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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 09:02:57

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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