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Fraser Murphy

Intelligent crop stacking system


Hi there,

We are designing a stacking system for germinating seedlings, and are having difficulting distributing weight evenly across the trays from top to bottom.


  • Ideally we want to stack a number of trays with seeds on top of each other (having a weighted surface ontop of the seeds helps to enhance germination and grow crops more quickly).
  • Stacking in a conventional manner (i.e. one tray ontop of another) means the tray at the bottom has X number of trays more weight than the tray at the very top.
  • It is important that the weight above any tray is not so heavy that the growing seedlings cannot push it upwards.
  • In a nut shell - the stacking/support system needs to provide weight ontop of each tray, while allowing the whole system to expand as the seedlings germinate and push the weighted surface up.


Is there a weighting/stacking system that we can exploit and use here?

We have though of srping loaded or pulley systems, but they don't seem to cut it.


Many thanks,



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