Ma tt Brune lle Nic o le Co nwa y Mike K e nne dy K a ty Wurma - - PowerPoint PPT Presentation

Ma tt Brune lle Nic o le Co nwa y Mike K e nne dy K a ty Wurma n

Agenda

• T

e a m I ntro duc tio n a nd Ro le s

• Pro b le m Sta te me nt
• Ba c kg ro und I

nfo rma tio n

• De vic e Use
• Pro je c t De live ra b le s
• Re q uire me nts
• T

e st Pla n

• Pho to s
• Re sults
• F

uture I mpro ve me nts

• Que stio ns

Team Introduction and Roles

Member Major Role

Matthew Brunelle Mechanical Engineer Engineer Nicole Conway Mechanical Engineer Engineer Michael Kennedy Mechanical Engineer Engineer Katy Wurman Industrial Engineer Project Leader

P14031 Problem Statement

• Curre nt Sta te
• A jib tra nsfe r b e nc h wa s c re a te d in Spring 2013 (P13031) tha t is he a vy,

e xpe nsive , la b o r-inte nsive to a sse mb le , a nd a c c o mmo d a ting o f a stric t size c o nstra int pre se nt a t the time .

• De sire d Sta te
• A jib tra nsfe r syste m tha t e na b le s a jib trimme r to mo ve tra nsve rse ly a c ro ss the

wid th o f the sa ilb o a t, witho ut the use o f the ir le g s o r c o re musc le s.

• Pro je c t Go a ls
• A fully-func tio na l pro to type tha t is:
• lig hte r
• c he a pe r
• e a sie r to a sse mb le a nd ma nufa c ture
• Co nstra ints
• De sig ne d fo r use with the So na r c la ss o f sa ilb o a ts
• Co mple te ly me c ha nic a l so lutio n
• De sig ne d fo r e a se o f re pro d uc ib ility
• Ca nno t re q uire a lte ra tio n o f the b o a t o r c a use d a ma g e

What’s a jib?

• T

he sma lle r tria ng ula r sa il to wa rds the b o w (fro nt)

• f the b o a t
• I

n do wnwind sa iling , it a c ts to pro vide a g re a te r to ta l sa il surfa c e a re a fo r the wind to a c t upo n

• I

n upwind sa iling , it a c ts a s a n a irfo il, while a lso funne ling mo re a ir o nto the ma insa il, a nd the re fo re he lps with the

• ve ra ll fo rwa rd b o a t

spe e d.

P14031 Problem Statement

• Curre nt Sta te
• A jib tra nsfe r b e nc h wa s c re a te d in Spring 2013 (P13031) tha t is he a vy,

e xpe nsive , la b o r-inte nsive to a sse mb le , a nd a c c o mmo d a ting o f a stric t size c o nstra int pre se nt a t the time .

• De sire d Sta te
• A jib tra nsfe r syste m tha t e na b le s a jib trimme r to mo ve tra nsve rse ly a c ro ss the

wid th o f the sa ilb o a t, witho ut the use o f the ir le g s o r c o re musc le s.

• Pro je c t Go a ls
• A fully-func tio na l pro to type tha t is:
• lig hte r
• c he a pe r
• e a sie r to a sse mb le a nd ma nufa c ture
• Co nstra ints
• De sig ne d fo r use with the So na r c la ss o f sa ilb o a ts
• Co mple te ly me c ha nic a l so lutio n
• De sig ne d fo r e a se o f re pro d uc ib ility
• Ca nno t re q uire a lte ra tio n o f the b o a t o r c a use d a ma g e

P13031: Past Iteration

• F
• r use with So na r c la ss

sa ilb o a t

• Allo ws disa b le d pe o ple

to sa il

• 270 lb we ig ht c a pa c ity
• He a vy (125 lb s)
• L

a b o r inte nsive to a sse mb le

• Multiple pe o ple re q uire d
• No t ide a l fo r sma ll-

sc a le pro duc tio n

• Ma ny c usto m pa rts

Device Lifecycle

Stored under gangway Installed in boat before each use Used in wet environment Removed immediately after sailing Taken out in pieces

Additional Project Deliverables

• F

unc tio na l jib tra nsfe r syste m tha t me e ts the c usto me r’ s re q uire me nts

• De ta ile d de sig n pla ns

fo r ma nufa c turing

• I

nsta lla tio n a nd a sse mb ly instruc tio ns

• Use r ma nua l fo r pro pe r

de vic e use

Stakeholders

• Ada ptive sa iling

pro g ra ms/ c e nte rs

• Sta ff a nd vo lunte e rs
• Disa b le d sa ilo rs o r

po te ntia l sa ilo rs

• RI

T

• MSD te a m

Use Scenarios Considered

• At Pie rs Pa rk, yo ung e st

use rs usua lly 18-20 yrs o ld

• T

ypic a l use rs ha ve :

• One -side d we a kne ss
• Stro ke
• T

ra uma tic b ra in injury

• Spina l injury
• L

imite d c o re stre ng th

• Ma y ne e d se c ure ha rne ss
• Hig h-func tio ning q ua driple g ic
• Still ha ve so me g rip

stre ng th

• Ab ility to b e use d in

c o njunc tio n with e xisting sta b ility b a r

via piersparksailing.org

Importance Scale: 1 = High Priority, 2 = Medium Priority, 3 = Low Priority

Customer Requirements

Engineering Requirements

Test Plan Summary

CAD without seat

Securing Device – View Under Deck

In-Boat Photos

Starboard Side

Starboard Side 2

Aerial View

Chair Movement - Above

Chair Movement - Above

Chair Movement - Above

Chair Movement - Above

Chair Movement - Above

Chair Movement - Above

Chair Movement - Above

Results

A de sig n tha t: A de sig n tha t inc lude s:

• I

s 59% lig hte r

• 79% le ss e xpe nsive
• I

s sig nific a ntly e a sie r to b uild

• Re q uire s o nly o ne pa rt to

b e ma c hine d

• I

s 50% q uic ke r to insta ll into the b o a t, a nd re q uire s o nly o ne inc lude d to o l to do this

• I

s mo re c o mpa tib le with a sa lt wa te r e nviro nme nt

• De ta ile d BOM
• De ta ile d dra wing s
• E

a sy-to -fo llo w b uild instruc tio ns

• E

a sy-to -fo llo w a sse mb ly instruc tio ns

• All o f the se a re fre e ly

a c c e ssib le to the pub lic

Future Improvements

• F

urthe r re duc e c o st

• E

limina te the ma c hine d pa rt (a na lyze a nd re -de sig n the b ra king / lo c king me c ha nism)

• Ana lyze the e xa c t spe c trum o f disa b ilitie s tha t use rs

ma y ha ve in o rde r to a c c o unt fo r spe c ific e rg o no mic c ha ng e s a nd a ddre ss e a c h disa b ility in the mo st e ffic ie nt wa y po ssib le

• I

nc o rpo ra te a dditio na l mo ve me nt a ssists to de vic e

What’s Next?

• Ga te Re vie w
• July 7th: Pre se nt a t 7th

Wo rld Co ng re ss o f Bio me c ha nic s in Bo sto n, MA

• July 9th: De live r to

c usto me r – Pie rs Pa rk Sa iling Ce nte r

Thank you!

T

• K

a te L e ipo ld, E liza b e th De Ba rto lo , K e ith Burha ns, Ca itlyn Ridg e ly, Pie rs Pa rk Sa iling Ce nte r, a nd RI T Se nio r De sig n

Questions?

T ha nks fo r c o ming !