[ATM] more trouble with figuring...

["Norm Prince" <princenorman@bellsouth.net>]

Howdie yall.

I thought I would be able to get along okay after absorbing all the q & a 
from resent discusions on the topic of figuring but i'm nearly at my wits 
end on this 12" project.

let me get some numbers out of the way

12.25" f/5 newt
full size lap w/gugolz #64
fixed source tester

mask as follows
zone1  0-2.155"
zone2  2.155-3.349"
zone3  3.349-4.218"
zone4  4.218-4.936"
zone5  4.936-5.563"
zone6  5.563-6.125"

Okay that said...here is a sample set of readings that is much like the last 
many sets of readings i have taken with figuring sessions in between.

zone1  .2,.194,.189
zone2  .234,.245,.259
zone3  .29,.288,.291
zone4  .304,.291,.304
zone5  .351,.341,.356
zone6  .485,.513,.52

The way i see it, the upshot of numbers like that is...the edge zone is 
winding up a bit over corrected and zones 3-5 wind up way undercorrected.  I 
was trying to get the undercorrected zones in shape by using short strokes 
with side swing and pressure over the undercorrected zones, but this is 
having little effect and is causing over correction in zone 2(???)...I tried 
making the center deeper(the under correction in the 3-5 being relative), 
but that just lead to way too much movement of the knife edge over all 
center to edge, and zones 3-5 were still undercorrected ...uhg... I've been 
able to change this over all shape repeatedly, but whenever i get to trying 
to correct the new shape i wind up right back here with zone 4 and 5 just 
not cooperating....i definitely do not have a good feel for this figuring 
stuff.

So...any suggestions on stroke or course of action?  Short of polishing back 
to sphere and starting the figuring proccess all over i got no more ideas.

any advice would be greatly appreciated...

Norm Prince 


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