Multi-Crop Ewing Grinder

Bountifield International (formerly Compatible Technology International)

The Multi-Crop Ewing Grinder is a milling machine designed for making flour and pastes from grains and nuts

Snapshot
Manufacturing & delivery
Performance & use
Research & standards
Feedback

Product description Brand name and product description

Bountifield International’s Multi-Crop Ewing Grinder is a hand-operated burr mill capable of making flour from grains and creamy paste from nuts. The mill is portable and equipped with heat-treated burrs that do not require sharpening and can withstand long-term wear.

Target region(s) Target region for distribution/implementation (listed by country if specified)

The majority of the grinders are utilized in Sub-Saharan Africa.^{Interview with representative}

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

Bountifield International

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

370 USD

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

Quaker City Grain Mill, Motorization Kit for Country Living Grain Mill

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

Goal 2: Zero hunger

Target user(s) Target user/consumer base (country, income segment)

Home use and for businesses selling grinding services or nut paste.^{interview with representative}

Manufacturing/building method(s) Detail regarding solution production or construction method (instructions, mass production capacity, custom made,etc...)

The grain grinder is mass produced in China using materials including welded metal sheets^{Interview with representative}

Product Intellectual Property Open source/IP protected (note patent)/trade secret/other?

Open source

User Provision Model Where can the product be purchased/acquired by end users?

The Multi-Crop Ewing Grinder can be obtained directly from Bountifield International

Distribution to date Number of units that have been deployed, downloads or users to date

More than 300 grinders have been distributed since this particular model was introduced in 2011^{Interview with representative}

Fields marked are sourced values that have been evaluated by the manufacturer or a third party, all others are design specifications.

Feedstock types

List of crops that this technology mills

Nuts and grains

Feedstock rate (kg/hr)

Rate of grain milling, measured in kilograms per hour

6 - 28

Power source

How is the technology powered?

Both manual and motorized

Energy requirement (W)

Energy required to power the product, measured in watts

N/A

Portable or stationary

Is the technology movable?

Portable

Design specifications Component and Operation overview including power, portability, facility requirements, preventative maintenance and user training requirements

The Multi-Crop Ewing Grinder has heat-treated burrs that do not require sharpening and can withstand long-term wear. This reduces the need for replacement of components. The grinder is designed with steel housing and burrs with a diameter of 4.5 inches.

Product schematics Design and assembly illustrations

Technical support Technical support provided by

Upon purchase Bountifield International supplies a grinder manual, grinder training (either in-person or via Skype), and customer support via phone or email

Replacement components Availability of replacement components (in-country, by order,...)

The grinder’ manual contains a list of possible replacement parts that can be substituted for original parts. Users may contact the Bountifield International office for replacement parts.

Lifecycle Disposal and warranty

5-10 years

Manufacturer specified performance targets Designer / Manufacturer specified targets

The Multi-Crop Ewing Grinder is designed to be four times more efficient than traditional grinding methods and it is made to be easy to clean

Vetted performance Findings of manufacturer evaluations or independent testing centers

Unknown

Testing organizations Independent lab, academic research centers, etc.

Bountifield International

Safety Potential hazards / risks related to operation of this product

There are no known safety hazards linked with the use of this product

Complementary technical systems Performance of this product is improved with another technology (eg. Cookstoves and Wind-blocking skirts)

The motorized version requires electricity to operate

Academic research Academic research related to the product (e.g. published papers in peer-reviewed journals)

Calderón, V. R., Duville, K., Lopez, L., Rooney, L., Bermudez, C., Chacon, Y., and Pinilla, E., 2011, Utilization of Compatible Technology International (CTI) Grinders for Sorghum Flour Production in Central America.

Duville, K. E., 2012, Sorghum flour production manual for compatible technology international (CTI) burr grinders.

Compliance with regulations Product certifications and standards referenced by designer/manufacturer

None

Evaluation methods Evaluation methods/protocols/guidelines referenced by designer or manufacturer.

Unknown

Other information

None

In context photographs (0)

You can use the form below to contribute a photo of this product.

In context files & documents (0)

Feedback from users, customers & distributors

Please let us know your experience in using this product through comments below.

Snapshot

Product description Brand name and product description

Target region(s) Target region for distribution/implementation (listed by country if specified)

The majority of the grinders are utilized in Sub-Saharan Africa.^{Interview with representative}

Distributors/implementing organizations Organization(s) distributing/deploying this product directly to communities/individuals?"

Bountifield International

Market suggested retail price Price per unit or service price per usage/terms (USD). Subsidies noted.

370 USD

Competitive landscape Similar products available on the market. May not be a comprehensive listing.

Quaker City Grain Mill, Motorization Kit for Country Living Grain Mill

SDG targeted United Nations Sustainable Development Goals (SDGs) targeted with this product/application/service

Goal 2: Zero hunger

Target user(s) Target user/consumer base (country, income segment)

Home use and for businesses selling grinding services or nut paste.^{interview with representative}

Manufacturing & delivery

Manufacturing/building method(s) Detail regarding solution production or construction method (instructions, mass production capacity, custom made,etc...)

The grain grinder is mass produced in China using materials including welded metal sheets^{Interview with representative}

Product Intellectual Property Open source/IP protected (note patent)/trade secret/other?

Open source

User Provision Model Where can the product be purchased/acquired by end users?

The Multi-Crop Ewing Grinder can be obtained directly from Bountifield International

Distribution to date Number of units that have been deployed, downloads or users to date

More than 300 grinders have been distributed since this particular model was introduced in 2011^{Interview with representative}

Performance & use

Fields marked are sourced values that have been evaluated by the manufacturer or a third party, all others are design specifications.

Feedstock types

List of crops that this technology mills

Nuts and grains

Feedstock rate (kg/hr)

Rate of grain milling, measured in kilograms per hour

6 - 28

Power source

How is the technology powered?

Both manual and motorized

Energy requirement (W)

Energy required to power the product, measured in watts

N/A

Portable or stationary

Is the technology movable?

Portable

Design specifications Component and Operation overview including power, portability, facility requirements, preventative maintenance and user training requirements

Product schematics Design and assembly illustrations

Technical support Technical support provided by

Upon purchase Bountifield International supplies a grinder manual, grinder training (either in-person or via Skype), and customer support via phone or email

Replacement components Availability of replacement components (in-country, by order,...)

The grinder’ manual contains a list of possible replacement parts that can be substituted for original parts. Users may contact the Bountifield International office for replacement parts.

Lifecycle Disposal and warranty

5-10 years

Manufacturer specified performance targets Designer / Manufacturer specified targets

The Multi-Crop Ewing Grinder is designed to be four times more efficient than traditional grinding methods and it is made to be easy to clean

Vetted performance Findings of manufacturer evaluations or independent testing centers

Unknown

Testing organizations Independent lab, academic research centers, etc.

Bountifield International

Safety Potential hazards / risks related to operation of this product

There are no known safety hazards linked with the use of this product

Complementary technical systems Performance of this product is improved with another technology (eg. Cookstoves and Wind-blocking skirts)

The motorized version requires electricity to operate

Research & standards

Academic research Academic research related to the product (e.g. published papers in peer-reviewed journals)

Duville, K. E., 2012, Sorghum flour production manual for compatible technology international (CTI) burr grinders.

Compliance with regulations Product certifications and standards referenced by designer/manufacturer

None

Evaluation methods Evaluation methods/protocols/guidelines referenced by designer or manufacturer.

Unknown

Other information

None

Feedback

In context photographs (0)

You can use the form below to contribute a photo of this product.

In context files & documents (0)

Feedback from users, customers & distributors

Please let us know your experience in using this product through comments below.

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Multi-Crop Ewing Grinder

Bountifield International (formerly Compatible Technology International)

In context photographs (0)

In context files & documents (0)

Feedback from users, customers & distributors