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The Cranberry Harvester

Red BOctober 5, 2005

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Market- 2005: 6.49 billion barrels- $225 million production- Wisconsin (50%)- Massachusetts (33%)- New Jersey, Oregon, Washington

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“Egg Beaters”

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Gathering

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Market OpportunityProduct Description: Remote controlled

watercraft that deploys the barrier used to corral the cranberries

Intended Customers: Cranberry Farmers

conducting a wet harvest

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Technical AnalysisCustomer Needs Design

AttributesEngineering

Specs

Easily and quickly deploy the cranberry barrier

Fast and simple Remote controlled craft with intuitive controls

Eco-Safe: not harmful to the bog

Non-toxic materials A motor that runs on food-grade oils

Works in a variety of sizes and shape bogs

Robust, stable, and flexible design

Floating on pontoons and had a small turning radius

Transportable: fits in the back of a pickup truck

Collapsible components Main elements easily disconnect for transport

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Our Prototype

Lightweight, simple structure

Spool of Barrier net

Pontoons

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Product Cycle

Cranberries

1. One end of net secured at shore

2. Boat circles cranberries, leaving net in path

3. Attach net to winch

4. Net constricts around cranberries

5. Conveyor belt removes cranberries (as done currently)

ConveyorPath of Boat and Net

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Net Orientation Test

Horizontal

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Net Orientation Test

- Conclusion: Power to unravel spool negligible compared to the power to overcome water resistance of boat.

Vertical

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Acknowledgments- Linda McIntyre- Bradshaw’s Cranberry Farm- Univ. of Georgia- http://library.thinkquest.org/TQ0312380/index.htm