Novel modular Polish cv
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A NOVEL modular commercial vehicle design was discussed at last week's Institution of Mechanical Engineers conference on vehicle structures at Cranfield Institute of Technology. The paper describing the design was presented by J. Pawlowski of Warsaw Technical University.
The modular design was shown to give reduced chassis
These are four of the variants which can be derived from J. Pawlowski's modular chassis design. a) is a platform with double deck central segment carrying 1S0, IC or 112 containers and ISO pallets; b) is a platform with single deck central segment and components of a box van; c) is a variant of a low floor Luton van with a side door; di is a tractive unit.
stress compared with conventional chassis member construction.
But Mr Pawlowski's main aims were to solve the problems of changes in handling behaviour between laden and unladen conditions; insufficient load space to achieve nomimal payloads with low density commodities; the inability to carry ISO containers on non-specialised vehicles; and the differential stiffness of box van bodies and chassis.
In the design described, 15 vehicle variants can be derived from one front, five central and four rear segments.
Joints between segments can be welded, or bolted if a convertible fleet of vehicles is required. The operational benefits were summerised as reduced number of vehicles; better use of nominal payload; simplified accident repairs and an air drag reduced by virtue of the low cab position.