ELLIPSEJ/A
-8-
Ellipse & Circle Look-up Chart
This shows three major lengths of ellipses with the
maximum and minimum widths.
Any variation between these sizes can also be produced
with this jig.
Minor Axis Major
Min
Max
Axis
2700
2940
3090
1700
1930
2100
1620
1850
2000
1570
1800
1950
1500
1750
1900
1450
1700
1850
1400
1650
1800
1350
1600
1750
1300
1550
1700
1250
1500
1650
1200
1450
1600
1150
1400
1550
1100
1350
1500
1050
1300
1450
950
1250
1400
950
1200
1350
900
1150
1300
850
1100
1250
800
1050
1200
750
1000
1150
710
950
1100
660
900
1050
610
850
1000
580
800
900
580
760
900
580
700
850
580
650
800
580
610
750
580
580
690
Maximum possible with the addition of one
extension bar
Maximum possible with standard 100mm
trammel bar,
With circle cutting attachments, diameters of 1850mm or
more can be cute, routed or moulded
66”
(1675mm)
54”
(1370mm)
42”
(1065mm)
30”
(760mm)
72”
60”
48”
1830mm
1525mm
1220mm
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