Stratus Bike - Industrial Design Project Book
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Transcript of Stratus Bike - Industrial Design Project Book
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Stratus BikeConor Brown | Ed Coe | Kristina Danielyan
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User
EM
PATH
Y: A
DAY
IN L
ukh
any
o s
SHo
es
After getting ready in the morning, Lukhanyo begins his daily 45-minute journey to school at 7:15 AM.
A dumping site on his route is filled with hazardous materials, including carcasses, and is unsafe.
This area is filled with thugs who target kids in uniform to mug them. Lukhanyo has fallen prey to them before.
Lukhanyo is a Rural South African student eager to pursue his education.
However, he faces a long and dangerous commute to school that tires him out and puts him at risk of violence.
This is his typical daily journey.
Source:
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After getting ready in the morning, Lukhanyo begins his daily 45-minute journey to school at 7:15 AM.
Lukhanyo wishes he could get to school by taxi like some students, but that option isn’t available to him.
Although the neighborhoods around Lukhanyo’s home are poor, he feels safe there as it’s familiar territory.
This area is filled with thugs who target kids in uniform to mug them. Lukhanyo has fallen prey to them before.
Once he gets to school, Lukhanyo feels safe and is eager to get to his studies.
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40% of South africans live in rural areas
most children in these areas walk to school
the commute, which takes 1-4 hours, leaves the kids exhausted
The Facts | Walking to School in South Africa
Risk of violence
exposure to the elements
Fatigue and poor concentration
The Dangers | Walking to School in South Africa
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50
% in
S.a
. Are living above the poverty lin
e
25
% A
re ultra-poor
Poverty: Living on less than $2/day
25% Are under
th
e P.
L.
Wealthier Farmers:1,737 S.A. Rand
or $150 / month
Source: Machethe et al. (2004)
Borderline Poor:720 S.A. Rand
or $62 / month
Very Poor:227 S.A. Rand
or $20 / month
Incomes in S.A. Farming communities
opportunity areas
Market Analysis | Potential Buyers in Rural Areas
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Early finding: using a bench seat to accomo-date multiple riders
Iterating on frame geometries.
Proposed Solution | Multi-Seat Bike
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Concept for the seating.
Stylization and detailing.
We landed on an adjustable single-spring suspension
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Tentative First Design
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This design was our first complete vision for the bike.
We set out to test and prove the design with a series of
prototypes.
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Prototype 1 | Proof of Concept
Seat hinge and anchoring
‘Bearings’ and basic suspension
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Prototype 2 | Refinement
Steel plate reinforcement
Wheel bearings and suspension axis
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Prototype 3 | Functional
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User
Tes
tin
g: C
ara, Pa
rke
r and C
oll
in
We confirmed that the seat allows for the rearrangement of kids of various heights.
Testing the seat on the bike showed us that the height of the bench is suitable.
Even a small child can lift the seat easily to tighten the bolt for adjusted suspension.
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Even a small child can lift the seat easily to tighten the bolt for adjusted suspension.
The most logical hand placement location turns out to be right under the rider’s seat.
Our smaller tester, Collin, had a little trouble getting on by himself; a peg is needed.
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A BIKE FOR WORK...
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... AND PLAY.
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... and later on as a compact action bike
The bike first acts as a kid’s bike...
Design Features
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Rectangular tubing -easy to cut and weld
Suspension - tighten one bolt to adjust
Pegs - keeping the legs out of the way
The backseat detatches to become a cargo rack
Rectangular tubing -easy to cut and weld
Coaster brakes - weather-proof & durable
Single gears -Simple and efficient
Small wheels allow for low center of gravity
Multi-person seat - comfprtably seats 3
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industrial manufacturing:JohannesburgCape TownPort Elizabeth
Local welding and assembly:Rural areas close todistribution centers
ManufacturingLogistics
Styling Choices
Turquoise is a lucky color in South Africa and was the inspiration for the more playful coloring.
The black and yellow version of the design gives a more subdued option.
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A group of kids can bike together to school in the morninG . . .
. . . and get back home in time to help with chores and play.