RE: E-Flite Mini Funtana X  
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    • All Forums >> Electric Aircraft Universe >> 3D Electric Flying! >> RE: E-Flite Mini Funtana X
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    RE: E-Flite Mini Funtana X - 1/21/2008 10:50:19 AM   
    MJ-MERLIN



    Posts: 141
    Joined: 8/15/2007
    From: Bury St Edmunds, UNITED KINGDOM
    Status: offline
    quote:

    ORIGINAL: texastomek

    For those of you who are using the Power 10 on this airplane, did you have any trouble mounting the motor? Did the X mount fit onto the firewall? If it's not an exact fit, how did y'all make it work???


    To fit the power 10 in my MFX
    i knocked out the captive nuts and installed them on the front of the fire wall then put the X plate on the inside of the fire wall and screwed through X plate and the fire wall in to the motor.
    The cowl was fitted as far forward as I could and I didn’t use a spinner I just used the prop nut that comes with the power 10







    _____________________________

    Jam the sticks in the corners, sort it out when its done
    my kinda flying

    (in reply to texastomek)
           Post #: 401

    RE: E-Flite Mini Funtana X - 1/21/2008 11:19:58 AM   
    Don M.



    Posts: 1823
    Joined: 3/2/2004
    From: Halifax, NS, CANADA
    Status: offline     		What's the verdict on the 10 in the Mini ? What battery do you use ? How many mins. per flight ? I'm thinking of putting my 480 in another plane and buying a 10 for the Mini. Good idea ?

    _____________________________

    I can only please 2 people every day and #2 just left.

    (in reply to MJ-MERLIN)
           Post #: 402

    RE: E-Flite Mini Funtana X - 1/23/2008 1:58:53 AM   
    lowwpassjr


     

    Posts: 19
    Joined: 1/17/2008
    From: Friendswood, TX, USA
    Status: offline     		i have the 480 in mine and it hovers just fine. i think one of you was saying it falls off to the left in a hover due to p-factor and i think the 10 would make that even worse.


    I have s75 servos all around no trouble yet and it has been through some tuff times

    (in reply to Don M.)
           Post #: 403

    RE: E-Flite Mini Funtana X - 1/23/2008 2:03:47 AM   
    texastomek


     

    Posts: 9
    Joined: 12/13/2007
    From: Wichita, KS, USA
    Status: offline     		Status: I maidened my MFX today. I am very impressed.

    Issues: I am running the Power 10 and did not get fancy with the mount. However, MJ-MERLIN, I am very impressed with your method of mounting the 10. It looks sturdy and looks to certainly be done the RIGHT way! I, on the other hand, found that the X mount for the 10 was 'almost' a perfect fit so I just dug around my flight box to find screws that could be forced into the firewall fasteners and would hold the engine tight...the WRONG way of doing things...but I'm lazy and really wanted to get the plane flying asap. *The scary thing is that I'm an aerospace engineer working for Cessna :/ * Anywho, my lazy way is good enough for now. However, if anyone is wanting to put the Power 10 on this plane I suggest the above set up shown by MJ-MERLIN.

    Setup: Along with this engine, I'm running an electrifly 45A ESC (~1.7oz), electrifly 2100mAh 3s (6.34oz) batteries, Hitec 55 servos (aileron, elevator) and a Hitec 65 on the rudder. This setup is obviously heavier than what is recommended by e-flite thanks mostly to the larger motor and ESC. I had all this equipment before I bought the airplane and the reason I chose the MFX was because it had the largest wing area I could find from a readily available plane around this size...and it payed off

    Flight report: Simply put, this plane is golden! it does it all, it goes fast when you want it to, it goes up up and up if you'd like, and what I was most impressed by: it slows down almost to a HALT in flight when needed. I was afraid that I'd be doing fast landings because of the added weight. Pleasantly, to my surprise, this airplane will crawl in for a landing at a high angle of attack. You have to try VERY hard to stall the MFX...and the stall consists of a little slip that's supper easy to recover from. I'm not yet to the hard-core 3D flight yet, but I dabbled at some hovers today on low rates to be safe. I can't comment on 3D flight just yet, but judging from the slow flight characteristics, I'm guessing it's good. I'm getting about 7-14 minute flight times using a 11x6 prop - 7 minutes at constant 3/4 throttle. I'm planning on upping the prop soon to take full advantage of the Power 10. Right now I'm getting a feel of the plane so I'm flying the smaller prop. I flew around leisurely at 1/3 throttle for a good long time

    Conclusion: Great flying airplane. Well put together. Overly thorough instructions...better than not thorough enough instructions. Flies great with the Power 10. Handles extra weight marvelously!

    Question: Are those carbon rods for the empenage good for anything? I have yet to install them...

    (in reply to Don M.)
           Post #: 404

    RE: E-Flite Mini Funtana X - 1/24/2008 3:16:56 AM   
    lowwpassjr


     

    Posts: 19
    Joined: 1/17/2008
    From: Friendswood, TX, USA
    Status: offline     		The carbon rods help you to not break the emp in high 3d conditions. I had a friend that is a real good 3d pilot help put mine together and i asked him the same question that is what he said. I believe him.

    (in reply to texastomek)
           Post #: 405

    RE: E-Flite Mini Funtana X - 1/24/2008 3:18:27 AM   
    lowwpassjr


     

    Posts: 19
    Joined: 1/17/2008
    From: Friendswood, TX, USA
    Status: offline     		mj merlin is that a blade cx2 transmiter in your second pic?

    (in reply to lowwpassjr)
           Post #: 406

    RE: E-Flite Mini Funtana X - 1/24/2008 9:25:56 AM   
    MJ-MERLIN



    Posts: 141
    Joined: 8/15/2007
    From: Bury St Edmunds, UNITED KINGDOM
    Status: offline     		yes it is
    just for a bit of indoor fun during the cold long winter nights in england !

    _____________________________

    Jam the sticks in the corners, sort it out when its done
    my kinda flying

    (in reply to lowwpassjr)
           Post #: 407

    RE: E-Flite Mini Funtana X - 1/24/2008 3:58:11 PM   
    jmir


     

    Posts: 1047
    Joined: 4/19/2005
    From: Laurinburg, NC, USA
    Status: offline     		I fly my Mini Funtana X using a Park 480 motor which has a lot of power. It can take off vertically from a hover. However, my 3S 2200 mah batteries are rated at 25C. When I fly it with 15C rated batteries, the difference is noticeable. I use a 12X6 APC prop.


    _____________________________

    Not raining? Not too windy? Guess what I''m doing!

    (in reply to texastomek)
           Post #: 408

    RE: E-Flite Mini Funtana X - 1/24/2008 4:19:12 PM   
    KC36330


     

    Posts: 2528
    Joined: 4/19/2006
    From: Enterprise, AL, USA
    Status: offline     		I've pretty much gave up on prop'd setups for turbines but was digging around the other day and hated to see all my electric equipment going to waste so i decided to give this airframe a try with what i had laying around. plane should be here this afternoon and I've got a Rimfire 35-30-1250 I'll be sticking on it. I've only got APC 10x7e's so that's what I'll be using. i had excellent performance out of this setup on a Brio so it should perform nicely on the Funtana as well, we'll see.

    (in reply to jmir)
           Post #: 409

    RE: E-Flite Mini Funtana X - 1/24/2008 4:39:46 PM   
    jmir


     

    Posts: 1047
    Joined: 4/19/2005
    From: Laurinburg, NC, USA
    Status: offline
    quote:

    ORIGINAL: KC36330

    I've pretty much gave up on prop'd setups for turbines but was digging around the other day and hated to see all my electric equipment going to waste so i decided to give this airframe a try with what i had laying around. plane should be here this afternoon and I've got a Rimfire 35-30-1250 I'll be sticking on it. I've only got APC 10x7e's so that's what I'll be using. i had excellent performance out of this setup on a Brio so it should perform nicely on the Funtana as well, we'll see.


    Let me know how the 10X7 prop performs. It should be comparable in power to the 12X6 but will probably be better for hovering. I use a rule of thumb for rough power comparisons, so 10X7=70 is close to 12X6=72. Using that comparison, my 11X5=55 uses less power. Not very scientific, but it helps compare props.



    _____________________________

    Not raining? Not too windy? Guess what I''m doing!

    (in reply to KC36330)
           Post #: 410

    RE: E-Flite Mini Funtana X - 1/25/2008 10:01:59 PM   
    KC36330


     

    Posts: 2528
    Joined: 4/19/2006
    From: Enterprise, AL, USA
    Status: offline
    quote:

    ORIGINAL: jmir

    Let me know how the 10X7 prop performs. It should be comparable in power to the 12X6 but will probably be better for hovering. I use a rule of thumb for rough power comparisons, so 10X7=70 is close to 12X6=72. Using that comparison, my 11X5=55 uses less power. Not very scientific, but it helps compare props.





    got the plane in last night and got it assembled this afternoon, the 35-30-1250 w/ the APC 10x7e is pulling 283 watts off the 20c 3s 2100s, depending on weather this weekend (rain is moving in as i type) i hope to get it tried out. just a quick test here in the house i can hold it vertical and it'll hover out of my hand at about 2/3 throttle but it is falling off to the left even with right rudder input.

    (in reply to jmir)
           Post #: 411

    RE: E-Flite Mini Funtana X - 1/27/2008 12:51:47 AM   
    KC36330


     

    Posts: 2528
    Joined: 4/19/2006
    From: Enterprise, AL, USA
    Status: offline     		got in a couple flights this afternoon right at dusk, it falls left in a hover even with max right rudder input. it has excellent rudder authority with just about any forward speed but during hover it doesn't seam that the prop wash is adequate for authority. the 10x7e is lacking in climb out of a hover and i may see if i can round up a few different props from a local guy (no hobby shops within 100+ miles of here) and try em out before i order new ones, i think a 12x6e would be a better prop for this setup. it flies OK, but could defiantly benefit from more power.

    i did about 20 touch and goes i rather enjoyed the way she handled and settles right in, coudn't ask for any better there.

    i moved the battery back till it touched the wing tube on the last flight and without giving it much thought i taxied out to take off, the runway had a good 1/4" of water on it from all the rain last night and all day today, as i jerked the plane around in the air it appeared to get more and more tail heavy as the elevator got more and more responsive and it became VERY pitchy, what had happened was the 1/4" of water still standing on the runway the wheels had soaked a few oz up and the water was getting slung out during maneuvers, it felt strange to have an electric plane change CG during flight, especially to the extent it did with those few oz of water in the wheels.

    all in all I'm not overly impressed with it at this point and will try to get some different props to try out. this would be a good setup for sport flying, it's got plenty of authority for all maneuvers and it tracks great but it's not a match for hovering or high alpha.

    (in reply to KC36330)
           Post #: 412

    RE: E-Flite Mini Funtana X - 1/27/2008 1:01:12 AM   
    KC36330


     

    Posts: 2528
    Joined: 4/19/2006
    From: Enterprise, AL, USA
    Status: offline
    quote:

    ORIGINAL: jmir

    I use a rule of thumb for rough power comparisons, so 10X7=70 is close to 12X6=72. Using that comparison, my 11X5=55 uses less power. Not very scientific, but it helps compare props.


    i use diameter cubed x pitch (D x D x D x P) for a comparison. a 10x7 would be 7,000 (10 x 10 x 10 x 7) and a 12x6 would be 10,368 (12 x 12 x 12 x 6) so there is considerably more prop factor on a 12x6 then a 10x7, about 1/3 more

    (in reply to jmir)
           Post #: 413

    RE: E-Flite Mini Funtana X - 1/27/2008 1:07:09 AM   
    jmir


     

    Posts: 1047
    Joined: 4/19/2005
    From: Laurinburg, NC, USA
    Status: offline     		Well..... sad news..... my Mini Funtana X is no longer with us.

    Doing some knife edges, switching from left to right and got all mixed up on the last one. Giving it up elevator as it was switching to inverted position and it hit the ground at a pretty good speed. Only parts not damaged were the landing gear, rudder and elevator. Electronics, motor, battery OK, but everything else is trash.

    Got home and ordered an E-flite 280 3D since I've heard is better than the Mini Funtana on hovering. Thought I would give it a try before I order another Mini Funtana X.



    _____________________________

    Not raining? Not too windy? Guess what I''m doing!

    (in reply to KC36330)
           Post #: 414

    RE: E-Flite Mini Funtana X - 1/27/2008 1:12:51 AM