Symmetric Tripod - Rescue Consulting Canada
Symmetric Tripod - Rescue Consulting Canada
Symmetric Tripod - Rescue Consulting Canada
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III. Edge-A <strong>Tripod</strong><br />
Probably the most popular configuration for an over the edge rescue, the Edge-A<br />
<strong>Tripod</strong> is essentially an A-Frame with the added stability of a third leg. Edge A<br />
configurations are popular for their large work areas, high strength and the ability<br />
to configure the A leaning either over or away from the edge. The TerrAdaptor’s<br />
rear leg can be left to hinge (unsecured) or can be pinned in place for added<br />
stability.<br />
Table 5<br />
Edge A <strong>Tripod</strong><br />
Main Plate Head Angle Settings - B/B<br />
Height<br />
Half Plate<br />
Head<br />
Angle<br />
6’ D<br />
7’ C<br />
Upper<br />
Section<br />
Coupling<br />
Front - Y7<br />
Rear – X1<br />
Front – X5<br />
Rear – X1<br />
Lower<br />
Section<br />
Coupling<br />
Front – X9<br />
Rear – X9<br />
Front – X9<br />
Rear – X9<br />
Hobble<br />
Length<br />
Front – 112”<br />
Side – 136”<br />
Front – 116”<br />
Side – 122”<br />
Breaking<br />
Strength<br />
Applicable<br />
Standards<br />
9,100 ASTM<br />
9,600 ASTM<br />
TerrAdaptor Users Manual (Dec 2008) 23
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