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He juggled with 30–40 kg weights, and his trademark feats included lifting large platforms on which several people were performing various activities, such as acrobatics, cycling and weightlifting. His two sons, Arkady and Roman, were also strongmen and acrobats, and they performed in the circus alongside his father. [2] [4]
Lifting a stone at Harri-jasotzaileak event in the Basque Country. Lifting stones are heavy natural stones which people are challenged to lift, proving their strength. They are common throughout Northern Europe, particularly Iceland (where they are referred to as steintökin), Ireland, Scotland, Basque Country, Faroe Islands, Wales, North West England centered around Cumbria, Switzerland ...
The slab lifter uses two safety devices. Safety chains and a support bracket allow safe lifting of large slabs. This lifting appliance also has a safety locking device that is engaged when the gripping pads are activated by the weight of the stone. This prevents any jerking movement from releasing the stone.
Hydrogen, being the lightest existing gas (7% the density of air, 0.08988 g/L at STP), seems to be the most appropriate gas for lifting. It can be easily produced in large quantities, for example with the water-gas shift reaction or electrolysis, but hydrogen has several disadvantages: Hydrogen is extremely flammable.
The "hammerhead", or giant cantilever, crane is a fixed-jib crane consisting of a steel-braced tower on which revolves a large, horizontal, double cantilever; the forward part of this cantilever or jib carries the lifting trolley, the jib is extended backwards in order to form a support for the machinery and counterbalancing weight. In addition ...
The performance of super-heavy jib cranes is measured in tonne-metres, the product of weight and lifting radius, typically as much as 100,000 tonne-metres for large cranes. [8] Sarens offer a range of such cranes from 90,000 to 250,000 tonne-metres. [4] [5] Lifting a 3,200 ton load to a height of 120 metres may take up to 15 minutes.
Low-pressure bags are operated at 7.25 psi for high vertical lift in a large surface area but lower lifting capacities. Medium-pressure bags are operated at 15 psi. High-pressure bags which have higher lifting capacities are operated at pressure between 90 and 145 psi. Two air bags can be stacked together to provide a higher lift.
Taisun, the world's strongest gantry crane, at Yantai Raffles Shipyard, Yantai, China. Full gantry cranes (where the load remains beneath the gantry structure, supported from a beam) are well suited to lifting massive objects such as ships' engines, as the entire structure can resist the torque created by the load, and counterweights are generally not required.