vendor meeting

Bowling SummaryBowling Summary

For Columbia Vendor VisitFor Columbia Vendor Visit

Oct. 2003Oct. 2003

Bowling and Scoring HistoryBowling and Scoring History

YearYear EventEvent ScoringScoring

19051905 11stst Rubber ball Rubber ball 1:20001:2000

19131913 DoDo ball is outlawed (24#)DoDo ball is outlawed (24#) 1:44001:4400

19361936 Ned Day – 1Ned Day – 1stst 3 finger ball 3 finger ball 1:11961:1196

19451945 11stst Lane Oil Lane Oil 1:39341:3934

19591959 Columbia- 1Columbia- 1stst Polyester ball Polyester ball 1:27071:2707

19661966 11stst rule about “not altering rule about “not altering oil to create ball path”oil to create ball path”

1:18301:1830

19731973 ““Soaker” ball outlawedSoaker” ball outlawed 1:15831:1583

Evolution of the Bowling EnvironmentEvolution of the Bowling Environment- 1970’s Polyester Era -- 1970’s Polyester Era -

1/8 ounce of oil per lane1/8 ounce of oil per lane Hot balls - Yellow Dot, soakersHot balls - Yellow Dot, soakers

0 20 40 60

Distance Down Lane (feet)



19741974 ““Blended” lane conditionBlended” lane condition 1:15831:1583

19761976 ““Blended” went to “Flat”Blended” went to “Flat” 1:17131:1713

19811981 11stst urethane ball urethane ball 1:4051:405

19861986 ““Short Oil”Short Oil” 1:2841:284

Evolution of the Bowling EnvironmentEvolution of the Bowling Environment

- 1980’s - 1980’s Urethane Era -Urethane Era -

Urethane balls with more frictionUrethane balls with more friction

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Ball Path 1970's Ball Path 1980's

Bowling and Scoring HistoryBowling and Scoring HistoryYearYear EventEvent ScoringScoring

19901990 Many 2-piece ball releasedMany 2-piece ball released 1:1621:162

19911991 11stst reactive shell- Excalibur reactive shell- Excalibur

Phantom core patentPhantom core patent

19921992 3 unit lane oiling rule3 unit lane oiling rule

All Manufactures introduce All Manufactures introduce reactive shellreactive shell

1:991:99

19931993 New Ball specs for Rg, New Ball specs for Rg, differential Rg, COR, & COFdifferential Rg, COR, & COF

Squeeky-many grit polish Squeeky-many grit polish

1:781:78



19941994 Lot of reactive balls with Lot of reactive balls with higher Differential Rg, higher Differential Rg, Columbia-ceramic coresColumbia-ceramic cores

19951995 Thicker oilThicker oil

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1990’s - Reactive Era1990’s - Reactive Era

Dramatic change in the bowling environment- balls and Dramatic change in the bowling environment- balls and laneslanes

The way the sport is played is changingThe way the sport is played is changing Oil dries up faster creating more friction from the lane Oil dries up faster creating more friction from the lane Wet/Dry conditions become common placeWet/Dry conditions become common place

Lane GraphsLane Graphs



19981998 11stst Brunswick particle shell- Brunswick particle shell- ceramic microspheresceramic microspheres

Lane oils with solidsLane oils with solids

1:361:36

19991999 Columbia Chaos- glass Columbia Chaos- glass microballoons shell, 1microballoons shell, 1stst multicolor shellmulticolor shell

Storm- rubber particlesStorm- rubber particles

1:471:47

20002000 Columbia- Calcium Columbia- Calcium carbonate in shellcarbonate in shell

1:421:42

Bowling and Scoring HistoryBowling and Scoring HistoryYearYear EventEvent ScoringScoring

20012001 11stst Ebonite clear reactive Ebonite clear reactive Storm- clear shell with soccer Storm- clear shell with soccer & football inside& football inside

Columbia-silane coated TECColumbia-silane coated TEC

71 year old man- 890 series71 year old man- 890 series

1:421:42

20022002 Columbia shells- TiOColumbia shells- TiO22, solid , solid TEC (M5000), silane coated TEC (M5000), silane coated micamica

1:401:40

Bowling Ball HistoryBowling Ball History


20032003 Columbia shell- larger (21 Columbia shell- larger (21 micron) solid microballoon, micron) solid microballoon, multicolor conventionalmulticolor conventional

Ebonite- “Hook Again” Ebonite- “Hook Again”

1:361:36

20042004 ????????

Columbia- Ball PerformanceColumbia- Ball Performance

Performance from Polyester, Performance from Polyester, Urethane, Reactive & ParticleUrethane, Reactive & Particle

Ball Path for Test Balls - Dan, Medium Oil

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Polyester White Dot Urethane Ti Beast

Reactive -no flare Superbeast Reactive with flare Messenger Ti Pearl

Particle shell Rock On

Superflex and G-4Superflex and G-4Ball Path for Messenger Ti with G-4 Shell-

Chuck, Med. Oil (prog. 1)

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Messenger Ti- red/blue

Messenger Ti- gold/black 03704143

Messenger Ti w/ G-4 Shell 2X033601

G-4 shell- more of an arc on the backend then the 2 superflex balls, the gold/black pearl ball had the most backend

Performance from Superflex & Performance from Superflex & Holoflake ShellsHoloflake Shells

10 20 30 40 50 60Distance Down Lane (feet)

Holoflex Superflex

heavy oil

light oil

Superflex- reactive shell, good skid in oil and sharp turn on dry, less severe turn then Holoflex, better on carrydownHoloflex- maximum skid in oil, sharp turn at the break point and maximum entry angle, need to play in the dry area with clean backends

Superflex and AfflairSuperflex and AfflairBall Path for Messenger Ti Red/Blue vs. Black/Gold ball-

Dan, Med. Oil, Prog. 1

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Messenger Ti- Black/gold pilot pearl

Messenger Ti- blue/ red solid

Messenger Ti, black/gold, pearlized- sharp turn at break point, hard to see the ball because the colors blend into the laneMessenger Ti, Red/blue, solid- hooked a little more then pearl ball, sharp break point, similar ball reactions just a little more hook overall

Performance from Different ParticlesPerformance from Different Particles

10 20 30 40 50 60Distance Down Lane (feet)

Holoflex Superflex TEC2 TEC

heavy oil

light oil

TEC- hook in oil with smooth arc as it transitions to dry (medium size particles)TEC2- good ball for oil, will delay hook on heavy oil but still make a sharp turn on carrydown (small particles)MegaTEC- Reacts similar to TEC with more hook in oil, coated TEC particles

2003- Muscle GTO (P57)2003- Muscle GTO (P57)Ball Path for Potters Particle in Superflex-

Chuck, Med Oil, Prog. 1

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superflex w/ U.C. control 6% P57 w/ U.C. 2V220803

6% P58 w/ U.C. 2V222903 6% P59 2V221102

6% P57- w ay too early, w ould not polish at all, oil absorption- ranged from 86 min to 80% in 180 min (VERY SLOW BUT HOOKED- 1st ever), could be good w ith a lot less particles??6% P58 - less than superflex, oil absorption-not all the oil w as gone in 180 min 6% P59 &P60 - average

Particle Size ComparisonParticle Size Comparison

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TEC TEC2 Muscle Muscle GT

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TEC-Round hollow balloons


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Muscle GT- Large, engineered perfectly smooth, solid microsphere bead which is twice the size of TEC

Microscopic View of Balls Microscopic View of Balls with TEC vs. Superflex with TEC vs. Superflex

Superflex TEC

TEC vs. Muscle vs. Muscle GTTEC vs. Muscle vs. Muscle GT

Chaos-TEC Microballoons

Icon-Muscle, Tio2

Throttle- Muscle GT, solid glass balloons

Closer Look at TEC Closer Look at TEC Photos of ParticlesPhotos of Particles

10 micron

Newest Columbia Shell Particle Newest Columbia Shell Particle

Muscle GT – magnified 500 X

Muscle- magnified 10,000 X

20 micron

1 micron

Experimental ShellsExperimental Shells

Experimental Particles- Recycled Experimental Particles- Recycled Glass, TPU, and ClayGlass, TPU, and Clay

Ball Path for Test Balls from BASF- Dan, Heavy Oil, Prog. 5

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6% TPU w/ Rage core 2T117101 polished

6% recycled glass w/ Rage core 2T117701 polished

6% Koalin Clay & silane w/ 3-Piece core 2T117001 polished

6% TPU w/ Rage core- large particles, rough texture, good backend, little sooner, hooked early when heads broke down6% Recycled glass w/ Rage core- very large particle, can see particles/ texture (interesting), very curvy (no snap), pretty good length, did not roll out (still COF left)6% Kaolin Clay & silane with 3-piece core - good length, OK backend, no flare (got wider but no separation between oil rings), good oil absorption, could be best ball from test because of no flare

Wollastonite and TalcWollastonite and TalcBall Path for Wollastonite, Calcium Carbonate & Talc-

Chuck, Heavy Oil (prog. 5)

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Chaos- control12% Wollastonite w/ Ti Boss core 9Y41300212% Calcium Carbonate w/ Ti Boss core 9Y40400410% Benwood talc w/ Ti Boss core 9Y430002

12% Wollastonite-less backend then Chaos, could not miss right, more room w ith Chaos12% Calcium Carbinate-same as Chaos, only had .027 Diff Rg (hook more w ith more diff Rg)10% Talc- sooner then Chaos, real close to Chaos (Chaos is longer and more BE), like it because you can read the break point,.038 diff Rg (less f lare)

Latest Potters’ ParticlesLatest Potters’ Particles

Part. Material Comments Hard.Oil Absorb Chuck Jeff

49 Smaller microballoons 150P6- finer particle

50 Glass beads 1901.90 refractive index for aesthetics, 4.15 sp gr 76 8-17 too early and rolled out

more backend than P60, longer than superflex, liked this one

52Course cut glass beads uncoated, GD02006

32 micron, 1.51 refractive index, 2.44 sp gr 75-76 15-20

liked this one, early- had to move in, sooner than P51, less than superflex

straighter through front w/ more backend, hooked the most

53Course cut glass beads uncoated, GD02009

33 micron, 1.51 refractive index, 2.44 sp gr 74-75 26

good ball w/ even roll, not good on oil- early but needs dry to create backend

hard to polish, good length & med. backend, quit on BE, seemed to suck up oil

56

Course cut glass beads w/ amino functional coating, GD02012

44 micron, 1.51 refractive index, 2.44 sp gr 75

180 to none

starts early with even roll, BEST test ball, on oil -too early, better polished

57Fine cut glass beads GD02013

21 micron, 1.51 refractive index, 2.44 sp gr 76-79

86 min to 80% in 180 min

hooked way too early and too much, would not polish, needs a lot less then 6%

hooked way too much & difficult to polish, hooked really early with little oil absorption

60110P8 w/ water & oil repellant. GD 02005

11 micron, 1.51 refractive index, 1.1 sp gr 75

35-90% in 180 min

average backend, less than superflex

great length and great backend, polished - arced, sooner than P50

superflex- control6% TEC 110P8- control less backend than superflex

Green - have good potentialBlue- bad results

Different Particles TestedDifferent Particles TestedMaterial From Comments fastrak ER# Date

P1 SG extendospheres Potters large 200 5/27/1999P2 110P8 Potters TEC3 Talc Zemex Benwood 2202 204,216 7/19/19994 Talc Pioneer 238 10/21/19995 Talc Milwhite TDM-85 285 4/5/20006 Nanoclay 233 10/1/19997 Microglass Fibertec 247,295 11/18/19998 Silica 247 11/17/19999 Wollastonite Fibertec 251 12/3/1999

10 Calcium carbonate Huber M3T 251 12/3/199911 Holoflake 298 2/1/200012 Microglass NGF Canada RCF600, very large 283 4/4/200013 Muscovite Fibertec 284 4/5/200014 Granite Elite Huber 305,328 6/26/200015 18 micron 110P8 Potters large TEC 331, 321 8/27/200016 silane coated TEC Potters aminosilane 331 9/25/200017 solid TEC Potters M5000 394 5/18/200118 Al trihydroxide Huber 2 micron 328 9/20/200019 Fiberglass matt PPG 329 9/20/200020 Black Rubber Rouse large 408, 490 6/19/200121 Diatomaceous earth 362 12/22/200022 Polyethylene 362 12/22/200023 Wood flour 398 5/22/200024 Kaolin Clay Huber 408,427 6/19/200125 Muscovite Fibertec 30U, untreated 427 8/17/200126 Muscovite Fibertec 30S, silane treated 10/1/200127 Muscovite Fibertec 20S, silane treated 10/1/200128 TG extendosphere Potters silane treated29 TiO2 Millenium RCL-9 441,42430 TiO2 Millenium RL-11A31 TiO2 Millenium AT-1-GG32 TiO2 Millenium Tionia 188, best 486 1/1/200233 TiO2 Millenium AT-134 Recycled glass BASF 40835 TPU BASF 40836 Chopped Glass 40137 Volcanic Glass 38138 Silica Huber DPH60039 Silica Huber DP113 377?40 Safsil Amorphous silica particles

Different Particles TestedDifferent Particles Tested41 Navajo "42 Pumice "43 White Rubber Rouse large, WNR 490 1/21/200244 Silica Gel Millenium G-100 high oil absorption 2/26/200245 Silica Gel Millenium G-900 large size 2/26/200246 Silica Gel Millenium G-603 no surface treatment 2/26/200247 Silica Gel Millenium G-130 or 131 inorganic surface treatment 2/26/200248 Smaller rubber Rouse GF 170 (80 microns) 5/15/200249 Smaller microballoons Potters 150P6- finer particle size 5/15/2002

50 Glass beads 190 Potters 1.90 refractive index for aesthetics, 4.15 sp gr 559 5/15/200251 Fine cut glass beads GD02007- flake Potters 14 micron, 1.51 refractive index, 2.44 sp gr 22202 559 6/10/2002

52 Course cut glass beads uncoated, GD02006- flake Potters 32 micron, 1.51 refractive index, 2.44 sp gr 22203 559 6/10/200253 Course cut glass beads uncoated, GD02009 Potters 33 micron, 1.51 refractive index, 2.44 sp gr 22204 559 6/10/2002

54Course cut glass beads w/ methacryl coating, GD02010 Potters 30 micron, 1.51 refractive index, 2.44 sp gr 22205 559 6/10/2002

55 Course cut glass beads w/ epoxy coating, GD02011 Potters 35 micron, 1.51 refractive index, 2.44 sp gr 22206 559 6/10/2002

56Course cut glass beads w/ amino functional coating, GD02012 Potters 44 micron, 1.51 refractive index, 2.44 sp gr 22207 559 6/10/2002

57 Fine cut glass beads GD02013 Potters 21 micron, 1.51 refractive index, 2.44 sp gr 22208 559 6/10/200258 Glass beads with 1.55 refractive index, GD02014 Potters 32 micron, 1.55 refractive index, 2.63 sp gr 22209 559 6/10/200259 Glass beads with 1.6 refractive index, GD02008 Potters 29 micron, 1.61 refractive index, 2.53 sp gr 22211 559 6/10/200260 110P8 w/ water & oil repellant. GD 02005 Potters 11 micron, 1.51 refractive index, 1.1 sp gr 22210 559 6/10/200261 Dekorflake 325 gold Kish Company (Dan Grant) gold mica 6/10/200262 Dekorflake 175 gold Kish Company (Dan Grant) gold mica 6/10/200263 Dekorflake 325 Silver Kish Company (Dan Grant) silver mica 6/10/200264 Dekorflake 175 silver Kish Company (Dan Grant) silver mica 6/10/200265 Dekor Pigment B-9x-G (Gold) Kish Company (Dan Grant) 2.98 sp gr, lustre pigment, gold 6/10/2002

66 Dekor Pigment T-O-F Kish Company (Dan Grant)4.99 sp gr, micaceous iron oxid (hematite) lustre pigment 6/10/2002

67 Mica 5900-large mica for RIM test Polar (Dan Grant) phlogopite mica, 650 micron, 2.8 sp gr 6/10/200268 Mica 5100S Polar (Dan Grant) phlogopite mica, 50 micron, 2.8 sp gr 22213 6/10/200269 Mica 5040S Polar (Dan Grant) phlogopite mica, 20 micron, 2.8 sp gr 22214 6/10/200270 Calcium carbonate (81.4) Polar (Dan Grant) 2.85 sp gr,ultrafine, .2-.4 micron ave. 22215 6/10/200271 Calcium Sulfate (CAS-20-4) Polar (Dan Grant) 2.96 sp gr, 4.3 micron ave, 25 oil absorption, 22216 6/10/200272 Barite (1085) Polar (Dan Grant) 4.3 sp gr 6/10/200273 TiO2 Millenium Tionia 188 w/o RCL 1/10/200374 TiO2 Millenium DT 52 378 1/17/200375 TiO2 Millenium DT 51D 378 1/17/200376 TiO2 Millenium DT58 1/17/200377 TiO2 Millenium G5 378 1/17/200378 Palatinol 711P BASF plasticizer 22455 652 2/18/200379 Capture Milliken power to Clean up anything 7/25/2003

Shell SummaryShell Summary Shell determines friction-#1 variable Shell determines friction-#1 variable

in performancein performance Oil absorption increases frictionOil absorption increases friction Particles affect frictionParticles affect friction

• SizeSize• QuantityQuantity

Surface roughness- sanded vs. Surface roughness- sanded vs. polishedpolished

Track flare affects frictionTrack flare affects friction

Ball Design-Marketing GoalsBall Design-Marketing Goals

Develop a product line with different ball Develop a product line with different ball reactionsreactions

Aesthetics- multicolorAesthetics- multicolor CostCost New technology sells ballsNew technology sells balls

Cores Designed to Affect- 1)Flare Cores Designed to Affect- 1)Flare (Differential Rg) and 2)Roll (Rg) (Differential Rg) and 2)Roll (Rg)

Core Body- affects Rg, high density material, 2.0- 3.2 Sp. Gr.

Bottom Flip Block- affects Diff Rg, very dense, 2.0 to 3.5 Sp. Gr.

Top Flip Block- affects Diff Rg, very dense, 2.0 to 3.5 Sp. Gr.

Round Core- affects Rg, lower density, .7 to 1.2 Sp. Gr

Previous Brainstorm SessionPrevious Brainstorm Session with with BASF-June 2000BASF-June 2000

Brainstorm ideasBrainstorm ideas -Alumina base & gold base particles (item 1AIII) (check w/ Potters)-Alumina base & gold base particles (item 1AIII) (check w/ Potters) -Organic fillers (1B) hemp, corn starch-Organic fillers (1B) hemp, corn starch - 9-26-00 received wood fillers from American Wood Products- 9-26-00 received wood fillers from American Wood Products -Al HO3 Aluminum trihydroxide- Huber Granite Elite w/ ground acrylic (very -Al HO3 Aluminum trihydroxide- Huber Granite Elite w/ ground acrylic (very

gritty)gritty) -Wants to settle out (maybe can add to color unit with agitation)-Wants to settle out (maybe can add to color unit with agitation) -Harder then CC, maybe same as TEC-Harder then CC, maybe same as TEC -Have to add mat'l ourselves because settles out in shipment-Have to add mat'l ourselves because settles out in shipment -May work in conventional-May work in conventional -Need more to test -Need more to test -9-14-00 tested Granite Elite and Al Trihydroxide with good results again -9-14-00 tested Granite Elite and Al Trihydroxide with good results again

(ER328)(ER328) -Ground rubber-Ground rubber

• - 9-12-00 ordered 1.1 density white and red rubber from Rouse who - 9-12-00 ordered 1.1 density white and red rubber from Rouse who supplies material for bowling balls (got name from Carmen Salvino) 9-supplies material for bowling balls (got name from Carmen Salvino) 9-19-00 recieved material and wrote Ft19-00 recieved material and wrote Ft

bleeder (create wide foot print with hard particles)bleeder (create wide foot print with hard particles) -test bleeder (Sur D vs TEC)- hooked less then TEC by far-test bleeder (Sur D vs TEC)- hooked less then TEC by far

Previous Brainstorm SessionPrevious Brainstorm Session test heavy filled balls (30,40,50, 60%..... what filler)test heavy filled balls (30,40,50, 60%..... what filler) NMP etching (item 5D)NMP etching (item 5D) Make superball outer shellMake superball outer shell Hard particles (glass spheres, acrylic) and then sandblast (remove mat'l Hard particles (glass spheres, acrylic) and then sandblast (remove mat'l

around particle)(have diff. grit sand to blast with)around particle)(have diff. grit sand to blast with) Polyethylene powder into shell (.9 Sp Gr)Polyethylene powder into shell (.9 Sp Gr) 7-1/2" round core durability7-1/2" round core durability

• - Blended iso with TEC & 7-1/2" round core- results tec 8.5 drops, - Blended iso with TEC & 7-1/2" round core- results tec 8.5 drops, blended 10-12 drops, blended alone (without TEC) goes into 4' rangeblended 10-12 drops, blended alone (without TEC) goes into 4' range

M-10 iso with higher functionality for better physicals (2.2 functionality) M-10 iso with higher functionality for better physicals (2.2 functionality) (i.e. clear iso is more durable w/ 2.0 functionality)(i.e. clear iso is more durable w/ 2.0 functionality)

Microglass in 7-1/2" round coreMicroglass in 7-1/2" round core silane coated TEC particle w/ 7-1/2" round core- passed drop test easily silane coated TEC particle w/ 7-1/2" round core- passed drop test easily

(averaged 105 drops) and performed like TEC (ER331)(averaged 105 drops) and performed like TEC (ER331) Soft particlesSoft particles -Rubber (see above)-Rubber (see above) -Polyethylene powder-Polyethylene powder -Teflon-Teflon -Ground TPU-Ground TPU -Polyester polyol-Polyester polyol

Previous Brainstorm SessionPrevious Brainstorm Session Diatomaceous earthDiatomaceous earth Molecular sieves (absorb oil)Molecular sieves (absorb oil) Ground up carbon fiberGround up carbon fiber Foam urethane (may crush, inconsistent skin thickness, porosity issue, Foam urethane (may crush, inconsistent skin thickness, porosity issue,

etc.) but tryetc.) but try -elastomeric foam (may change foot print size)-elastomeric foam (may change foot print size) AestheticsAesthetics -pareachrome (BASF material)-pareachrome (BASF material) -Clear urethane-Clear urethane Test high oil absorbing material (from Huber)Test high oil absorbing material (from Huber) Aluminum trihydroxide -received test balls 9-13-00 Granite Elite material Aluminum trihydroxide -received test balls 9-13-00 Granite Elite material

was faster oil absorbing, as was microglass (ER328)was faster oil absorbing, as was microglass (ER328) Amorphous Aluminum silicate (Ft written 9-14-00)Amorphous Aluminum silicate (Ft written 9-14-00)

• -Zoethix (precipitated silica) was fastest oil absorbing (ER332)-Zoethix (precipitated silica) was fastest oil absorbing (ER332) ABC Sport Condition issueABC Sport Condition issue Huber Granite Elite is acrylic & would burn off & therefore, be non-Huber Granite Elite is acrylic & would burn off & therefore, be non-

detectabledetectable - 70299/70290? G-4 polyol with 80/20 blended iso at 1.05 index - 70299/70290? G-4 polyol with 80/20 blended iso at 1.05 index

Other Future IdeasOther Future Ideas

TEC Death IssueTEC Death IssueBall Path for Ebonite "Hook Again" Test-

Nick, Medium Oil, Prog. 1

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Icon (Initial) Icon(Game 55) Icon(Game 100) Icon(Hook Again)

This Graphs shows the results of the initial, middle, and end of testing before/after "Hook Again" was applied. As shown, increasing the number of games bowled led to decreased reaction down the lane. After treatment with Hook Again, recovery was stronger on the backend as compared to the 100th game as shown.

TEC Death Issue-CaptureTEC Death Issue-CaptureBall Path for Test-


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Icon(Soaker) Icon(Capture)

Appears that Capture restored some Hook Loss. Capture Icon definently grabbed sooner than soaker Icon and Hook Again Icon.

Hook Again vs. CaptureHook Again vs. CaptureBall Path for Ball Test-


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Icon(Soaker) (10/20/03) Icon(Hook Again) (10/21/03)Icon(100th Game) (10/19/2003) Icon(Capture) (10/23/03)

Icon(Soaker)- Felt slippery, did not recover on B/E, seemed to be less than Icon(100th Game), Skid past break point

Icon(100th Game)- Would not recover if pushed wide, less than fresh Icon

Icon(Capture)- Grabbed earlier than soaker and hook again Icon, seemed like more than Hook Again treatment, seemed more like fresh Icon

Effect from ColorEffect from ColorBall Path for White Shell Color Ball vs. Purple Shell Ball -

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Triumph- purple Triumph- white

AMF Triumph core with white color shell vs. Purple color shell- The bowler thought the white shell started hooking sooner, by the numbers the white one went longer and had more backend (5.4 degree entry angle vs 6.1 degree for white shell)

ABC Strike Percentage GraphABC Strike Percentage GraphBOWLER RESULTS

4 DEGREE ENTRY ANGLE

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Strikes 10 Pins

Idea strike location

10 Pin Location- approx.50% strikes & 50%-10

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Believe deflection determines

whether the ball strikes or leaves a

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EndEnd

vendor meeting

Documents

bowling ball history

bowling balls

shell summary shell

columbia ball performance

scoring event year

friction particles

columbia shell larger

different particles