[NSRCA-discussion] flutter again

Michael Ramsey milehipilot at gmail.com
Fri Sep 13 18:10:47 AKDT 2013


Is the wing flat? Maybe some turbulators would help?

Sent from my iPhone

On Sep 13, 2013, at 5:10 PM, George Kennie <geobet4evr at gmail.com> wrote:

> I build in stiffeners into the surfaces in both the balance tab and longitudinally so I don't think there's a flex problem.
> 
> 
> On Fri, Sep 13, 2013 at 6:01 PM, Michael Ramsey <milehipilot at gmail.com> wrote:
>> Probably 5.0V.
>> 
>> I'm sure that you've seen what the bottom of the aileron looks like on an F3P model. Would an external frame of carbon fiber help your design here?
>> 
>> 
>> On Fri, Sep 13, 2013 at 4:56 PM, George Kennie <geobet4evr at gmail.com> wrote:
>>> They're running on the BEC voltage. The ailerons are individually powered.
>>> 
>>> 
>>> On Fri, Sep 13, 2013 at 5:52 PM, Michael Ramsey <milehipilot at gmail.com> wrote:
>>>> But they are aircraft servos right? What voltage are they running on?
>>>> 
>>>> Paddles are normally used to reduce stick loads on ailerons that are linked to a single servo (or control stick). I don't believe dual servo setups benefit from aileron paddles. 
>>>> 
>>>> 
>>>> On Fri, Sep 13, 2013 at 4:49 PM, George Kennie <geobet4evr at gmail.com> wrote:
>>>>> I'd be surprised Michael. These are Solar servos and I think they're either one or two micro/sec and there is no slop anywhere
>>>>> 
>>>>> 
>>>>> On Fri, Sep 13, 2013 at 5:43 PM, Michael Ramsey <milehipilot at gmail.com> wrote:
>>>>>> Could what you're experiencing have anything to do with the deadband specification of the servo?
>>>>>> 
>>>>>> 
>>>>>> On Fri, Sep 13, 2013 at 4:34 PM, George Kennie <geobet4evr at gmail.com> wrote:
>>>>>>> The plane with the tape hinges was modified with balance tabs that I made up at the exact weight of the total surface and added an additional sub small surface at a different incidence and nothing changed.
>>>>>>> 
>>>>>>> 
>>>>>>> On Fri, Sep 13, 2013 at 5:30 PM, Tom Simes <simestd at netexpress.com> wrote:
>>>>>>>> On 09/13/13 13:27, George Kennie wrote:
>>>>>>>> > It's an original foamy design with 3D size surfaces, Michael.
>>>>>>>> > It's a progression of my Rad-Tad series
>>>>>>>> 
>>>>>>>> Have you considered taping on some quickie aerodynamic balancing tabs to
>>>>>>>> see if the behavior changes?
>>>>>>>> 
>>>>>>>> --
>>>>>>>> Tom
>>>>>>>> 
>>>>>>>> ======================================================================
>>>>>>>>    "Z80 system stack overflow.  Shut 'er down Scotty, she's
>>>>>>>>          sucking mud again!" - Error message on XENIX v3.0
>>>>>>>> 
>>>>>>>> Tom Simes                                       simestd at netexpress.com
>>>>>>>> ======================================================================
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