Lycoming IO-360 Series User Manual

SECTION 8 LYCOMING OPERATOR’S MANUAL
TABLES O-360 AND ASSOCIATED MODELS
INCH FRACTIONS CONVERSIONS
Decimals, Area of Circles and Millimeters
Inch Decimal Area MM Inch Decimal Area MM
Fraction Equiv. Sq. In. Equiv. Fraction Equiv. Sq. In. Equiv.
1/64 .0156 .0002 .397 1/2 .5 .1964 12.700
1/32 .0312 .0008 .794 17/32 .5312 .2217 13.494
3/64 .0469 .0017 1.191 35/64 .5469 .2349 13.891
1/16 .0625 .0031 1.587 9/16 .5625 .2485 14.288
3/32 .0937 .0069 2.381 19/32 .5937 .2769 15.081
7/64 .1094 .0094 2.778 39/64 .6094 .2916 15.478
1/8 .125 .0123 3.175 5/8 .625 .3068 15.875
5/32 .1562 .0192 3.969 21/32 .6562 .3382 16.669
11/64 .1719 .0232 4.366 43/64 .6719 .3545 17.065
3/16 .1875 .0276 4.762 11/16 .6875 .3712 17.462
7/32 .2187 .0376 5.556 23/32 .7187 .4057 18.256
15/64 .2344 .0431 5.593 47/64 .7344 .4235 18.653
1/4 .25 .0491 6.350 3/4 .75 .4418 19.050
9/32 .2812 .0621 7.144 25/32 .7812 .4794 19.844
19/64 .2969 .0692 7.540 51/64 .7969 .4987 20.241
5/16 .3125 .0767 7.937 13/16 .8125 .5185 20.637
11/32 .3437 .0928 8.731 27/32 .8437 .5591 21.431
23/64 .3594 .1014 9.128 55/64 .8594 .5800 21.828
3/8 .375 .1105 9.525 7/8 .875 .6013 22.225
13/32 .4062 .1296 10.319 29/32 .9062 .6450 23.019
27/64 .4219 .1398 10.716 59/64 .9219 .6675 23.416
7/16 .4375 .1503 11.112 15/16 .9375 .6903 23.812
15/32 .4687 .1725 11.906 31/32 .9687 .7371 24.606
31/64 .4844 .1842 12.303 63/64 .9844 .7610 25.003
8-6

Lycoming IO-360 Series Specifications

General

Oil System	Wet Sump
Engine Type	Horizontally Opposed, 4-Cylinder, Air Cooled
Displacement	361 cubic inches (5.9 liters)
Bore	5.125 in (130.2 mm)
Stroke	4.375 inches (111.1 mm)
Cooling System	Air Cooled