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  1. #1

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    Great Planes ULTRA SPORT 60 kit

    I am building my second US 60 kit and I'm wondering which motor to buy. I like a lot the OS FS 95V four stroke, but I suspect it has not enough power (1,7 HP) to get an acceptable speed. The plane will have retracts (with two dedicated servos) and therefore will be heavier than fixed gear configuration.
    Someone did any experience about this wonderful plane and this motor ?
    Thanks in advance for your help/suggestion from Italy..

  2. #2
    RCU Forum Manager/Admin RCKen's Avatar
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    I've had plenty of Ultra Sports (and I'm also Ultra Sport brother #1) and I think that your plane will fly just fine on this engine. You're not going to have a speed demon here, but I think that the plane will do just fine. A 90/95 sized 4 stroke engine is equivalent to a 60 sized 2 stroke, so you are in the right size for engines. The only issues that I think you may have is going to be in the prop size, you may have issues getting a prop big enough prop size on the plane.

    I see that you live not too far from where I was stationed when I was in the Army. I was stationed in Portogruaro back around 1990 when I was in the Army. I enjoyed my time in the Army and wished I could have stayed in Italy longer than I did as I really enjoyed my time there.

    Hope this helps

    Ken
    The take off is optional, but the landing is MANDATORY!!
    RCU Forum Manager
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  3. #3

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    Ken, thanks a lot for sharing your experience ! And what surprise discovering you stayed in Italy (and only 50 km far to my home).

    How long did you stay in Italy ? Have you never come back ?

    PS: I am working for an american company (Aluminum Company of America- ALCOA)...the world is very small ..

  4. #4
    RCU Forum Manager/Admin RCKen's Avatar
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    I was there for 3 years, 1989-1992. I wanted to stay longer but unfortunately I couldn't make that happened. Both of my sons were born there in the hospital in Pordenone and have dual citizenship because of the way things work. I was stations at a remote site and because of that our medical care came from the Air Force Base in Aviano. They only had a medical clinic and all births at that time were done in hospital in Pordenone, so that's why my sons were born there. I really wish that I had been able to stay longer as I really enjoyed my time there in Italy .

    Ken
    The take off is optional, but the landing is MANDATORY!!
    RCU Forum Manager
    www.gettingairborne.com
    RCKen Publications
    Brotherhood's
    Ultra Sport Brother #1
    Sig Brotherhood #4
    Balsa USA #4

  5. #5

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    Thanks Ken for your answers.
    I will post some pictures of my new Ultra Sport. This was the previous one :

  6. #6

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    How difficult would this kit be for a first time kit builder? I have built countless ARF, including the Ultra Sport 40 ARF. I love the Ultra Sport, and would like to give this kit a shot, since the ARF has been discontinued.

  7. #7

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    This kit (as all Great Planes kit) is not difficult. If you follow the manual (it is very clear) step by step you will no have any problems. The wood parts (balsa or ply) have a good quality.
    Here you are some pictures of my current Ultra Sport (under construction) :Click image for larger version. 

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    If you need more info or help I would be glad to help you...Click image for larger version. 

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    Ciao from Italy


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