those other...
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    Automotive. Be kind to that capillary. See...

    Automotive. Be kind to that capillary. See Richard’s post on the J3 forum.
  19. Thread: TSO Com?

    by bob turner
    Replies
    178
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    16,215

    It is not quite as painful as that. Other than...

    It is not quite as painful as that. Other than the 125.7 interference, these are the best radios I have ever worked with, the best displays, the best memory circuits, easiest to install, and by an...
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    Starting a 220 Stearman

    We periodically have starting troubles. Maintenance is being done by a good shop, but this one is the only round engine they deal with.

    I think the mags are Scintilla SF-7. We cannot find a...
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    Angle of incidence is different. The cub has a...

    Angle of incidence is different. The cub has a much higher empennage at the same angle of attack. Some say this is all of the speed differential. Others say the wider fuselage is the key. I have...
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    It has happened way too many times around here -...

    It has happened way too many times around here - once resulting in minor damage. The Super Cub is in a flying club, and while the pilot group with access is carefully selected, the brakes got...
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    Might ask yourself why the levers are missing. ...

    Might ask yourself why the levers are missing. We have a Super Cub with valves safety wired open. We did not do that arbitrarily; there was a reason.
  24. Thread: TSO Com?

    by bob turner
    Replies
    178
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    16,215

    I'll go there in a minute. I can probably handle...

    I'll go there in a minute. I can probably handle the math.

    Let me review: we discovered the frequency pair by noting, during Covid, that when one controller was running both sectors we got...
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    Really. I cannot measure the difference wheel...

    Really. I cannot measure the difference wheel pants on or off my Decathlon, and at 120 kts speed fairings are a lot more effective than at a Cub-like 80. We do have streamline tail wires on the J4,...
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