[NSRCA-discussion] Guys I need help...

[R. LIPRIE]

Ya it is most likely giving you a false reading.
----- Original Message ----- 
From: "Karl G. Mueller" <kgamueller at rogers.com>
To: "NSRCA Mailing List" <nsrca-discussion at lists.nsrca.org>
Sent: Wednesday, December 27, 2006 11:05 AM
Subject: Re: [NSRCA-discussion] Guys I need help...


> JLK,
>
> Looks like you need to check out your incidence meter.
> If it is the old style Robarts Meter your lucky if you can read
> as close as 1º in accuracy.
>
> Karl  G. Mueller
>
> ----- Original Message ----- 
> From: "John Konneker" <jlkonn at hotmail.com>
> To: <nsrca-discussion at lists.nsrca.org>
> Sent: Wednesday, December 27, 2006 11:10 AM
> Subject: [NSRCA-discussion] Guys I need help...
>
>
>> I am working on my Focus II.
>> I have the wing adjusters for one wing installed.
>> In order to minimize the chances of a less than level table to affect the
>> incidence I decided to -0- the plane to itself.  The fuse sides at the
>> canopy are supposed to be level with the "water line" so I put a level on
> it
>> to check...bubble at -0-.  I then double checked against the fin bed and
> it
>> showed level.  I put a Robart incidence meter on the wing, set the panel
> to
>> +1/4 deg and glued the wing adjusters on that side.
>> This morning I was getting ready to do the other wing panel when I 
>> decided
>> to do some measuring.
>> Here is where I ran in to the unexplainable...
>> I measured the wing leading edge to the table top and then the trailing
> edge
>> to the table top.
>> I show approx. .15 inches positive!
>> I measured the leading and trailing edge to the piin stripe down the fuse
>> side (this stripe appears close to the water line) same positve incidence
>> shown.
>> I then rechecked with my incidence meter and got +1/4 deg with the fuse
>> level...I then "reversed" the incidence meter to check to see if swapping
>> ends had any effect...very little...maybe 1/8 degree...I can't read it
> that
>> close.
>> I then traced the leading and trailing edges on the fuse side with a felt
>> tip pin and rechecked my measurements to the table top and pin
>> stripe...same.
>> I am at a loss.
>> How can I seem to be off this much?
>> I could just cry....
>> Any ideas?
>> Thanks!
>> JLK
>>
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>
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