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Type: Posts; User: da Rock

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  1. There are a number of online applications that...

    There are a number of online applications that use the formulas in use within the aircraft and airline industries. They require nothing more than a few minutes with a yardstick.

    Here is a good...
  2. Replies
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    152

    I've asked that same question more than once. ...

    I've asked that same question more than once. Gotten no answers at all.

    Apparently the reputation Wingspan built with their original products scared everyone away from the "new" ones. I know...
  3. Thread: Wind

    by da Rock
    Replies
    65
    Views
    1,363

    Actually, it's not a shame at all. The great...

    Actually, it's not a shame at all. The great thing about forums is each of us can decide to skip anything that looks like "self bickering" and move to the next post. No forum has a rule that you...
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    Keep in mind the initial location for a new model...

    Keep in mind the initial location for a new model is intended to produce an aircraft that is safe to fly. Good designers match that CG up with the control settings to give an easy to fly model for...
  5. Thread: Spinners

    by da Rock
    Replies
    21
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    511

    The backplate shown in the ad for the MPI 4.5"...

    The backplate shown in the ad for the MPI 4.5" spinner ($40) doesn't look very thick. A Johnson Stunt Supreme I once had would throw spinners regularly. One night, I used some brass wire and a...
  6. Thread: Spinners

    by da Rock
    Replies
    21
    Views
    511

    When a cone continually loosens in use, the...

    When a cone continually loosens in use, the problem is with the surfaces on the cone that contact the cone. Rough them up to introduce significant friction to resist spinning.

    If your backplate...
  7. Thread: Spinners

    by da Rock
    Replies
    21
    Views
    511

    Simply stop tightening the cone before the...

    Simply stop tightening the cone before the backplate starts to warp. Large spinners are not what binds the prop to the drive shafts. They don't have the leverage to do so.

    The cone should...
  8. As for those of you calling other members...

    As for those of you calling other members names.......................

    Cut it out.

    This is a forum about Warbirds and Warplanes, not about other people. If your post is about somebody else,...
  9. They are a keystroke away. The key or button is...

    They are a keystroke away. The key or button is in the lower left of the offending post. It's a triangle with an "!" in it. Punch the magic button and report what you feel is a violation of the...
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    Not worried about a thing. Wanted to know what...

    Not worried about a thing. Wanted to know what the installation of those retracts would cost in weight and money and that doesn't seem to be easy to find.

    Do you know?
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    183

    The two angles are shown on this drawing. ...

    The two angles are shown on this drawing.

    2013710

    The inner wing panels are 7.5 degrees while the outer ones are -2 degrees.
  12. Make the model level, then the balance point will...

    Make the model level, then the balance point will transfer directly above and directly below where the CG is marked. If there is top wing above, you now know where you can balance using the top...
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    No user reports. How heavy is the installation...

    No user reports. How heavy is the installation including tank and hoses etc.? How much is the total cost including tank and hoses etc.?
  14. Replies
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    183

    Model of a Mini-moa?

    Model of a Mini-moa?
  15. Replies
    12
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    183

    Angle of wing to fuse? Dihedral?

    Angle of wing to fuse?

    Dihedral?
  16. 20130592013060 I use eFlite 25-46 rotators on...

    20130592013060

    I use eFlite 25-46 rotators on one of my 2 TF Corsairs. It weighs 7lb 6oz landing weight. It's an electric. The other is powered by an OS90 and weighs about a half-pound...
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    263

    Now we're getting somewhere on the warnings. ...

    Now we're getting somewhere on the warnings.

    Buckner's advice is dead on (pun intended again). There is a huge load on the prop blade where it is being driven by the spinner. AND.... keep in...
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    5
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    263

    Can you use a folding prop on a reciprocating...

    Can you use a folding prop on a reciprocating fuel engine? Depends on the engine and spinner/prop. The engine must be smooth and the prop/hardware must be very strong. It is not done very often...
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    5,246

    Has Robart ever advertised any suggested models...

    Has Robart ever advertised any suggested models for those gear?
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    5,246

    The TF Corsair and P40 are both waiting for...

    The TF Corsair and P40 are both waiting for retracts so neither has "gone off to war" yet. The TF was delayed for awhile due to the center section of the wing being royally screwed from the factory....
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    We can safely wipe monocote with acetone to...

    We can safely wipe monocote with acetone to remove smeared cyanoacrylate glue without damaging the covering. I'd try soap and water first, then acetone if the soap doesn't work.
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    Looking at the plans in the picture on the left,...

    Looking at the plans in the picture on the left, it shows the desired construction with beveling into the thicker lower sheet, the high point is obviously desired to be much farther toward the LE. ...
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    5,246

    Uh oh.... I just measured my 60-size Corsiars...

    Uh oh.... I just measured my 60-size Corsiars (TF and H9), the TF P40, and H9 Hellcat, and it looks like the new Robarts may be a too large by enough that I think I'll wait for someone else who can...
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    You might consider swapping them with the Lado...

    You might consider swapping them with the Lado 333-RBs you mention in another thread and then can report on how the ground handling changes.

    I'm thinking hard about trying them myself. I got a...
  25. Replies
    1,980
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    181,823

    Yes, those are good reliable rotators. They...

    Yes, those are good reliable rotators. They have been for a couple of years.

    With any luck at all, someday Lado will make some that come down farther than 90 degrees. I've had those in a...
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