Mils Amount Of

(a) CHECKING INDICATOR BAR FOR SAG

Indicator bar sag can be determined by firmly affixing it to a sag-free shaft mandrel, usually 4-in (10-cm) diameter or larger, dependent on length. The mandrel may be supported between lathe centers, mounted on knife edges, or held and rotated by hand. With the indicator bar positioned on top of the mandrel, the sag of the bar will be down toward the mandrel. Set indicator face to read zero at this position. By zeroing the indicator, you have errored the indicator by the amount of the sag. Rotate the mandrel 180° (indicator at bottom position). The indicator bar will sag away from the mandrel; hence the indicator reading will be twice the actual bar sag and will read negative as shown in (a).

Survival Treasure

Survival Treasure

This is a collection of 3 guides all about survival. Within this collection you find the following titles: Outdoor Survival Skills, Survival Basics and The Wilderness Survival Guide.

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