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Andrews Web Site
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Date: 1-15-2007
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Number of Hours: 5.00
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Manual Reference:
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Brief Description: Main spar web
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Just about ready to start laying out hole pattern for center spar I recheck the plans and
realized I cut the web 20mm undersized. Plans calls for 3140mm AFTER FORMING. There was no
developed length indication on the plans as there is normally. Ugh. Dag, have to cut a whole
new .040 web. Wasn't looking forward to that at all after the last go-round. Been agonizing
over this no really good tool for making LONG cuts through fairly thickl material. Was never
really happy with the laminate cutter; making repeated scores and then folding/breaking the
piece over the edge of the table. Decided to look in the cupboard and see what I had. Pulled
out both power shears I have; one electrics (piece of crap, pieces too warped), and the
other pneumatic. Couldn't remember ever using it. Hhhmmm, lets give it a try. Wow, cuts
great. I'll use it. Couldn't remember why I never used it. 2 minutes later I remembered why,
it jammed up. WTF? Pulled it apart and found a planet gear set, that moved... pulled apart
head, that moved. Put it back together, jammed up again. Pulled it apart again, and put the
cam that the planets move in the business end, that jammed. Apparently a high-spot in the
'quality' Chinese made central machinery shears. Pulled apart the blades and after several
tries got the cam to move without a problem. In the process I also ground down the underside
of the shears a bit to remove a high sharp angled spot that was making a slight scratch
across the sheet as I cut earlier. Put it all back together and gave it a whirl. Cut til it
didn't. Still binding. Double WTF?
continued...
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