RE: New 81" GP Super Chipmunk  
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    • All Forums >> RC Airplanes >> ARF or RTF >> RE: New 81" GP Super Chipmunk
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    RE: New 81" GP Super Chipmunk - 10/31/2004 2:39:01 AM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		I will be adding Robart functional scale struts to mine. I have a pair I bought for a Ohio R/C kit.

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           Post #: 26

    RE: New 81" GP Super Chipmunk - 10/31/2004 5:17:45 PM   
    jrf


     

    Posts: 2367
    Joined: 12/30/2001
    From: Burbank, CA, USA
    Status: offline     		Skypilot:

    You're right. The Hanger 9 33% Edge flys very well with it's wing loading of 30.1 oz/sq. ft. But then it has a wing area of 1760 sq. in.

    On the other hand, Great Planes uses custom designed Selig airfoils for their high end models, and they work very well.

    As you say, we'll see.

    Jim

    (in reply to PlaneKrazee)
           Post #: 27

    RE: New 81" GP Super Chipmunk - 11/1/2004 3:21:06 AM   
    Steve S



    Posts: 1089
    Joined: 10/28/2003
    From: Va Beach, VA, USA
    Status: offline     		I too was eyeing this new GP Chipmunk,I am a big fan of glass fuses & I love the bigger size.I too love the attractive looks of the Chipmunks.I had two World Models Chipmunks(retract version) Hands down the best flying planes I have had to date .The first one I lost on the 5th flight due to battery failure.I sold the second one after many many easy/successful flights.The plane was extremely easy to fly as mentioned on post #24 with absolutely no bad habits whatsoever .I dont know what it was about the WM Chipmunks,both of the ones I had tracked straight as an arrow down the runway & required very very little rudder input-certainly made me look like a very highly accomplished pilot(i'm an average pilot).If they only knew the plane just seems to do it by it's self & made me look good Knife edge flight was another amazing detail-the plane again required very little stick input to maintain perfect level knife edges the whole entire length of the flying site.It would do them all day long with ease

    I hope this GP Chipmunk flies just as great.We will see,I look forward to the first flight reports.I may just have to get me one of these babies!

    Steve

    < Message edited by Steve S -- 11/1/2004 3:26:43 AM >

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           Post #: 28

    RE: New 81" GP Super Chipmunk - 11/1/2004 2:31:35 PM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		jrf,

    The Chipmunk does not have the flying surfaces to do 3-D, it's wing loading is about right for normal aerobatic flight not 3-D. The lightest it could have come in at would have been 12 lbs, which is the weight of the Ohio R/C Chipmunk built with a 1.20 size engine, monokote covering and the minimum amount of glue. Many of the Ohio Kits with glassed fuselages build out to 15-17 lbs. with a G-38 but still land like a trainer. They have a varing airfoil wing with a fair amount of washout just as the full scale plane did. The GP Chip may be able to weigh less of the battery is moved as far forward as possible along with a Higley heavy hub to remove some of the lead.

    Steve,

    The Goldgerg and WM Chipmunks when properly trimmed and balanced require zero roll/pitch input in knife edge! Most Giant scale planes, even Extras can't do that without a computer radio and mixes. Dave Patrick did a great job designing the Goldberg. Looks like his 540 edge designs are winners also. I had called his business last year to see if they had interest in doing a large Chipmunk but they directed me to the Edge and Extra and then came out with a 1/4 scale Super Cub. Seems like there are enough 1/4 scale cubs out already.

    I tell you I would like to see Great Planes do the Chipmunk in the Harold Krier paint scheme, it would be a nice tribute. It is very similar to the GP Ryan STA scheme on the fuselage and underside of the wing. The top of his wing had a sunburst effect.

    Harold Krier was the first person to make a Super Chipmunk, Art Scholl copied most of the ideas and reportedly called them his own.

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           Post #: 29

    RE: New 81" GP Super Chipmunk - 11/1/2004 2:49:56 PM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		jrf,

    On second thought your right. The plane will be a flying pig that won't 3-D, will fall out of manuevers, land too fast, and will just plain suck to own. I think I will ask my girlfriend to cancel her order.

    Yeh right.

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           Post #: 30

    RE: New 81" GP Super Chipmunk - 11/1/2004 9:51:52 PM   
    Capt G



    Posts: 824
    Joined: 1/27/2002
    From: NV
    Status: offline     		I too had the WM Chipmunk - flew great. Will be watching to see who gets one in the air 1st. I've got a YS 1.40 and smoke system ready to go.

    (in reply to PlaneKrazee)
           Post #: 31

    RE: New 81" GP Super Chipmunk - 11/2/2004 6:44:58 PM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		Capt G,

    That should be a smokin' setup!

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           Post #: 32

    RE: New 81" GP Super Chipmunk - 11/5/2004 1:15:52 PM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		They are beginning to ship!

    < Message edited by Skypilot_one -- 11/12/2004 12:14:49 AM >

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           Post #: 33

    RE: New 81" GP Super Chipmunk - 11/5/2004 4:51:18 PM   
    tIANci



    Posts: 8322
    Joined: 1/15/2004
    From: Kuala Lumpur, MALAYSIA
    Status: offline     		Sky ... I have been having so much fun with my WM one ... knife edges are so easy to do! Still I would not mind a big scaled Chipmunk.

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           Post #: 34

    RE: New 81" GP Super Chipmunk - 11/5/2004 6:10:29 PM   
    apalsson



    Posts: 707
    Joined: 6/29/2003
    From: Ballina NSW, AUSTRALIA
    Status: offline     		Hi tIANci,

    If you are interested in a Chipmunk this size, check out the ones from Apache Aviation.
    I have two now (both Super Chipmunk and Pepsi Chipmunk) and they are fantastic.
    These are kits but the build is easy.

    One has a Moki 1.8 and the other has a G38

    (in reply to tIANci)
           Post #: 35

    RE: New 81" GP Super Chipmunk - 11/6/2004 4:54:28 AM   
    tIANci



    Posts: 8322
    Joined: 1/15/2004
    From: Kuala Lumpur, MALAYSIA
    Status: offline     		apalson - thanks for the info, sadly I got a few problems ... one is I have too many planes for my liking also in Malaysia choice is VERY limited. I am very pleased with the WM Chippie powered by my ST G90. Soon my Funtana 90 will be here!!! And my PacAero Laer 200 (72" and my ... and my ... and my ... THIS HOBBY IS EVIL!!! Its a LHS conspiracy!!!

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           Post #: 36

    RE: New 81" GP Super Chipmunk - 11/11/2004 10:30:33 AM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		They are beginning to ship!

    < Message edited by Skypilot_one -- 11/12/2004 12:11:28 AM >

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           Post #: 37

    RE: New 81" GP Super Chipmunk - 11/11/2004 9:53:30 PM   
    Bob101


     

    Posts: 845
    Joined: 9/30/2003
    From: Rural, TX, USA
    Status: offline     		I know your being sarcastic...and it may be a great aerobatic performer.

    But even with the lightest weight and biggest engine I just can't see it doing ANY 3-D.

    Look at it. It just doesn't have the control surfaces to do 3-D. The ailerons are only on the outboard of the wing - just like the real one. Your not gonna 3-D with control surfaces that aren't in the prop blast at the least...nevermind the size and lack of deflection.

    (in reply to PlaneKrazee)
           Post #: 38

    RE: New 81" GP Super Chipmunk - 11/12/2004 12:05:39 AM   
    PlaneKrazee



    Posts: 3534
    Joined: 5/15/2002
    From: Westerly, RI, USA
    Status: offline     		bob,

    You are absolutely right. This plane is designed to look and perform like the full scale aerobatic plane but probably better.

    It is not designed to 3-D. It will probably knife edge better than the full scale plane and land at a slower scale speed.

    WOW, a scale plane that flys like a scale plane, should be nice for people that like to try to emulate thier full scale heros. Many new planes have stretched fuselages, huge ailerons and cartoon rudders.

    If someone wants to 3-D they need to buy a plane other than a Chipmunk, any Chipmunk.

    I am looking forward to seeing this plane in person to see the quality and the scale detail. It looks as good or beter than the Christian Eagle in the photos. Than is probably another plane not meant for 3-D.

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