Tree Limb Weights . To estimate branch weight, woody material weight must be added to moisture (water) weight. Whether rigging with a crane, from an aerial lift, or rigging in the tree, knowing the weight that you are subjecting the tree and your gear to is important data to have. fruit tree limb weight University of Delaware Carvel REC Flickr from www.flickr.com The meaning of limb is one of the projecting paired appendages (such as wings) of an animal body used especially for movement and grasping but sometimes modified into sensory or sexual organs. Some photographic methods are being developed to allow calculation of diameters of trunk and limb segments in photographs that contain a scale of known size and where distance to the target is known. Estimate the volume of the entire tree.