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[Feb 19] Case Study on the Buka Dragon (solution) - Fuel Fiji

Lean Phase: Solution

Assumption

  • That the customers partaking in the case study will be satisfied with the Buka Dragon stove, and
  • That the stove will maintain an adequate level of quality throughout the case study.

Time Box

6 months

Key Metrics

  • Durability
  • Efficiency
  • Usefulness

Success point -

Durability:

  • 100% the stoves maintain their shape and structural integrity over the 6 month period (if a stove has been damaged due to improper use, it should be excluded from the evaluation).
  • 70% of customers are satisfied with the appearance of their stove after the 6 month trial period.

Efficiency:

  • 80% of customers find that their stove cooks faster than an open fire.
  • 80% of customers find they use less firewood than usual
  • 80% of customers find they spend less money on kerosene

Usefulness:

  • 70% of customers have used the stove at least once per month.
  • 80% of customers agree that the stove is easy to move around and is not too heavy.

 

Green Light- Continue with the production of the stove and distribute it to retail outlets. Consider testing the stove in a lab to determine the maximum weight capacity and other basic properties that are not crucial to know, but may be interesting. Consider options of patenting the design.

 

Orange Light Range -

Durability:

  • 65-99% the stoves maintain their shape and structural integrity over the 6 month period.
  • 50-69% of customers are satisfied with the appearance of their stove after the 6 month trial period.

Efficiency:

  • 50-79% of customers find that their stove cooks faster than an open fire.
  • 50-79% of customers find they use less firewood than usual
  • 50-79% of customers find they spend less money on kerosene

Usefulness:

  • 15-69% of customers have used the stove at least once per month.
  • 50-79% of customers agree that the stove is easy to move around and is not too heavy.

 

Orange Light - Determine the reasons why the key metrics were not met. Brainstorm how these problems could be mitigated. Iterate the design process if necessary, or work on improving the user manual.

 

Failure Point - The stove has caused significant injury to a participant, and not at the fault of the participant.

Durability:

  • Only 65% the stoves maintain their shape and structural integrity over the 6 month period.
  • Only 50% of customers are satisfied with the appearance of their stove after the 6 month trial period.

Efficiency:

  • Only 50% of customers find that their stove cooks faster than an open fire.
  • Only 50% of customers find they use lass firewood than usual
  • Only 50% of customers find they spend less money on kerosene

Usefulness:

  • Only 15% of customers have used the stove at least once per month.
  • Only 50% of customers agree that the stove is easy to move around and is not too heavy.


Red Light - Cease production of the current version of the stove. If the stove is unsafe, refund all participants in the case study and retrieve the stoves. Determine the reasons why the key metrics were not met. Brainstorm how these problems could be mitigated. Iterate the design process.

Experiment Build

  1. Read over the Case Study Base Plan (https://docs.google.com/document/d/1ZAtoLHtmV...ZSh8CYrJA/edit).

  2. Read over the Impact Assessment Document (https://docs.google.com/document/d/1PVu4kwgJ9...XpNPM-2QY/edit).

  3. Order 10-15 stoves.

  4. Decide which customers will participate in the case study. Some examples of potential criteria could be:

    1. PEV relationship with village Headman

    2. Number of EOIs collected from the village

    3. Previous sales of Buka 4.0 made


  5. Write up a new user manual which includes information about the FaceBook page (use the Buka 4.0 Manual as a guide) (https://docs.google.com/document/d/1UlNfcj1rM..._P7SU2oW0/edit).

  6. Deliver the stoves to customers with printed user manuals.

  7. Ask preliminary questions surrounding the customer’s first impression of the stove.

  8. See the list of questions listed in the Impact Assessment Document (https://docs.google.com/document/d/1PVu4kwgJ9...XpNPM-2QY/edit).

  9. Collect and collate contact information of the customer, and the customer’s Headman.

  10. Collate initial customer feedback (could be a part of the same document/spreadsheet as contact info)

  11. After six months, call and/or visit the customers to ask questions and determine whether the key metrics were satisfied. Some ideas for possible questions are included, but limited to the questions in the Case Study Base Plan (https://docs.google.com/document/d/1ZAtoLHtmV...ZSh8CYrJA/edit).

edited on 4th February 2019, 05:02 by Eugenia Muñoz
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