Sunday, 22 November 2009

Balance Testing

The following video shows some very scientific high-tech tests testing turbulence on the floating garden modules to determine their dimensions:




Here are the measurements for the individual pieces that will make up the floating garden modules. They are calculated based on the amount of plywood we have available.

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Using three sheets of plywood with two pieces of foam insulation board sandwiched in between will give enough buoyancy for the floating garden to float. From the calculations this will allow us to make a number of floating gardens allowing us to test variables by making each floating garden different

Module size testing

We are trying to determine the module size we need to be able to withstand the turbulence at sea and to be stable enough for us to walk on.

The module has to:
-Use the material limitations we have economically
-Have enough buoyancy to allow two people to float on it
-Able to walk along it comfortably
-Have enough room for added safety equipment/space to transport harvested food
-To be used as individual life rafts if the gardens break
-Be able to fit into the size of transport we have (a van)

The following are some practical investigations into sizes of possible modules:

The first test was a test of balance, being able move around freely in turbulent conditions is one of the highest priorities and will determine the size of the module


Open_sailing balance test

The optimum width we found was 60cm across

Open_sailing balance test

A length of 240cm we found to be long enough for us and some equipment

Open_sailing balance test

Lastly if we break the module is long enough to be used as a raft

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-So a module length of 240cm x 60cm will be used

module size


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