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? - 8/22/2006 1:33:23 AM   
    mugenkidd



    Posts: 1498
    Joined: 11/28/2002
    From: Oklahoma City, OK, USA
    Status: offline     		Just got mine in today also. I'm going to go ahead and use a .46 fx and try and see how light I can make the plane and see how it balances/performs on the 46 (doesn't seem like anyone else is going this route). If I like it I may do something like a Dubb Jett .46 in it later.

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           Post #: 151

    RE: Nitro models pusher Bobcat? - 8/22/2006 2:10:08 AM   
    dragonpilot



    Posts: 312
    Joined: 2/4/2005
    From: Austin, TX, USA
    Status: offline     		I was able to order one although I paid a bit more so for all those who got em cheap, well done. At first glance the kit and build seems very good, The paint work look well done as well. I'm impressed at this point. It was also packaged very well. The kit is far superior to any Lanier kits and others I've built. I hope they produce more and offer them at the same price, I would order another - (assuming it DOES fly!). I was planning on putting a dynamax fan and a .61 on it. We'll see with all the balancing concerns to date.

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           Post #: 152

    RE: Nitro models pusher Bobcat? - 8/22/2006 2:28:41 AM   
    Jetset



    Posts: 801
    Joined: 1/2/2002
    From: Picton, ON, CANADA
    Status: offline     		Is there not anyone who has a flight report yet?? Anxiously waiting for flight report everyone!
    Seems like a good deal for this plane.
    Myles

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    (in reply to dragonpilot)
           Post #: 153

    RE: Nitro models pusher Bobcat? - 8/22/2006 3:05:40 AM   
    noahb



    Posts: 551
    Joined: 1/19/2002
    From: Carlsbad, NM, USA
    Status: offline     		I have calculated the cg several times using different websites, and formulas. They all come out about the same. Around 11" back from the leading edge of the wing AT THE CENTER OF THE FUSE or around 9.3 or so from the leading edge where it meets the fuse. This would agree with the few post back. However, this does not take into account the lifting design of the tail. But I am not sure that it would make all that much diff. However, I am going to get some measurments on a bvm bobcat wing and then run the numbers on it and see if it comes out where the formulas say. If so, then I will prob. try and bal. somewhere between the cg rec. and what I caculated.

    any ideas on this?

    (in reply to Jetset)
           Post #: 154

    RE: Nitro models pusher Bobcat? - 8/22/2006 3:46:13 AM   
    CARS II


     

    Posts: 1962
    Joined: 10/14/2002
    From: Rancho Cordova ( Sacramento ), CA, USA
    Status: offline     		Miles

    Ask Easykitty, apparently he has the answer for every question in the universe, I don't know, may be it is that he's to smart for me.


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           Post #: 155

    RE: Nitro models pusher Bobcat? - 8/22/2006 3:54:04 AM   
    EASYTIGER


     

    Posts: 7676
    Joined: 12/7/2001
    From: nyc, NY, USA
    Status: offline
    quote:

    ORIGINAL: CARS II

    Miles

    Ask Easykitty, apparently he has the answer for every question in the universe, I don't know, may be it is that he's to smart for me.


    Yes, I probably am. I am also too gracious to point it out, but since you brought it up...
    I have one on the way, and MAYBE one of the Avia-Richmodel ones, (the all balsa one), but I don't know exactly what I will do with it.
    I'm kind of thinking what Mugenkidd is thinking...that unless you are trying to see exactly how heavy you can make it, for future turbine conversion, that lighter is better. I think a YS45 is the ticket, I have to look in the archive and see if I have one!


    (in reply to CARS II)
           Post #: 156

    RE: Nitro models pusher Bobcat? - 8/22/2006 4:01:13 AM   
    CARS II


     

    Posts: 1962
    Joined: 10/14/2002
    From: Rancho Cordova ( Sacramento ), CA, USA
    Status: offline     		At least we agree on one thing, the YS 45 is the ticket for the Bobcat.

    Good luck with it.


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    CARS II
    To infinity and beyond...........

    (in reply to EASYTIGER)
           Post #: 157

    RE: Nitro models pusher Bobcat? - 8/22/2006 4:10:16 AM   
    EASYTIGER


     

    Posts: 7676
    Joined: 12/7/2001
    From: nyc, NY, USA
    Status: offline
    quote:

    ORIGINAL: CARS II

    At least we agree on one thing, the YS 45 is the ticket for the Bobcat.

    Good luck with it.


    IF I had known YOU said YS45, I would have definitely recommended something different! Damn, too late.
    The 45 is often the ticket for this kind of thing, the Combat Models F-15, etc, it does not mind being a pusher, and it really honks.
    But I don't really WANT a glow pusher prop plane...just not that interesting to me, been there already, so I may do large EDF instead.
    I do understand the point of B-58, though, of stuffing in a large engine just to add weight to see how it goes before doing a turbine. That makes sense to me.
    Noah...IS the stab a lifting section? You mentioned the lift of the stab...

    (in reply to CARS II)
           Post #: 158

    RE: Nitro models pusher Bobcat? - 8/22/2006 4:42:50 AM   
    Crazy4Flight



    Posts: 2261
    Joined: 9/15/2002
    From: Milford, MI, USA
    Status: offline     		easy,

    The stab is an flat bottom airfoil, ( wing is flat bottm too) you should be able to get a hitec thin wing servo in the stab if desired. But will have to drill through the fin panel's ribs (2 of them...or more? ) to feed the servo lead.

    Work on mine in spare time a Dubb Jett BSE 50 should be here tomorrow.
    I plan on wing bolts similar to my roo for wing attachment (not glue!)
    Fixed gear for now spring airs next winter
    with any luck i will fly it this weekend. with full report (AKA Crash damage)

    (in reply to EASYTIGER)
           Post #: 159

    RE: Nitro models pusher Bobcat? - 8/22/2006 5:34:54 AM   
    topper5


     

    Posts: 54
    Joined: 1/19/2005
    From: SPRINGVILLE, UT, USA
    Status: offline     		well guy's this is the finished product with the YS-45 and tuned pipe with a 10x7 prop, my CG is 175mm (6.9in), total weight is 8 1/4lb, I'm gonna go for the maiden Wednesday.

    Attachments
    Click to see fullsize image.
    Click for fullsize


    < Message edited by topper5 -- 8/22/2006 5:40:24 AM >

    (in reply to Crazy4Flight)
           Post #: 160

    RE: Nitro models pusher Bobcat? - 8/22/2006 5:48:33 AM   
    CARS II


     

    Posts: 1962
    Joined: 10/14/2002
    From: Rancho Cordova ( Sacramento ), CA, USA
    Status: offline     		Finally, we are about to see the light or should I say the flight? he he . Thank you topper5.


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    CARS II
    To infinity and beyond...........

    (in reply to topper5)
           Post #: 161

    RE: Nitro models pusher Bobcat? - 8/22/2006 12:06:32 PM   
    G-ROOKIE


     

    Posts: 168
    Joined: 6/2/2003
    From: JACKSON, MS, USA
    Status: offline     		Can you show more pic's of your canopy? I need to know how you are fixing the canopy.

    (in reply to topper5)
           Post #: 162

    RE: Nitro models pusher Bobcat? - 8/22/2006 3:15:41 PM   
    B58


     

    Posts: 579
    Joined: 3/19/2002
    From: La Luz, NM, USA
    Status: offline     		ET, another reason to go with the FX .91 is that I have one. I also have an unrun K&B .61 with pump that is sitting here looking pretty. I thought about that too and I could mount the tank far forward. But with the other opinions on the cg I will probably stick with the OS. Really looking forward to some flight info. I will finish the P-47 I have been slowly working on today, and that will free up time and space for the little Bobcat. Bob

    (in reply to G-ROOKIE)