RE: GP Super Stearman  
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    • All Forums >> RC Airplanes >> ARF or RTF >> RE: GP Super Stearman
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    RE: GP Super Stearman - 11/21/2007 1:06:45 PM   
    TomCrump



    Posts: 2201
    Joined: 4/7/2003
    From: Traverse City, MI, USA
    Status: offline
    quote:

    ORIGINAL: summerwind

    just wanted to point out something about this airplane and using a 1.20 four stroke..............there was one at my field this last Sunday, it had an older style OS 1.20 on it. this engine powered this thing like it was a typical sport plane............had more than enough power even at 1/2 throttle.
    i can't imagine why anyone would put a big gas motor on it and spoil the characteristics of the bird by adding all the extra wieght, not to mention the vibration.




    To each his own.

    Since the SS, powered with a 1,20 foure stroke, requires added nose weight, I'd prefer to add the this weight in the form of the addittional power that a gasser provides.

    _____________________________

    Tom C

    (in reply to summerwind)
           Post #: 976

    RE: GP Super Stearman - 11/21/2007 3:24:53 PM   
    Flyboy1958



    Posts: 484
    Joined: 10/20/2002
    From: Somewhere, PA, USA
    Status: offline     		I have a G26 on mine and it's perfect. No added extra weight, and flys very realistic.

    (in reply to TomCrump)
           Post #: 977

    RE: GP Super Stearman - 11/21/2007 4:07:37 PM   
    summerwind


     

    Posts: 1242
    Joined: 2/16/2007
    From: fresno, CA, USA
    Status: offline
    quote:

    ORIGINAL: TomCrump


    quote:

    ORIGINAL: summerwind

    just wanted to point out something about this airplane and using a 1.20 four stroke..............there was one at my field this last Sunday, it had an older style OS 1.20 on it. this engine powered this thing like it was a typical sport plane............had more than enough power even at 1/2 throttle.
    i can't imagine why anyone would put a big gas motor on it and spoil the characteristics of the bird by adding all the extra wieght, not to mention the vibration.




    To each his own.

    Since the SS, powered with a 1,20 foure stroke, requires added nose weight, I'd prefer to add the this weight in the form of the addittional power that a gasser provides.


    this is totally untrue....................mine has a FT1.60 twin on it and it came out nose heavy........had to move both batteries well behind the wing.
    2 others i've seen with 1.20's have balanced perfectly. several people here and 1 reviewer who used 1.20's also did not need added nose wieght. there was a post somewhere that pointed out that the added nose wieght came from using a .91 four stroke.........mainly a carry over from the manual for the military version.

    the point i am trying to make is that if someone that doesn't know any better reads this thread, they'll end up putting a monster of an engine in this plane when they don't need to.
    i too was having doubts about the engine size as well, but after seeing this plane fly with an "OLDER" version of the OS 1.20 swinging a 16x6, and no nose wieght added, i can honestly say to those thinking about this plane, to go ahead with a 1.20 and be prepared to have a blast................

    (in reply to TomCrump)
           Post #: 978

    RE: GP Super Stearman - 11/22/2007 9:30:47 AM   
    TomCrump



    Posts: 2201
    Joined: 4/7/2003
    From: Traverse City, MI, USA
    Status: offline     		Point well taken, summerwind.

    I'm making a little progress on my SS. Modelling time is hard to come by, as I'm in the process of remodeling my bathroom. I now have the wings mounted. Hope to find a little time to work on the Stearman over the long holiday weekend.

    _____________________________

    Tom C

    (in reply to summerwind)
           Post #: 979

    RE: GP Super Stearman - 11/23/2007 11:42:54 AM   
    telejojo


     

    Posts: 351
    Joined: 11/27/2006
    From: HUNTSVILLE, AL, USA
    Status: offline     		I put a G-20 in mine and I don't need to use the weght box.I hope to maiden it sat. if the weather holds out........

    (in reply to summerwind)
           Post #: 980

    RE: GP Super Stearman - 11/23/2007 2:40:21 PM   
    rexracer


     

    Posts: 254
    Joined: 1/23/2006
    From: New Milford, CT, USA
    Status: offline     		I have a question for anyone who has a Saito, or other metric motor on this thing. I'm having trouble putting the spinner on. I bought a spinner adaptor, but it's too long to let the spinner seat aganst the backplate. Anyone know where I can get a short (1/2" to 5/8" adaptor for my Saito? it's 8mmx1.25. the one i bought was about 7/8" to 1" long with the split cone end as a jam nut. I would have cut it down, but there are only 1/8" of threads for the spinner bot, and I would need to cut off 3/8" minimum.

    _____________________________

    Club Saito member #173

    (in reply to telejojo)
           Post #: 981

    RE: GP Super Stearman - 11/27/2007 12:48:11 AM   
    bucho


     

    Posts: 43
    Joined: 3/1/2005
    From: monterrey nuevo leon, MEXICO
    Status: offline     		did some one have the military version? how it do it?

    (in reply to edkoz)
           Post #: 982

    RE: GP Super Stearman - 1/2/2008 9:20:27 PM   
    tyler2


     

    Posts: 28
    Joined: 9/6/2006
    From: Ottawa, ON, CANADA
    Status: offline     		Would a Zenoah G20ei work well in the Stearman ?

    (in reply to bucho)
           Post #: 983

    RE: GP Super Stearman - 1/2/2008 10:33:35 PM   
    zdsh13


     

    Posts: 35
    Joined: 5/7/2006
    From: Lacombe, AB, CANADA
    Status: offline
    quote:

    ORIGINAL: rexracer

    I have a question for anyone who has a Saito, or other metric motor on this thing. I'm having trouble putting the spinner on. I bought a spinner adaptor, but it's too long to let the spinner seat aganst the backplate. Anyone know where I can get a short (1/2" to 5/8" adaptor for my Saito? it's 8mmx1.25. the one i bought was about 7/8" to 1" long with the split cone end as a jam nut. I would have cut it down, but there are only 1/8" of threads for the spinner bot, and I would need to cut off 3/8" minimum.



    Dave Brown spinners also has prop nut adaptors in long or short versions, I needed one for my Saito 125 arrangement. I would imagine any hobby store would stock this item.

    (in reply to rexracer)
           Post #: 984

    RE: GP Super Stearman - 1/2/2008 11:27:12 PM   
    telejojo


     

    Posts: 351
    Joined: 11/27/2006
    From: HUNTSVILLE, AL, USA
    Status: offline     		My g20 works just fine.It has more than enough power although not enough for unlimited vertical it will do loops and hamerhead stalls just fine.It probably flys pretty close to scale.

    (in reply to tyler2)
           Post #: 985

    RE: GP Super Stearman - 1/2/2008 11:29:48 PM   
    Flyboy1958



    Posts: 484
    Joined: 10/20/2002
    From: Somewhere, PA, USA
    Status: offline     		I have the G26 in mine and it's perfect. I have a smoke system hooked up to it as well. I flys very realistic, so I'm sure the G20ei would be a perfect choice.

    (in reply to zdsh13)
           Post #: 986

    RE: GP Super Stearman - 1/2/2008 11:58:46 PM   
    aircraftusfragmentum


     

    Posts: 55
    Joined: 1/19/2006
    From: Raymondville, MO, USA
    Status: offline     		I finaly got mine finished, havent flown it yet due to weather. 14 pounds 6oz with skywriter pump and Brillelli 26.

    (in reply to Flyboy1958)
           Post #: 987

    RE: GP Super Stearman - 1/3/2008 1:15:56 AM   
    Flyboy1958



    Posts: 484
    Joined: 10/20/2002
    From: Somewhere, PA, USA
    Status: offline     		It can be a little touchy on take off, bring the power up steady until it gets rolling 20 feet or so, then bring the power up and the tail will pop right up. Just be ready to use the rudder and also be ready to abort the take off. Landing you have to keep the power up a little since it is a heavy airplane, but it lands real nice, it does like to bounce if you don't have the right airspeed on landing, but it's easy to get the hang of it. It is really a cool looking airplane in the sky!

    (in reply to aircraftusfragmentum)
           Post #: 988

    RE: GP Super Stearman - 1/3/2008 1:24:12 AM   
    aircraftusfragmentum


     

    Posts: 55
    Joined: 1/19/2006
    From: Raymondville, MO, USA
    Status: offline     		I put the 4.5" pnumatic wheels on it to help keep the bounce down. The ones that came in the kit seemed a little hard.

    (in reply to Flyboy1958)
           Post #: 989

    RE: GP Super Stearman - 1/3/2008 2:55:55 AM   
    Flyboy1958



    Posts: 484
    Joined: 10/20/2002
    From: Somewhere, PA, USA
    Status: offline     		I did the same thing, it does help.

    (in reply to aircraftusfragmentum)
           Post #: 990