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Re: Europa-List: Setting angle of incidence for bonding spar alignment

Subject: Re: Europa-List: Setting angle of incidence for bonding spar alignment
From: Peter Zutrauen <peterz@zutrasoft.com>
Date: Wed, 30 Nov 2011 06:26:29
bushes

Sorry all, wasn't meant for the list.

Guess that means I *gotta* keep at it now ;-)

Cheers,
Pete

On Wed, Nov 30, 2011 at 6:25 AM, Peter Zutrauen <peterz@zutrasoft.com>wrote:

> Hi Andrew,
>
> It's great to hear you've got back at it!  Are you going to be updating
> your website again?
>
> My status?  Sadly  still at 1% due to about 10 false starts due to life.
> Just bought into a 1946 Canuck tho (created the not for profit "Heritage
> Fun Fliers Inc", so I'm back flying after a 10 year absence.  Quite the
> motivator!  Now that the snag list on the Canuck is gone, I'm about to try
> for #11, but this time with the Canuck to spur me onwards, I plan to keep
> at it.  My website has also been dead for about 10 years too.
>
> Cheers & blue skies,
> Pete :)
>
>
> On Tue, Nov 29, 2011 at 2:54 PM, Andrew Sarangan <asarangan@gmail.com>wrote:
>
>>
>> Hi Pete,
>> Thanks for that response. It is good to know that the drilled holes
>> are predetermined for the correct angle. My concern actually arose
>> from reading others' posting that the the pins were difficult to
>> engage, which I assumed came from small twists during the angle
>> setting process. These are long bolts, so I suspect even a fraction of
>> a degree rotation would cause the holes to become misaligned.  If I
>> could somehow verify using some reference points inside the cockpit
>> module that the bushes I am about to bond are actually at the correct
>> angle, that would be a great relief.
>>
>>
>> On Tue, Nov 29, 2011 at 2:24 PM, Peter Jeffers <pjeffers@talktalk.net>
>> wrote:
>> > Hi Andrew,
>> >
>> > The wing incidence is pre determined by the pre drilled bushes in both
>> the
>> > wing spars and the fuselage.  The angle of attack does need to be set by
>> > you.  Parallel to the front of the seat back refers to both spars being
>> > parallel to the seat back when viewed from ABOVE.
>> >
>> >
>> >
>> > Hope this will give you a different view on the problem
>> >
>> >
>> >
>> > Pete  Europa club LAA inspector
>> >
>> >
>> >
>> > -----Original Message-----
>> > From: owner-europa-list-server@matronics.com
>> > [mailto:owner-europa-list-server@matronics.com] On Behalf Of Andrew
>> Sarangan
>> > Sent: 29 November 2011 18:57
>> > To: Europa List
>> > Subject: Europa-List: Setting angle of incidence for bonding spar
>> alignment
>> > bushes
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > I am about to embark on bonding the spar alignment bushes into the
>> >
>> > cockpit module (chapter 14). The manual says to set the wing spar
>> >
>> > parallel to the front of the seat back, and that this is good enough
>> >
>> > for now. That seems rather arbitrary to me, given that the tolerance
>> >
>> > required later is 2.5 +/- 0.05 degrees. I am confused how the angle of
>> >
>> > incidence can be adjusted in the future with the bushes already bonded
>> >
>> > in. Would it not be best if the bushes are bonded after setting the
>> >
>> > 2.5 deg incidence? But then I am uncertain how to infer the angle of
>> >
>> > incidence with the cockpit module sitting face down on the floor. Any
>> >
>> > thoughts from experienced builders would be appreciated!
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > -----
>> >
>> > No virus found in this message.
>> >
>> > Checked by AVG - www.avg.com
>> >
>>
>>
>>
>>
>>
>>
>


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