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Type: Posts; User: Gordon Misch

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  1. Replies
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    Poll: Nope. As I see it, the part 91 requirements...

    Nope. As I see it, the part 91 requirements cited above are controlling. And as a matter of opinion, they are sufficient for "friendly IFR".

    As a practical matter, what is important? That...
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    Poll: Agree. And certified ground-based navigation...

    Agree. And certified ground-based navigation (VOR, ILS), if certified GPS navigation not installed.

    That's what I'm hanging my hat on for what I do and what Windy called "friendly" IFR...
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    Yup - purging is used on critical welds. Edit:...

    Yup - purging is used on critical welds.
    Edit: Oops - I see CharlieN already answered.
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    I don't actually "know" the answer to that, and I...

    I don't actually "know" the answer to that, and I think the correct answer is "it depends" but here's my take on it.

    Post heat can do two things. It can relieve residual weld shrinkage...
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    Bravo to Oliver for his attitude in the previous...

    Bravo to Oliver for his attitude in the previous post (91). I've only used Stits and Stewarts. I had some trouble with both, and in both cases I think it was my own fault. My first go-round...
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    Not the only factor. A large weld section can...

    Not the only factor. A large weld section can create an adjacent stress concentration notch. And an asymmetric weld can be worse yet. Also, the rapid rate of heating / cooling with tig or mig...
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    fs 2003 corporation PIA, but - - - -

    fs 2003 corporation

    PIA, but - - - -
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    1025 CD Yield 54 KSI Ultimate 64 KSI...

    1025 CD
    Yield 54 KSI
    Ultimate 64 KSI
    Elongation 15%
    Brinell hardness 126
    http://matweb.com/search/DataSheet.aspx?MatGUID=aa1c987a696e42bd95ddad57e5f3e1c7&ckck=1

    4130N
    Yield 63 KSI
    Ultimate...
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    Best if the line of action of the shock passed...

    Best if the line of action of the shock passed through the center of that "x" cluster. Right now it looks like it's imposing bending on the four tubes making up that cluster. But maybe the photo...
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    When I bought my -12 it had a swing-away cover on...

    When I bought my -12 it had a swing-away cover on the cockpit side of the firewall. Open in winter, closed in summer. I "think" that was factory. Super-simple - - -

    edit: That wasn't very...
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    Yup, and he knows Stinsons. super-12.com ...

    Yup, and he knows Stinsons. super-12.com 360-245-3478
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    I think it's more than that. He sent me a...

    I think it's more than that. He sent me a measurement a day or two ago, and I think it was more like an inch+ in comparison to Piper's PA-12 drawing and the Exp I'm working on now.

    I don't have...
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    Flew a buddy's -18 a few days ago, in part to...

    Flew a buddy's -18 a few days ago, in part to compare with my -12. It seemed a little less responsive in roll, but comfortable, and MUCH lighter in pitch - with seemingly greater stick deflection....
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    Longer stick, Bob. No string required. :lol: ...

    Longer stick, Bob. No string required. :lol: And - - - know YOUR cork. Then all is good.
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    Great news. We are putting Grove all around on...

    Great news. We are putting Grove all around on the Exp.
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    Only if that 1/4" line has a high spot. So...

    Only if that 1/4" line has a high spot. So depends on how that line is plumbed into the main tank. Near the top would be best. My T-craft didn't have that problem, for whatever reason. 12...
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    Windy, what, if anything, are you doing different...

    Windy, what, if anything, are you doing different now to try to avoid that problem? I haven't had any sticky valve problems (except the Wisconsin engine on my baler), but - - -
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    Good reminders and well said. Thanks.

    Good reminders and well said. Thanks.
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    In my opinion, that would be a resounding "no". ...

    In my opinion, that would be a resounding "no". Stress risers.
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    Right. I did a lot of straightening of stuff...

    Right. I did a lot of straightening of stuff (rotating shafts, hydraulic cylinder rods, etc) before I sold my machine shop. Cold straightening, gotta go a little past the desired point, then...
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    John, maybe I'm mistaken - I thought dry sanding...

    John, maybe I'm mistaken - I thought dry sanding was the preferred method with Stewarts. Could you please clarify? Thanks!
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    There's one burr under my saddle, and that is the...

    There's one burr under my saddle, and that is the concept of a component failure causing complete landing gear failure, as compared to partial failure, when the system is stressed beyond design...
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    Yes, I understand that - I should have been...

    Yes, I understand that - I should have been clearer with my question. How much of a problem is that in the tailwheel Cessnas?
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    Could you please explain more? I've had the...

    Could you please explain more? I've had the Bodell brakes (floating fiber disc) on my -12 for decades, with never a maintenance issue (yet!). Thanks -
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    Question for you guys who fly 180s. That gear...

    Question for you guys who fly 180s. That gear brings the wheels to zero camber when the full weight of the airframe is on them. It sounds like the Berringer is the same. However the 180...
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