RE: Flair 1/4 Scale PT-17 Stearman Review  
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    • All Forums >> RC Airplanes >> Giant Scale Aircraft - General >> RE: Flair 1/4 Scale PT-17 Stearman Review
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    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/11/2007 5:28:39 PM   
    chasrb



    Posts: 940
    Joined: 1/12/2003
    From: Warrenton, VA, USA
    Status: offline
    quote:

    Are you referring to the width of the cabanes (1.125 vs. 1.035)? I'm guessing we can round that off to 1.0. I don't think 1/32 will buy us much.



    I agree, I have some 1/4 x 1' basswood stock I have made a prototype of last month. I'll post a pic.

    Also, on the engine mounting issue. I was thinking of the 1/2" aircaft ply instead of the tube and then using engins standoffs to clear the engine shroud. I do not know if they will hold the torque if the standoff's are 6" long.

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    _____________________________

    Chasman

    (in reply to Cybertom)
           Post #: 526

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/11/2007 5:29:53 PM   
    chasrb



    Posts: 940
    Joined: 1/12/2003
    From: Warrenton, VA, USA
    Status: offline     		Hey moderator, Admin or someone...what is up with the pic posting? Can someone resolve this?

    _____________________________

    Chasman

    (in reply to chasrb)
           Post #: 527

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/11/2007 5:37:03 PM   
    riph


     

    Posts: 37
    Joined: 12/21/2001
    From: Carrollton, TX, USA
    Status: offline     		Mike's (the largest hobby shop in Tex. or maybe the USA ) is still open but may close in about 2 years because of the rebuild of I-35. I saw you struts.

    (in reply to chasrb)
           Post #: 528

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/11/2007 6:37:17 PM   
    chasrb



    Posts: 940
    Joined: 1/12/2003
    From: Warrenton, VA, USA
    Status: offline     		Too bad if he closes, he moved once he can agin I am sure.

    _____________________________

    Chasman

    (in reply to riph)
           Post #: 529

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/11/2007 7:11:15 PM   
    Cybertom



    Posts: 542
    Joined: 12/2/2002
    From: Streetsboro, OH, USA
    Status: offline     		Chasrb,

    SEIDEL THRUST ANGLES?
    I would be interested in seeing some close-ups of the Seidel engine mount. What are you planning to use for thrust angles? I designed my mounting ring with 3 degrees down thrust and 3 degrees to the right as recommended by Flair (if you’re planning on using much more power). If you measure against the plane the engine is mounted on (created by 3 degrees down and 3 degrees right) the actual angle turns out to be around 4.25 degrees. Well when I had a local machine shop make my ring they made the resultant engine mounting plane 3 degrees instead of the 4.25 it should have been. This is why I had issues landing early on because the airplane came in with a nose up attitude. I was able to fix this by putting some spacers in which gave me back my missing 1.25 degrees. 3 degrees right and 3 degrees down (or 4.25 degrees resultant plane) works very well. You will also have to offset the engine mounting location so that your propeller ends up on the centerline.

    FULL SCALE INCIDENCE
    Did you notice that the full scale Stearman had +4 degrees incidence on the upper-wing and +3 on the bottom? It also had +3 degrees on the tail. Looks like they wanted to have the upper-wing stall first. I am considering setting the upper-wing on my next Flair Stearman to +4 degrees as they did on the full scale version.

    FLAIR KIT INCIDENCE
    The Flair kit has +3.5 degrees built into the bottom-wing and they want you to set the upper-wing to +3.5 degrees incidence. In the plans they tell you set the tail incidence to +3 degrees. After receiving feedback from many of their customers they changed that to anything between +3 to +3.5. I can tell you that I would most definitely set the tail incidence to +3.5 degrees. I have to carry way too much down trim as it is.

    NEXT FLAIR KIT BUILD
    I'm telling you I can't wait to start building the Flair Stearman again. Adding another ½ degree incidence to the tail and making her 2lbs lighter by going with a Seidel Radial engine (that produces a much more appropriate 4HP) should really make her a sweet heart to fly!!!

    PS,
    As far as adding the info you sent me to the DVD its to late for this latest batch. I will most definitely add it to the DVD in the future. This DVD is really becoming a treasure trove of information for the scale Stearman enthusiast. I plan to place a text file in the root of the folder with your credit. In fact you can send me any comments you would like placed in the text file.


    < Message edited by Cybertom -- 2/11/2007 7:31:12 PM >

    _____________________________

    Real airplanes have 2-wings and round engines!

    (in reply to chasrb)
           Post #: 530

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/13/2007 1:04:34 AM   
    chasrb



    Posts: 940
    Joined: 1/12/2003
    From: Warrenton, VA, USA
    Status: offline     		Okay, lazy build question....since the Flair is just less that 25% I was thinking that a 1/5 scale cockpit might fit better than the 1/4. Ther is a Dively kit cockpit in both sizes.

    Comments>?

    _____________________________

    Chasman

    (in reply to Cybertom)
           Post #: 531

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/13/2007 2:27:37 AM   
    Cybertom



    Posts: 542
    Joined: 12/2/2002
    From: Streetsboro, OH, USA
    Status: offline     		Did you see the cockpit that was made when this kit was reviewed by model airplane news. It looked really nice and didn't look to complex to make.

    _____________________________

    Real airplanes have 2-wings and round engines!

    (in reply to chasrb)
           Post #: 532

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/13/2007 10:21:47 AM   
    chasrb



    Posts: 940
    Joined: 1/12/2003
    From: Warrenton, VA, USA
    Status: offline     		I'll go back and look for that article, thanks Tom.

    _____________________________

    Chasman

    (in reply to Cybertom)
           Post #: 533

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/15/2007 12:57:08 AM   
    JUGFLIER


     

    Posts: 945
    Joined: 1/29/2007
    From: Muscle Shoals, AL, USA
    Status: offline     		Hey guys, ive been reading thru the thread. It would interest me seeing that i have a flair stearman kit my wife bought fo me for my birthday. The kit is impressive with a lot of hardware and the ability to scale it out. I am a ww2 nut and especially a fighter jock. I have a p-47 1/5 scale and found a kit cheap for a mustang im thinking of building. I have the same poblem as many people, limited space. Therefore i am going to sell it. I think i was reading in the thread about possible not getting this kit. I dunno but when she bought it she paid 475.00. Don't know if that is high, but if anyone is interested send me a pm.

    thanks curtis.

    (in reply to chasrb)
           Post #: 534

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/15/2007 6:20:40 AM   
    outacontrol41


     

    Posts: 1138
    Joined: 11/27/2004
    From: Girdletree, MD, USA
    Status: offline     		You're selling your Flair Stearman NIB for $475? Have you sold it yet?

    (in reply to JUGFLIER)
           Post #: 535

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/15/2007 4:09:54 PM   
    JUGFLIER


     

    Posts: 945
    Joined: 1/29/2007
    From: Muscle Shoals, AL, USA
    Status: offline
    quote:

    ORIGINAL: outacontrol41

    You're selling your Flair Stearman NIB for $475? Have you sold it yet?



    No i haven't sold it. Ijust posted this yesterday. Yes to help my buddy rcers out i will let it go for what i got in it. Not trying to make any money. This is an impressive kit. It has fiberglass dummy radial engine, Fiberglass cowl and firewall. I have a guy locally here who has the balsa usa 1/3. It is ready to fly and he is trying to get me to take it off his hands. The real problem for me is i dont have the means to haul either of them.

    (in reply to outacontrol41)
           Post #: 536

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/15/2007 9:23:15 PM   
    Cybertom



    Posts: 542
    Joined: 12/2/2002
    From: Streetsboro, OH, USA
    Status: offline     		That's a great price. I just paid $527.00 for another Flair Stearman kit from a RCU member in Michigan. I gave him exactly what he paid for it from Radical RC.

    _____________________________

    Real airplanes have 2-wings and round engines!

    (in reply to JUGFLIER)
           Post #: 537

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/16/2007 2:07:56 PM   
    Errol Levin


     

    Posts: 2
    Joined: 10/7/2006
    From: Johannesburg , SOUTH AFRICA
    Status: offline     		Hi Jugflier

    Have been looking all over for a flair stearman kit. Is yours available Will buy it

    (in reply to JUGFLIER)
           Post #: 538

    RE: Flair 1/4 Scale PT-17 Stearman Review - 2/21/2007 11:16:44 PM   
    Cybertom



    Posts: 542
    Joined: 12/2/2002
    From: Streetsboro, OH, USA
    Status: offline     		Chasrb,

    I was home sick today and I took advantage of the time off and added the "Full Scale" Stearman manual and the "Full Scale" restoration photos to the "1st Flight" DVD. After working with all of that stuff I have to say the following:

    YOU DA MAN!!!

    The ARMY / NAVY Stearman manual is absolutely astounding!!! It's an absolute "must have" for Stearman nuts. Anyone could create a "hyper scale" Stearman with all of this information provided they had the talent.

    Here's what I did...
    1. I color corrected each photo.
    2. The file names of the scanned images now correspond to the page number in the manual.
    3. I cropped each restoration photo individually.

    Best Contribution YET!!!

    PS,
    (I was almost afraid to type this because of the requests I'll probably be getting)

    _____________________________

    Real airplanes have 2-wings and round engines!

    (in reply to Errol Levin)