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“Train Assembly” of MultiRigÔ Multihulls:
Several MultiRigÔ sailing Multihulls and particularly Catamarans can be linked together like train cars.
As stated above, when several MultiRig MutliHulls are designed to be joined together like train cars, it may be preferable that the types of MultiRigs are made to alternate, i.e. that for example a “left” type MultiRig Multihull is made to follow a “right” type, when this is necessary to avoid any boom “conflict”.
The type of assembly between the MultiRig MutliHulls depends mainly on the design and the intended operations of the concerned Multihulls.
In the horizontal plane, the Multihulls can be linked through a rigid binding, the Multihull at the back remaining aligned with the one in front, thereby obtaining a double (or triple, a.s.o.) length Multihull.
This binding can also be “articulated”, allowing the Multihulls to rotate vis-à-vis the other, thereby obtaining a train-like series of two (or more) articulated Multihulls.
The control of the angle in the horizontal plane between the Multihulls can be “active”, i.e. the articulation is controlled or even powered, through mechanical or hydraulic means, possibly with the assistance of a computer commanding the angles of the booms and between the Multihulls, taking into account the intended heading, the wind direction and strength, the waves, etc…
It can also the “passive”, through the utilization of shock absorbers, the control of the angle between the Multihulls then depending mainly on the action of the wind on the sails.
In all cases, the assembly between the linked Multihulls in a vertical plane can be either “rigid” or “articulated”, in an “active” or “passive” manner, depending on the design and intended use for the combined Multihulls.
It is well understood that an “articulated” “active” assembly can be adjusted to “passive” and even “rigid”…
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