Which Way Changing Contact Points?
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Thread: Which Way Changing Contact Points?

  1. #1
    SOH Staff Devildog73's Avatar
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    Which Way Changing Contact Points?

    Okay guys,

    This is KM's P40E at Calais, France.

    Which way do I adjust the contact point numbers to get my wheels out of the mud?

    Thanks,

    Lee
    Attached Thumbnails Attached Thumbnails Contact Points.jpg  
    Devildog73

    Semper Fi
    "Earned RESPECT seldom needs to demand respect"

  2. #2

    Icon14 Reply...

    Lee,

    One of the things we've done is to create a general information / tweaking thread. What you are looking for has been discussed: http://www.sim-outhouse.com/sohforum...g-thread/page3

    Begin with post #44 and work your way through. There's an attachment by Captain Kurt that should help.

    P.S. - I was going to respond with "push the throttle in," but I figured this was more helpful.
    "Rami"

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  3. #3
    SOH Staff Devildog73's Avatar
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    Quote Originally Posted by Rami View Post
    Lee,

    One of the things we've done is to create a general information / tweaking thread. What you are looking for has been discussed: http://www.sim-outhouse.com/sohforum...g-thread/page3

    Begin with post #44 and work your way through. There's an attachment by Captain Kurt that should help.

    P.S. - I was going to respond with "push the throttle in," but I figured this was more helpful.
    ROFLOL!
    Hey, sitting at home gaining weight.
    What else do I have to do until the world comes to our senses..........
    Devildog73

    Semper Fi
    "Earned RESPECT seldom needs to demand respect"

  4. #4
    Quote Originally Posted by Devildog73 View Post
    Okay guys,

    This is KM's P40E at Calais, France.

    Which way do I adjust the contact point numbers to get my wheels out of the mud?

    Thanks,

    Lee
    go to the [contact_points] section in your aircraft.cfg folder: (save a backup copy first). The first three lines are the landing gear. The 1st point is your tail wheel, the 2nd and third are your two MLG. The numbers in each line contain these elements: (they are relative to the reference point in the weight and balance section)

    1 (1) Class Integer defining the type of contact point: 0 = None, 1 = Wheel, 2 = Scrape, 3 = Skid, 4 = Float, 5 = Water Rudder
    2 (-18.0) Longitudinal Position The longitudinal distance of the point from the defined reference datum (feet). Positive is forward (out the nose).
    3 (0) Lateral Position The lateral distance of the point from the defined reference datum (feet). Positive is starboard (right, as viewed from the top with the airplane pointing “up”).
    4 (-3.35) Vertical Position The vertical distance of the point from the defined reference datum (feet). Positive is up.


    Gradually decrease the vertical position in short increments to the MLG, save the cfg file, reload the airplane and take a look. A pain in the neck, be patient.

  5. #5
    SOH Staff Devildog73's Avatar
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    Okay,
    Here is the original:
    [contact_points]
    static_pitch = 16.27
    static_cg_height = 5.58
    max_number_of_points = 7

    point.0 = 1, -15.9, 0, -2.1, 3200, 0, 0.5, 45, 0.36, 2.5, 0.9, 4, 5, 0, 155, 250
    point.1 = 1, 1.2, -4, -6.4, 2200, 1, 1.35, 0, 0.5, 2.5, 0.86, 7, 3, 2, 155, 225
    point.2 = 1, 1.2, 4, -6.4, 2200, 2, 1.35, 0, 0.5, 2.5, 0.86, 7.5, 6, 3, 155, 225
    point.3 = 2, -0.0377, -18.7117, 0.8316, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0
    point.4 = 2, -0.037, 18.7018, 0.887, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0
    point.5 = 2, -20.0477, 0, 0.9725, 2400, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0
    point.6 = 2, 7.6082, 0, -1.629, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0

    Here is what I changed it to:
    [contact_points]
    static_pitch = 15.39
    static_cg_height = 5.69
    max_number_of_points = 7

    point.0 = 1, -15.9, 0, -2.1, 3200, 0, 0.5, 45, 0.45, 2.5, 0.9, 1, 4, 0, 200, 398.935
    point.1 = 1, 1.2, -3, -6.4, 2200, 1, 1.35, 0, 0.64, 2.5, 0.86, 5.5, 6.5, 2, 200, 427.429
    point.2 = 1, 1.2, 5, -6.4, 2200, 2, 1.35, 0, 0.64, 2.5, 0.86, 5.5, 5, 3, 200, 427.429
    point.3 = 2, -0.0377, -18.6562, 0.8315, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0
    point.4 = 2, -0.037, 18.6462, 0.9422, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 6, 0, 0
    point.5 = 2, -19.902, 0, 0.8748, 2400, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0
    point.6 = 2, 7.6082, 0, -1.629, 1200, 0, 0, 0, 0, 0, 0, 0, 0, 4, 0, 0
    Devildog73

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    "Earned RESPECT seldom needs to demand respect"

  6. #6
    SOH Staff Devildog73's Avatar
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    Got the Starboard wheel on the ground!
    I have no idea what you all are saying as far as the numbers.
    I'm a visual learner.
    Between Captain Kurt and Mike71, all I can figure out is the Point 1 is apparently the right main landing gear.
    I have no clue which point is the left main gear.
    I have no clue which is the tail wheel.
    Which is why I posted the strings of the aircraft with original and changes I made, one of which actually worked.
    Lee
    Attached Thumbnails Attached Thumbnails Contact Points 2.jpg  
    Devildog73

    Semper Fi
    "Earned RESPECT seldom needs to demand respect"

  7. #7
    point 0 is the tail wheel (0)
    Point 1 is the left main gear (-4)
    Point 2 is the right main gear (4)

    These numbers define left/right position relative to the center line of the aircraft, not the height above the ground that the wheels sit on.

    The wheel height is the next set of numbers after the left/right numbers. Adjust these numbers up or down until you are happy with the wheel positions. Point one and point 2 numbers should be the same as they are the main wheels.
    Cheers,

    Captain Kurt
    ------------------------------------------------------
    "Fly, you fools!" Gandalf the Gray

  8. #8
    SOH Staff Devildog73's Avatar
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    Quote Originally Posted by Captain Kurt View Post
    point 0 is the tail wheel (0)
    Point 1 is the left main gear (-4)
    Point 2 is the right main gear (4)

    These numbers define left/right position relative to the center line of the aircraft, not the height above the ground that the wheels sit on.

    The wheel height is the next set of numbers after the left/right numbers. Adjust these numbers up or down until you are happy with the wheel positions. Point one and point 2 numbers should be the same as they are the main wheels.
    Thanks, Captain Kurt,
    I will play with them and see what happens.
    Lee
    Devildog73

    Semper Fi
    "Earned RESPECT seldom needs to demand respect"

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