Wing rib / rear spar

[Geoff van Asch]

Hi all

Hopefully someone out there can help.
I have asked Murphy Tech, but at this stage no reply.

I'm in the process of attaching the rear spar of the right wing to the
outside wing rib.
I need a little clarification and direction please.

I have prepared the aileron hinge doubler on the outside of the rear
spar.
Now to the point of drilling through the doubler, the rear spar an into
the tail of outside rib.

I find that the tail of the outside rib is narrower than the rear spar
(see the attached photos for clarification)
You can see I have a metal ruler on top of the rib down over the spar
where the top skin would be.
If I leave it like this then the bottom of the rib is 1/4" high (note I
have put the aileron hinge on the table so you can see the gap at the
bottom).

I couldn't get the email posted to the builders log with the attachment,
if anyone wants I will separately post the photo. (if Mike will allow!!)

I don't believe it should be this way, (if you look at fig 10.5.1 of the
instructions the rib is on the table so the bottom skin flows onto the
back spar, like wise the top skin would flow down the rib and onto the
back spar, both are flush.

What am I missing?
Can I do anything about it?
If I even the spar top and bottom both will be out by 1/8", that doesn't
seem right.

Can you please point me in the right direction.

Regards

Geoff van Asch Rebel 798






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