RE: Nitro models pusher Bobcat?  
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  • All Forums >> RC Airplanes >> RC Jets >> RE: Nitro models pusher Bobcat?
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    RE: Nitro models pusher Bobcat? - 6/17/2008 2:33:56 PM   
    bertnhank


     

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    From: Calver City, KY, USA
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    Well I guess I am an amateur. I got a Bobcat, stuck a Super Tiger 45 on it with an apc 10X7 pusher prop, took an OS muffler had my brother-in-law take it to the machine shop where he works, they made a brass (round) plate to fit the muffler, I reversed it blowing backwards to push the exhaust away from the plane.

    Balanced it at 10.5 " from the L E ( as stated in the manual). Put solid landing gear on the wings and a locked down retract in the nose.

    Fueled it up and flew it.

    As the old saying goes KISS.

    (in reply to cyborg1)
           Post #: 3251

    RE: Nitro models pusher Bobcat? - 6/17/2008 2:38:01 PM   
    bertnhank


     

    Posts: 30
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    From: Calver City, KY, USA
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    Oh yeah, did not even think of any servos other than standard Futaba and Hitech. put in a bunch of extensions, Y's , hooked them all together and bolted the wing on with a 4-40 plastic bolt and blind nut.

    (in reply to bertnhank)
           Post #: 3252

    RE: Nitro models pusher Bobcat? - 6/17/2008 4:56:57 PM   
    opjose



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    From: Poolesville, MD, USA
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    How's it fly that way?



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    RE: Nitro models pusher Bobcat? - 6/18/2008 8:22:59 PM   
    bertnhank


     

    Posts: 30
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    From: Calver City, KY, USA
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    It flew fine.

    My second flight, got a little cocky, added more elevator, and more ailerons, got into a little trouble, brougt in, and luckily noticed I had lost a wheel so I bled out all the speed I could, and landed it.

    Bent the wheeless landing gear, brought it home and strengthened that one, put a new wheel on it and will take it back up Friday, weather permitting.

    (in reply to opjose)
           Post #: 3254

    RE: Nitro models pusher Bobcat? - 6/19/2008 1:33:33 AM   
    Pit-Viper 1



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    From: Westminster, CO, USA
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    How many and what length servo extensions will be needed for this? I am preparing to start mine now that the P-40 and Corsair are done.


    Thanks Shane

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    (in reply to bertnhank)
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    RE: Nitro models pusher Bobcat? - 6/19/2008 2:45:15 AM   
    bertnhank


     

    Posts: 30
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    Let me get back to you, I will have to go over ny notes, will let you know by tomorrow.


    Hank

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           Post #: 3256

    RE: Nitro models pusher Bobcat? - 6/19/2008 2:48:30 AM   
    Pit-Viper 1



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    Thanks Hank, appreciate it..


    Shane

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    RE: Nitro models pusher Bobcat? - 6/19/2008 3:32:46 AM   
    bertnhank


     

    Posts: 30
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    Shane:

    Got a few minutes.

    The manual calls for 8 servos, I used 7. I only used one for the elevator.

    The vertical stabs have room for 2 servos each. I put the rudder servos in the lower positions and the elevator in the upper on one of the tails. The normal connectors on a servo should make it all the way out the bottom of each vertical stab. They will go in the holes on the top of the wing. Here is where you will need 3 12" extensions (4 of you use two servos for the elevator). If you use shorter, you will have trouble making it through the wing to the fuselage. Make sure to mark them, because the will travel the same path as the aileron connectors. I used 6" extensions on the ailerons to get to the fuselage.

    In the fuselage, you will need a Y for the ailerons, one for the rudders, and depending on where you locate your receiver, another extension for the elevator or a Y if you put two servos to the elevator.

    I always put a short extension in my receiver, so it is easier to connect a Y to the receiver.

    You will need another Y for the Y that you used for the rudder servos which will join your nose wheel servo going to your receiver.

    This bird is tough to connect at the field, so I transport it assembed. I have a mini van, and plenty of room for it another plane, my tool box and my radio plus supplies.


    If you need any other help, let me know, just go slow, this bird is odd.


    Hank

    (in reply to Pit-Viper 1)
           Post #: 3258

    RE: Nitro models pusher Bobcat? - 6/19/2008 4:47:01 AM   
    Pit-Viper 1



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    Thats great, thanks again.. yeah I figure I better get everything I need before I get started as there seems to be a lot of head scratching on this one. Seems like a very fun plane to fly though..

    Thanks again

    Shane

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    RE: Nitro models pusher Bobcat? - 6/20/2008 5:25:25 AM   
    Stick Jammer



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    Pit-Viper 1,
    With the receiver mounted just behind the nose gear former you'll need 24" extensions for the aileron servos and 36" extensions for any servos in the tail booms. A "Y" connector will not work for duel elevator servos unless it is a reversing Y. If you are using at least a six channel receiver you won't need a Y for the ailerons. If you have 8 channels and fixed gear, you won't need any Y's at all. 6" and 12" extensions don't get ya very far in this plane.

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    RE: Nitro models pusher Bobcat? - 6/20/2008 7:58:54 AM   
    Pit-Viper 1



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    Now with extensions that long shouldn't you use a servo booster? I've read that leads any longer than I think it was 30" can start to get a weak signal.

    Shane

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    RE: Nitro models pusher Bobcat? - 6/20/2008 7:11:50 PM   
    bertnhank


     

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    As light as my receiver is, I saw no need to move it forward at all. I have my battery as far forward as possible, but my receiver is close to where all the servo connections enter the fuselage.

    I guess I keep it as simple as I can


    Hank

    (in reply to Pit-Viper 1)
           Post #: 3262

    RE: Nitro models pusher Bobcat? - 6/20/2008 8:00:23 PM   
    Pit-Viper 1



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    Thats what I will be doing as well, always try to locate the receiver where it will take the least amount of damage if possible.


    Shane

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    RE: Nitro models pusher Bobcat? - 6/24/2008 5:51:28 PM   
    bertnhank


     

    Posts: 30
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    From: Calver City, KY, USA
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    Well, the 45 Super Tiger is just not enough on the Bob Cat.

    It is O.K. as long as you don't have any crosswind, but I fly on grass, and the wind is near the Ohio river and changes.

    Going to go to a S Tiger 75 with a 10-7 prop, that should do it. All else is fine with the plane.


    Hank

    (in reply to Pit-Viper 1)