Curtiss P-40N Warhawk from Hobby Lobby  
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    • All Forums >> Electric Aircraft Universe >> Foamies! - RC Electric Foam Aircraft >> Curtiss P-40N Warhawk from Hobby Lobby
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    Curtiss P-40N Warhawk from Hobby Lobby - 10/6/2003 3:08:15 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Hi,

    I am starting this thread to colaborate ideas from R/Cers that may be building the Curtiss P-40N Warhawk from Hobby Lobby. I am building mine stock and will show some photos along the way.

    The plane has lots of parts for an ARF but it is because there is incredible detailing on this warbird and the kit includes two different finishing schemes.

    Here are the foam parts. The fuselage and tail have many pre-assembled parts in them already.

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    < Message edited by Greg Covey -- 10/6/2003 3:18:08 PM >

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/6/2003 3:19:19 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Here are the plastics.

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/6/2003 3:25:08 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Here is the power system.

    A geared 7.7:1 Speed 300 motor, 3-blade prop, and red spinner.

    An 8-Cell 720 mAh NiMH Folded pack and 11amp Jeti ESC.

    Attachments
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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/6/2003 3:31:37 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Since the gearbox does not reverse the rotation of the motor shaft, the ESC "+" wire is soldered to the red dot terminal on the motor.

    The Graupner Speed 300 motor is allowed to run in the forward direction for maximum power.

    Attachments
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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/6/2003 3:35:45 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		The custom cut firewall fits the gearbox like a glove after a little sanding.

    The gearbox is then lightly sanded to rough up the surface before gluing.

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 2:53:48 PM   
    clarock


     

    Posts: 31
    Joined: 8/21/2003
    From: Jacksonville, FL, USA
    Status: offline     		Thanks for starting this thread Greg. I just received my P-40N for my birthday. I am finishing up on my Dandy Sport from Mountain Models to get some aileron flight experience before I try this plane. I was wondering if my 8 cell 1100 folded Nicad pack from my Wingo upgrade would work OK in this plane when I get ready to fly it?

    (in reply to Greg Covey)
           Post #: 6

    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 3:08:14 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Hi,

    If you're talking about the B11X8F 8 Cell 1100 X-Cell Folded NiMH Pack from Hobby Lobby then it might work.

    That pack weighs 6oz compared to the 4oz stock 720mAh pack. My understanding is that this plane flies very well using the stock Speed 300 setup so the extra 2oz shouldn't hurt it too bad. If it works well, you'll get some long flights!

    I plan to alternate my stock 8-cell, 720mAh, NiMH pack with a 3-cell, Kokam 1500HD pack that weighs about the same as the stock pack. This approach, while costing more, doubles your duration and gives you extra power without any weight change.

    < Message edited by Greg Covey -- 10/7/2003 3:09:34 PM >

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 4:26:47 PM   
    Demon



    Posts: 451
    Joined: 4/10/2002
    From: Ledyard, CT, USA
    Status: offline     		Greg,
    Could you post a link to more info on that "3-cell, Kokam 1500HD pack" and where to buy them? Some info on the charger you're using for it would also be most helpful.

    Thanks!
    D

    PS
    No P-40 yet - hopefully in taday's mail...

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    Darin Bellis
    RCCA 426

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 4:54:01 PM   
    P-51B



    Posts: 6173
    Joined: 10/11/2002
    From: An Iceburg in, ANTARCTICA
    Status: offline     		http://www.fmadirect.com/site/home.htm

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 4:59:10 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		You can get them from FMA Direct as P-51B posted or you can buy them right from Hobby Lobby.

    For charging Lithium packs, I prefer the dedicated Lithium chargers like the Kokam LiPo-402 also sold here at Hobby Lobby.

    < Message edited by Greg Covey -- 10/7/2003 5:00:14 PM >

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/7/2003 5:16:05 PM   
    Demon



    Posts: 451
    Joined: 4/10/2002
    From: Ledyard, CT, USA
    Status: offline     		Thanks guys!

    After reading through some of the threads in the "Power Sources" forum here, looking at the various warnings everywhere and at the prices, I think I'll stick with the NiMH packs until Li-Po technology matures a bit more.

    Greg,
    Have you made any progress on the P-40's construction?

    D

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    Darin Bellis
    RCCA 426

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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/8/2003 5:57:46 PM   
    Demon



    Posts: 451
    Joined: 4/10/2002
    From: Ledyard, CT, USA
    Status: offline     		My P-40 came in yesterday's mail. I spent a couple hours last night getting the wing assembled and the plastic landing gear details installed so I can paint the Tamiya Flat Earth camo pattern on it today.

    So far, it looks GREAT! Really high quality parts and very complete.

    I'll start a "painting a foamie" thread when get the camo done.

    D

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    Darin Bellis
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    RE: Curtiss P-40N Warhawk from Hobby Lobby - 10/9/2003 4:15:26 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Hey Darin,

    I'm glad to see that your Warbird showed up. I'll check out your painting thread since customizing these planes is great fun!

    Here are some shots of the parts needed to mount the prop and spinner.

    The second photo shows the fuselage end cap mounted. I needed to sand it to match the distortion I created from wedging the firewall into position.

    Attachments
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           Post #: 13

    Prop Mounted - 10/9/2003 4:19:06 PM   
    Greg Covey



    Posts: 4348
    Joined: 5/24/2003
    From: Rochester, NY, USA
    Status: offline     		Here the prop is mounted and ready for the spinner.

    Note that the whole assembly pulls out a bit when powered do to slight play in the gearbox shaft.

    Attachments
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