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    • All Forums >> RC Airplanes >> RC Scale Aircraft >> Top-Flite T-34
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    Top-Flite T-34 - 1/2/2003 10:12:30 AM   
    cubflipper02



    Posts: 141
    Joined: 12/19/2002
    From: ny
    Status: offline     		I've just completed the lower half of the fuse and am mounting the horizontal stab.Be sure to check your incidence on the stab,it is supposed to be +2.Mine required the saddle to be sanded down a bit to meet the proper degrees.PT21flyer,do you know what servo's your planning on using?The planes show all standard types.I'm not 100% sure that would be enough.On the right thrust issue,I think I would rather keep it in there,after all by just trimming to compensate for the P-factor and thrust etc you'll be creating a small(probably hardly noticable) amount of drag to overcome the above factors.I also realize you said the full scale doesnt have it built in,but why not use it on the model.Once the cowl is on how will you notice it?I'm not nit picking here in anyway,just curious.

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    (in reply to PT21Flyer)
           Post #: 26

    Answer Questions - 1/3/2003 3:39:18 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		To answer some of the questions posted:

    In all the models I've built, I've never used right thrust. The only time I've ever noticed it is when the plane is slowed down and if you fly all yhe time with rudder, it really makes no difference. Flying twins, like I do, You have to be able to fly rudder all the time. Besides, I don't like the prop and spinner being crooked.

    Thanks for the heads up on the stab incidence cubflipper02. I'll be sure and check it when I get to that point in construction. I'm planning on using standard ball bearing servos on everything. On a plane this size, I think they should be able to handle the loads okay. In my 31 lb. Islander the only giant servos I used are on rudder and elevator and I do loops and rolls with it. I've never had any problems. I fly Airtronics and the standard servos have 50 oz. in. of torque.

    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 27

    Wing Bottoms Sheeted - 1/5/2003 8:07:44 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		I got the wing bottoms sheeted and in this picture the sand bags are holding laminations of 1/16" balsa and 1/32" ply to the shape of the wing bottom to be used as gear doors.

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 28

    Wheel Wells - 1/6/2003 3:54:33 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Here is a picture of the right wheel well cut out.

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 29

    Another - 1/6/2003 3:56:01 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Here it is with the gear doors laying in place.

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 30

    Fuselage Begun - 1/6/2003 3:58:16 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Here is the beginning of the fuselage framework. The bottom is built first. Waiting for 60 minute epoxy to cure on the firewall.

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 31

    Top-Flite T-34 - 1/7/2003 6:13:38 AM   
    whaler0


     

    Posts: 9
    Joined: 10/7/2002
    From: Staten Island, NY, USA
    Status: offline     		Jerry - as a new comer I find your progress extremely interesting. The pictures are great. Was wondering what wheels your are using?

    (in reply to PT21Flyer)
           Post #: 32

    Wheels - 1/7/2003 7:36:53 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		whaler0

    For the main wheels I'm using 3 1/2" Robart wheels for which I made aluminum back plates and hub caps on the lathe.

    Jerry

    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 33

    Fuselage Progress - 1/13/2003 6:53:15 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Here is a picture of the fuselage bottom with the side sheeting installed. It can be removed from the table now as it is rigid. Stab saddle also installed. Working on hinging stabs and finishing them so they can be installed next.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 34

    Stab Hinging - 1/13/2003 6:56:39 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		This drawing and picture show how I modified the control surfaces to use Robart steel pinned hinges for a gapless installation.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 35

    Fitting Tail Feathers - 1/15/2003 8:25:57 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Here is a picture of the stabs getting fit so they can be glued on.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 36

    Engine ready to start breaking in. - 1/15/2003 8:32:01 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		This is my ASP .91 mounted on a test stand so I can start running it to break it in. I've put an O.S. .91 remote needle valve on it so I can avoid holes in the cowling. Will also use a remote ni-starter and refueling probe all located in the nose wheel well. I'm going to build stainless steel scale exaust with the attenuator pipes. I'm hoping this will make it sound a little more scale too.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 37

    Back Working On T-34 - 2/2/2003 2:13:28 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		Well, after about a two week break, I'm working on the T-34 again. I've been hinging the gear doors and glassing the stabs. The picture below shows the templates I designed and printed with my CAD program for routing the scale stampings the real aircraft had on all the magnesium parts to act as stiffeners.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 38

    Set-up For Routing - 2/2/2003 2:17:24 AM   
    PT21Flyer



    Posts: 302
    Joined: 12/6/2001
    From: Tullahoma, TN, USA
    Status: offline     		This is the set-up I used for routing the indentions. I'm using a 1/4" round nose carbide cutter in my Dremel Tool with a router attachment. Just to the right of the Dremel you can see one of the grooves I've routed.

    Jerry

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    _____________________________

    BIG really does Fly BETTER

    (in reply to PT21Flyer)
           Post #: 39