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Ventral crane for several helicopter

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  • Ventral crane for several helicopter

    The small contribution today will be related with some modding in three beautiful helicopters:

    The CERA BELL 212 (payware)
    The Nemeth Design Bell UH-1 Huey version C (payware)
    The Aerosoft Huey X (payware)



    The small modifications is to equip these models with ventral cranes but with two objetives in mind:

    The position of load (because this items are the principal condicion and critical for the aircraft stability) and the motor capability for lift this load.

    So, after several tests,and having achieved both objectives I will like to share this with msflight.net



    Beware the weight that you are loading! Do not attempt to lift a tank or container with these helicopters !. To lift that weight you will need more powerful machines as the Skycrane or CH47.
    The crane cable rupture limits was calculated if the weight exceeds the engines capability power.


    If you like to add this plugin, it is necessary to edit the aircraft.cfg file of each aircraft
    (remember to make a back-Up first!)



    CERA BELL 212:

    Locate and open the aircraft.cfg file and you only need to copy this text and paste it at the end of the file:

    ;---------------------
    [Sling.0]
    hoist_extend_rate = 5 //Feet per second
    hoist_retract_rate = -5 //Feet per second
    position = 0.0, 0.0, -0.56, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.6 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=45 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup
    hoist_payload_station = 5 //Payload station in which the hoist will load in and out of. 1 is first station.
    hoist_door=2 //Door associated with hoist. Must be open for use.

    [Sling.1]
    position = 0.0, 0.0, -3.56, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.75 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=70 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup

    ;---------------------

    In this helicopter, when you active the crane (ctrl+G), none door is opened. After crane activation, you can download or upload the cable with default keys "j" and "K".



    After you give the load, you need to make a constant control of torque indicator (marked as 1), because the little power of both motors are near limits (??). You need to unload passenger the helicopter or you can have a barbeque with both engines
    (yes, I know, CERA Bell212 reality have three engines with one ghost engine).


    Nemeth Design Bell UH-1C Huey (only for model UH1C, the UH1H model don't have crane or in this model are unreal)

    Locate and open the aircraft.cfg file (in folder ND uh1c) and you only need to copy this text and paste it at the end of the file:

    ;---------------------

    [Sling.0]
    hoist_extend_rate = 5 //Feet per second
    hoist_retract_rate = -5 //Feet per second
    position = 0.0, 0.0, -0.32, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.6 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=45 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup
    hoist_payload_station = 5 //Payload station in which the hoist will load in and out of. 1 is first station.
    hoist_door=1 //Door associated with hoist. Must be open for use.

    [Sling.1]
    position = 0.0, 0.0, -3.56, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.75 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=70 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup

    ;---------------------

    In this helicopter, when you active the crane (ctrl+G), the right rear door is opened. After crane activation, you can download or upload the cable with default keys "j" and "K".



    After you give the load, you need to make a constant control of torque indicator (1) and rotor speed (2), because the little power of motor are near limits. Also You need to unload passenger the helicopter or you can to sniff how to oil motor is burned and perhaps you need to wait to drinking coffe while the helicopter is revised by an angry mechanic.


    Aerosoft Huey X

    Locate and open the aircraft.cfg file and you only need to copy this text and paste it at the end of the file:

    ;---------------------

    [Sling.0]
    hoist_extend_rate = 5 //Feet per second
    hoist_retract_rate = -5 //Feet per second
    position = 0.0, 0.0, -3.56, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.6 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=45 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup
    hoist_payload_station = 5 //Payload station in which the hoist will load in and out of. 1 is first station.
    hoist_door=3 //Door associated with hoist. Must be open for use.

    [Sling.1]
    position = 0.0, 0.0, -3.56, //Feet from datum
    max_stretch = 2.0 //Max stretch distance at ultimate load
    damping_ratio = 0.75 //0 for no damping to 1.0 for critically damped.
    rated_load = 1000 //Characteristics tension of cable in pounds
    ultimate_load = 1500 //Breaking force in pounds
    tolerance_angle=70 //Angle, in degrees, used to determine lateral breaking force limit
    auto_pickup_range = 8 //Max Range, in feet, for auto-pickup
    auto_pickup_max_speed = 8.5 //Maximum speed (feet per second) for auto-pickup

    ;---------------------



    In this model the right rear door will be also open with crane active, and, as it happens with the two previous models that I have described, you need to make a continuous surveillance over the torque indicator. Although, however, aerosoft has given him a more powerful engine to this model, and the indicator will not go very soon to their limits.



    And, only by curiosity... the panel was mounted by a crazy operator? If you look carefully at the indicators (2) on the left in the picture... Maybe you see something strange..
    __________________________________________________ ___________________________
    ==> PS: Sorry for my poor english, I speak only spanish and is very hard for me to write any note in english.
    Last edited by BHELTRA V; November 30th, 2014, 11:37 AM. Reason: little corrections
    I am responsible for what I say, but not for what you can interpret...
    Animadvertistine, ubicumque stes, fumum recta in faciem ferri???
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