My Great Lakes 2T-1A-2 Rebuild Diary 2008.
10/11/13-January-2008. Right hand lower wing.
I clamped the old spar to the new spar, and match drilled the holes.
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The front spat has a doubler plate, so I removed it so the old and
new spar were exactly next to each other.
While removing the doubler I noticed the holes have been repaired.
As I drilled the spar attachment holes I pushed bolts in to make sure
nothing moved.
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As I drilled every hole I ensured the spar was level with the drill
with a digital level.
As I drilled the holes I also checked the alignment - did the hole appear
where expected?!
Curious - The holes appear to have been repaired, but the lower two
appear to have not been repaired. So were they drilled incorrectly when
it was new.
Ahh, the spar end has a vertical bolt. This is very tight, has to be
accurate.
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This will be tight! The position id taken from the old spar.
To fit the doubler. I clamped one on one side and drilled from threw
from the spar, then fitted the other side and drilled threw.
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As I drilled the holes I pushed bolts in to make sure they stayed in
allignment.
Holes drilled and spar cleaned.
First side bonded and nailed. Again I pushed the bolts in place to
make sure it stayed in aligment.
Other side now.
I put the glue on the the doubler plate so there was not an excess
on the spar.
Even though it was nailed I clamped thoroughly and ensured the glue
was pushed out properly.
Pleased with the last three evenings progress.
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