For the LTM 1650-8.1, for example, it is 11.2 m/s and 13.4 m/s when using lattice equipment. To ensure that work can continue safely in even higher wind speeds, Liebherr has calculated the load charts for additional maximum wind speeds and programmed them in the crane control system. The wind load calculated from this is 50 Newtons per square metre. This is the standard with which all our competitors also have to comply. ![]() The load charts for cranes generally apply to gust speeds of up to 9 m/s, or for a mobile construction crane of up to 14 m/s, measured at the top of the boom head with an area exposed to the wind (including cw value) on the load of 1.2 m² per tonne. ![]() ![]() MK88 and MK 140 on an industrial installation job.
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