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Re: Europa-List: My ailerons wont go down

Subject: Re: Europa-List: My ailerons wont go down
From: David Joyce <davidjoyce@doctors.org.uk>
Date: Wed, 25 Jun 2014 15:47:09

William, If your Smartool is anything like my long 
smartool you can unscreww the short smartool from it 
rather than buy another. Regards, David Joyce


  William Daniell <wdaniell.longport@gmail.com> wrote:
> Gentlemen thanks for your contributions
> 
> I do have more than the full movement required without 
>the wings rigged
> leading me to identify the control system as the prime 
>suspect.
> 
> I shall re-start the process from scratch next weekend 
>(very annoying how
> work interferes with building)
> 
>   - I do actually have a smart tool but it's a long one 
>which is too
>   unwieldy for the ailerons so I will acquire a short 
>one
>   - Reducing the up throw by one degree per bud's 
>instructions
>   - Adjust the wing QD to 90 deg
>   - level everything and check that the fuselage end is 
>all correct
>      - control columns vertical and parallel
>      - centre the ailerons and ensure that the QDs are 
>vertical (using my
>      newly acquired short smart tool)
>   - And then if that doesn't solve it start playing 
>around with the
>   fuselage link rods - where  I now suspect the culprit 
>lies.
>   - I think on reflection that I haven't followed the 
>process carefully
>   enough so ....I am going to do it again...
> 
> thanks Will
> 
> William Daniell
> LONGPORT
> +57 310 295 0744
> 
> 
> On Wed, Jun 25, 2014 at 3:02 AM, David Joyce 
><davidjoyce@doctors.org.uk>
> wrote:
> 
>> davidjoyce@doctors.org.uk>
>>
>>
>> William, As a PS if you do have full range on the 
>>unrigged wings and full
>> down/reduced up on both with both wings rigged , then 
>>you need to adjust
>> the length of  control rods between wingroot and bell 
>>crank. Regards, David
>>
>>  William Daniell <wdaniell.longport@gmail.com> wrote:
>>
>>> David
>>> Yes the thought ocurred to me and it could be that this 
>>>is the root of the
>>> problem.  I made two templates and following buds 
>>>instructions measured at
>>> the hinge both for up and down ie using the lower 
>>>surface of the wing
>>> compared to the lower surface of the aileron.   So yes I 
>>>am measuring both
>>> up and down from the same place...the inboard hinge mid 
>>>point.
>>> Is this correct?
>>> Will
>>> On 24 Jun 2014 12:43, "David Joyce" 
>>><davidjoyce@doctors.org.uk> wrote:
>>>
>>>> davidjoyce@doctors.org.uk>
>>>>
>>>>
>>>> William, I don't know the answer, but if you haven't got 
>>>>one I would
>>>> strongly advise getting or borrowing a Smart Tool so 
>>>>that you can easily
>>>> and very accurately measure angles. It does occur to me 
>>>>to wonder whether
>>>> you are measuring your up and down angles off the same 
>>>>surface (i.e. Are
>>>> you measuring the neutral angle of say the upper 
>>>>surface, then measuring
>>>> the up and down angles of the upper surface, rather than 
>>>>the up angle of
>>>> the upper surface and the down angle of the lower 
>>>>surface) Regards, David
>>>> Joyce, G-XSDJ
>>>>
>>>>  William Daniell <wdaniell.longport@gmail.com> wrote:
>>>>
>>>>  I am rigging everything prior to closing
>>>>>
>>>>> I made some templates 23.5 up and 20 down for use on the 
>>>>>underside
>>>>> mindful
>>>>> or buds strictures to measure at the hinge
>>>>>
>>>>> I have followed the procedure on the book (i think).
>>>>>
>>>>> *1. Check that the short aileron link-rod is adjusted 
>>>>>such that when the
>>>>> bellcrank W13 is against its **stop, the aileron has 
>>>>>moved 23.5 up.*
>>>>> *2. With the aileron at neutral, adjust the length of 
>>>>>the lateral
>>>>> push-rod
>>>>> so that the quick-connect **bellcrank W16 is at 90 to a 
>>>>>line between
>>>>> both
>>>>> spar bushes.*
>>>>> *3. Adjust the tie-rod between both cranks CS08 so that 
>>>>>both control
>>>>> columns are parallel.*
>>>>> *4. Adjust the short outer push-rods between the CS08s 
>>>>>and the CS15
>>>>> bellcranks so that the latter are **vertical when the 
>>>>>control columns
>>>>> are
>>>>> vertical.*
>>>>> *When the wings are rigged the aileron movement should 
>>>>>be 23.5 up and
>>>>> 20
>>>>> down with full lateral **control column movement and 
>>>>>both ailerons
>>>>> should
>>>>> be in their neutral positions together when the*
>>>>> *control columns are vertical.*
>>>>>
>>>>>
>>>>> My ailerons go up the required 23.5 deg against both 
>>>>>stops but they
>>>>> don't
>>>>> go down the required 20 deg...not even close I would 
>>>>>guess that they are
>>>>> about 15-17 down
>>>>>
>>>>> I have taken it to bits and put it together fiddled 
>>>>>around but Im
>>>>> stumped.
>>>>> What I am I doing wrong?
>>>>>
>>>>> Might it be that the control columns should not be 
>>>>>parallell in this
>>>>> case
>>>>> due to variation in the build....
>>>>>
>>>>> thanks
>>>>>
>>>>> Will
>>>>>
>>>>>
>>>>> William Daniell
>>>>> LONGPORT
>>>>> +57 310 295 0744
>>>>>
>>>>>
>>>>  ===========
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>>>
>>>>
>>>>
>>>>
>>>>
>>>>
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