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DRAG PREDICTION PROGRAM FOR NARROW HULLS (as short as 8' long--23 to 100 lb. wt.range --and up to 30' long-- for 1200 to 5200 lb. wt.rang

P&H Quest Copyright 2001 by Matt Broze Cv*1000 1.4154

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Proper column/Less than-- S/L

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Speed/Length^.5 ratio 0.39 0.39 0.52 0.65 0.78 0.78 0.91 1.04 1.17 1.17 1.30 1.43 1.56 1.69

Transom Extrap 0.90 -0.10 0.21 0.51 0.81 -0.19 0.11 0.41 0.71 -0.29 0.01 0.31 0.62 0.92

0.00 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000

0.01 1.016 1.016 1.016 1.017 1.017 1.018 1.018 1.018 1.018 1.009 1.000 0.983 0.962 0.930

0.02 1.018 1.018 1.018 1.018 1.019 1.019 1.019 1.019 1.020 1.011 1.001 0.987 0.962 0.930

0.03 1.028 1.028 1.028 1.028 1.030 1.030 1.030 1.031 1.030 1.019 1.008 0.987 0.974 0.950

0.04 1.046 1.046 1.046 1.046 1.047 1.047 1.046 1.046 1.043 1.024 1.008 0.993 0.976 0.960

0.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000

0.010 1.016 1.016 1.016 1.017 1.017 1.018 1.018 1.018 1.018 1.009 1.000 0.983 0.962 0.930

0.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000

Speed/Length^.5 ratio 0.39 ##### 0.52 0.65 0.78 ##### 0.91 1.04 1.17 ##### 1.30 1.43 1.56 1.69

Speed/Length^.5 ratio 0.39 0.52 0.65 0.78 0.91 1.04 1.17 1.30 1.43 1.56 1.69 1.82 1.95 2.08

autom. transfers to line 26 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000 1.000

In the above line the IF formulas differ by background color--don't change them globally across the line--by splitting them I widene

To add to the measurement & results archive below copy & paste line 9 and then copy line 15 (17 for plastic or fabric) click on the first cell of the line & from E

BOAT NAME LWL EWL BWL H W.S. Cp isp.lb. le Ix LCB At/Ax LOA BOA At--ft^2 Cx Cb

Speed in Knots 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8

Aquaterra Chinook EWL 16.02 14.5 2.076 0.411 22.488 0.49 311 7 15 0.53 0 16.23 2.05 0 0.73

Rtp (total for plastic) 0.57 0.97 1.50 2.09 2.85 3.95 5.91 8.96 12.15 15.49 18.78 23.07 26.73 29.25Chinook 1986 Towing Tank Resul 0.951 2.06 3.87 5.6 9.33

Nimbus Puffin EWL 15.75 15.2 1.902 0.43 22.522 0.532 321.3 7.8 10.24 0.51 0 16.23 1.9833 0 0.75

Rtp (total for plastic) 0.57 0.97 1.50 2.08 2.80 3.80 5.38 7.92 10.76 13.89 16.91 20.94 24.61 27.42

Puffin 1986 Towing Tank Results 0.95 2.15 3.98 5.30 7.62

Hydra Sea Runner EWL 15.75 1 5.25 1.91 0.4 23.26 0.49 304.5 8.69 10 0.51 0 17 1.967 0 0.81

Rtp (total for plastic) 0.58 0.99 1.53 2.13 2.88 3.90 5.71 8.66 11.68 15.08 18.33 22.79 26.85 29.93

Sea Runner 1986 Towing Tank R 0.97 2.18 3.88 5.20 8.07

Eddyline Wind Dancer E 15.67 15.2 2.083 0.349 24.898 0.555 315.5 7 18 0.51 0.032 15.67 2.0833 0.034 0.78

Rt (total resistance) 0.62 1.07 1.60 2.22 2.99 4.07 5.60 8.09 10.66 13.58 16.36 20.11 23.56 26.27Wind Dancer 1986 Towing Tank 1.06 2.26 4.09 5.50 8.04 These "tank test" results were used to try to fine tune this sprea

Mariner XL EWL 16.13 15.77 1.858 0.384 22.582 0.517 304 6 9 0.55 0 17.09 1 .958 0 0.8

Rt (total resistance) 0.56 0.95 1.43 1.99 2.67 3.58 4.99 7.39 10.83 13.06 15.97 19.95 23.71 26.75

Mariner XL1986 Towing Tank Re 0.95 1.98 3.47 4.99 7.48 These "tank test" results were used to try to fine tune this sprea

Seaward Navigator EWL 15.14 14.9 1.831 0.47 21.831 0.574 312.5 10.12 11.58 0.471 0 16.86 1.974 0 0.65

Rt (total resistance) 0.56 0.95 1.43 1.97 2.68 3.72 5.21 7.50 10.10 12.96 15.75 19.39 22.62 25.03

Dagger Magellan EWL@r 15.32 15.21 1.929 0.378 21.701 0.517 309.8 8.5 11.47 0.515 0 16.67 1.986 0 0.84

Rtp (total for plastic) 0.55 0.93 1.44 2.00 2.70 3.67 5.25 7.88 10.78 13.93 16.97 21.08 24.80 27.62

New Wave Shearwater 8 15.32 15.32 1.803 0.399 21.754 0.563 303.3 11.2 11.74 0.51 0 15.98 1.8854 0 0.74

Rt (total resistance) 0.55 0.94 1.41 1.95 2.62 3.59 4.96 7.12 9.56 12.30 15.00 18.55 21.81 24.37Eddyline Merlin XT 13.65 13.29 1.9 0.508 21.07 0.563 303 12.7 14.66 0.544 0 15.03 1.979 0 0.64

Rt (total resistance) 0.55 0.94 1.40 1.95 2.77 3.92 5.68 8.63 10.79 13.57 17.20 20.52 23.01 24.47

Dagger Sitka 16.48 15.71 1.794 0.364 23.081 0.554 308.8 8.147 10.43 0.505 0 17.94 1.8333 0 0.81

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Rt (total resistance) 0.58 0.98 1.48 2.04 2.74 3.70 5.04 7.18 10.35 12.50 15.29 18.98 22.47 25.31

Hop on Top 13.61 1 3.03 2.365 0.458 20.653 0 .491 3 00.8 9.14 15.04 0 .518 0 16 2.3438 0 0.65

Rt (total resistance) 0.54 0.92 1.37 1.93 2.69 4.04 6.44 10.17 12.74 16.12 20.58 24.49 27.20 28.52

Ocean K. Dawn Trakker 10.51 8.249 2.344 0.544 20.553 0.501 317 14.39 21.3 0.558 0 11.17 2.396 0 0.74

Rtp (total for plastic) 0.62 1.04 1.64 2.64 5.01 9.53 13.07 17.44 22.48 25.68 26.65 27.39 32.57 48.22

Orca by Pyranha 13.17 12.67 1.861 0.441 20.33 0.553 303 12.02 13.34 0.5 0 15.48 1.865 0 0.79

Rt (total resistance) 0.54 0.92 1.37 1.92 2.76 3.96 6.04 8.65 11.62 14.53 18.26 21.44 23.58 24.65

Boreal Alvik 15.69 14.79 1 .918 0 .441 21.861 0.503 304.5 10.33 16.88 0.47 0 16.93 1.979 0 0.71

Rt (total resistance) 0.55 0.94 1.41 1.97 2.67 3.68 5.48 8.34 11.39 14.75 17.94 22.20 25.90 28.53

Nimbus Telkwa 15.52 14.44 1.902 0.427 21.839 0.51 312.2 9.716 10.09 0.515 0 18.33 2.021 0 0.76

Rt (total resistance) 0.56 0.95 1.42 1.98 2.69 3.72 5.47 8.38 11.34 14.57 17.64 21.64 25.02 27.33

Prijon Seayak 14.25 13.49 1.929 0.429 21.923 0.591 317 10.33 13.94 0.502 0 15.93 2.1875 0 0.71

Rtp (total for plastic) 0.58 0.99 1.51 2.09 3.01 4.36 6.01 8.83 11.96 14.09 17.89 21.43 24.17 25.85

Easy Rider Eskimo 19 17.01 16.7 1.636 0.347 23.834 0.627 315.3 8.029 10.54 0.522 0 18.33 1.7188 0 0.81

Rt (total resistance) 0.59 1.00 1.51 2.10 2.79 3.85 5.30 7.03 9.30 11.91 14.72 17.35 20.76 23.80

Eddyline Falcon 18 16.08 15.92 1.673 0.473 22.135 0.54 299.2 9.866 9.66 0.51 0 17.98 1.742 0 0.68

Rt (total resistance) 0.55 0.94 1.41 1.95 2.61 3.50 4.81 6.96 10.06 12.19 14.91 18.59 22.11 25.01

NWK Pursuit 15.49 15.14 1.759 0.443 21.59 0.535 309 7.401 10.39 0.53 0 17.44 1.806 0 0.75

Rt (total resistance) 0.54 0.93 1.39 1.93 2.60 3.54 5.02 7.43 10.12 13.05 15.90 19.68 23.11 25.70

Boreal Beluga (double) 19.16 18.37 2.332 0.413 32.998 0.57 481.8 11.36 11.74 0.495 0 20.92 2.385 0 0.72

Rt (total resistance) 0.79 1.35 2.04 2.85 3.74 4.92 6.50 8.70 11.84 16.24 18.96 22.67 27.64 32.45

Futura II , Spt.Tour. 200lb 18.32 17.52 1.583 0.336 22.868 0.553 253.9 8.982 8.32 0.508 0 18.86 1.6667 0 0.74

Rt (total resistance) 0.55 0.94 1.41 1.97 2.60 3.41 4.48 6.00 8.28 10.67 13.18 15.63 18.84 21.84

Futura II, Spt.T. est.250lb 18.38 17.52 1.62 0.4 24 0.57 303.9 8.982 8.32 0.508 0 18.86 1.6667 0 0.75

Rt (total resistance) 0.58 0.99 1.50 2.08 2.75 3.63 4.80 6.54 8.88 11.38 14.05 16.67 20.12 23.33

Futura II, Spt.T. 250lb 18.37 17.52 1.607 0.375 24.481 0.57 303.9 8.982 8.69 0.508 0 18.86 1.6667 0 0.75

Rt (total resistance) 0.59 1.01 1.52 2.12 2.80 3.69 4.88 6.63 8.99 11.51 14.20 16.85 20.32 23.56

Prijon Yukon Eski 250 14.42 14.05 1.794 0.412 20.618 0.569 286.2 9.716 13.04 0.497 0 16.41 1.8854 0 0.74 0.42Rt (total resistance) 0.53 0.91 1.36 1.88 2.61 3.69 5.14 7.65 10.33 12.31 15.76 19.11 21.86 23.70

Pygmy Coho Expedit ion 16.08 15.68 1.887 0.386 21.981 0.48 288.6 8.467 8.8 0.508 0 17.53 1.9479 0 0.8 0.39

Rt (total resistance) 0.54 0.92 1.39 1.94 2.61 3.52 5.09 7.94 11.62 13.98 17.13 21.52 25.61 28.83

PWS Intrepid 16.05 15.1 1 .937 0.356 22.689 0.51 3 02.3 7.579 10.8 0 .513 0 1 7.45 1.9323 0 0.84 0.43

Rt (total resistance) 0.57 0.97 1.46 2.02 2.73 3.72 5.37 8.07 10.96 14.19 17.27 21.41 25.13 27.92

WS Epic 16.3 15.59 1.73 0.431 23.173 0.57 318.5 8.102 11.46 0.505 0 17.16 1.8229 0 0.72 0.41

Rtp (total for plastic) 0.58 0.99 1.54 2.13 2.86 3.90 5.33 7.51 10.66 12.79 15.60 19.30 22.78 25.60

CD Gulfstream 14.86 14.5 1.915 0.437 21.134 0.544 305.3 7.137 10.54 0.509 0 16.88 1.7708 0 0.7 0.38

Rt (total resistance) 0.54 0.92 1.38 1.91 2.61 3.62 5.11 7.70 10.41 13.39 16.21 19.86 22.99 25.18

Nimbus Kap Farvel 14.62 12.53 1.762 0.525 19.668 0.425 298.6 7.207 10.54 0.539 0 16.85 1.7708 0 0.81 0.35Rt (total resistance) 0.52 0.88 1.32 1.87 2.64 4.12 6.79 9.65 13.13 16.49 20.83 24.42 26.66 27.58

Seaward Endeavor 15.37 14.52 1.771 0.454 20.985 0.522 307.5 7.844 9.47 0.489 0 17.45 1.8646 0 0.76 0.4

Rt (total resistance) 0.53 0.91 1.37 1.90 2.58 3.56 5.18 7.92 10.80 13.82 16.75 20.58 23.84 26.10

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Mariner Elan 14.46 13.94 1.72 0.411 20.94 0.562 297 9.05 13.51 0.524 0 16.11 1.7917 0 0.81 0.45

Rt (total resistance) 0.54 0.92 1.38 1.91 2.65 3.73 5.26 7.88 10.63 12.64 16.16 19.55 22.31 24.12

CLC Chesapeake 17 15.82 15.71 1.819 0.392 22.881 0.515 301.5 9.55 11.51 0.506 0 16.96 1.99 0 0.81 0.42

Rt (total resistance) 0.57 0.97 1.45 2.02 2.71 3.64 5.10 7.58 11.10 13.38 16.35 20.41 24.23 27.29

Prijon Odyssee Dbl 14.35 14.42 2.075 0.497 26.478 0.603 478.7 12.86 17.25 0.512 0 15.91 2.1354 0 0.84 0.51

Rtp (total for plastic) 0.69 1.18 1.82 2.51 3.55 5.31 7.21 10.18 13.76 17.70 21.40 26.20 30.28 33.10

Seaward Passat Dbl. 19.99 20.13 2.231 0.395 34.011 0.598 491.3 11.14 13.7 0.489 0 21.98 2.219 0 0.73 0.44

Rt (total resistance) 0.80 1.37 2.06 2.88 3.78 4.90 6.48 8.46 10.98 14.44 17.89 21.69 25.37 30.22

Nautiraid Greenland 15.4 15.4 2.207 0.393 25.062 0.573 308 8.082 14.81 0.543 0 16.55 2.269 0 0.63 0.36

Rtp (total for plastic) 0.63 1.07 1.66 2.30 3.09 4.20 5.73 8.00 10.58 13.48 16.39 20.15 23.67 26.51

Perception Eclipse (Seal 14.96 14.96 1.755 0.403 22.167 0.633 318.3 10.67 15.44 0.527 0 17.1 1.8646 0 0.74 0.47

Rtp (total for plastic) 0.57 0.97 1.50 2.07 2.85 4.19 5.76 7.62 10.02 12.84 15.58 19.12 22.31 24.74

KS Artisan Millenium (Ka 15.74 15.27 1.792 0.436 21.506 0.51 307.3 7.374 10.49 0.47 0 18.24 1.8385 0 0.77 0.39

Rt (total resistance) 0.54 0.92 1.38 1.92 2.59 3.54 5.11 7.76 10.60 13.81 16.86 21.02 24.79 27.65

Ocean Kayak's Cabo Dbl 15.16 15.03 2.358 0.601 31.155 0.566 482.5 13.76 14.18 0.53 0 16.29 2.5 0 0.62 0.35

Rtp (total for plastic) 0.79 1.35 2.08 2.88 3.93 5.50 7.49 10.69 14.38 18.63 22.78 28.06 32.83 36.44

Pygmy Arctic Tern 15.26 14.72 1.831 0.388 22.062 0.519 293.4 7.273 13.19 0.525 0 16.96 1.875 0 0.81 0.42

Rt (total resistance) 0.56 0.95 1.42 1.98 2.67 3.66 5.31 7.98 10.90 13.95 16.91 20.82 24.23 26.67

Boreal Ellesmere 15.21 14.52 1.708 0.429 21.256 0.55 303.8 9.63 10.26 0.485 0 17.03 1.8125 0 0.78 0.43

Rt (total resistance) 0.54 0.93 1.39 1.92 2.63 3.64 5.11 7.65 10.31 13.30 16.10 19.71 22.82 25.01

Heritage Expedition LP 15.96 15.81 1.93 0.347 24.171 0.531 330 8.54 12.66 0.529 0 17 2.2396 0 0.91 0.48

Rtp (total for plastic) 0.60 1.03 1.59 2.21 2.95 3.96 5.47 7.92 11.43 13.82 16.88 21.02 24.95 28.17

Avalon Viviane 17.66 17.14 1.779 0.484 23.175 0.496 308.3 6.341 8.07 0.463 0 19.03 1.792 0 0.64 0.32

Rt (total resistance) 0.56 0.96 1.44 2.01 2.68 3.53 4.80 7.19 10.26 13.38 16.72 19.90 24.22 28.08

Seaward Naia Dbl. 16.76 16.22 2.378 0.521 30.268 0.561 494.3 10.54 12.73 0.466 0 18.01 2.4271 0 0.66 0.37

Rt (total resistance) 0.75 1.29 1.94 2.68 3.60 4.97 6.70 9.37 13.59 17.66 20.64 25.90 31.00 35.30

Current Designs Extrem 16.72 16.41 1.759 0.399 22.024 0.526 301.8 8.85 8.2 0.485 0 18.78 1.8127 0 0.77 0.4

Rt (total resistance) 0.54 0.93 1.39 1.94 2.58 3.43 4.70 6.87 9.95 12.96 14.96 18.81 22.59 25.81

Prijon Kodiak 15.73 14.79 1.862 0.412 22.438 0.528 312.8 8.14 10.95 0.512 0 16.64 1.9167 0 0.77 0.41

Rtp (total for plastic) 0.57 0.97 1.50 2.08 2.82 3.85 5.44 8.11 10.96 14.03 16.99 20.88 24.32 26.84

mismeasured Cobra Exp 16.22 15.49 1.979 0.406 23.481 0.521 313 9.01 11.39 0.523 0 17.39 1.9167 0 0.72 0.38

Rtp (total for plastic) 0.59 1.00 1.55 2.15 2.89 3.88 5.44 8.02 11.77 14.09 17.17 21.34 25.21 28.27

Cobra Expedition 16.32 15.13 1.934 0.396 23.346 0.515 313 8.74 10.5 0.503 0 17.39 1.9167 0 0.76 0.39

Rtp (total for plastic) 0.59 1.00 1.55 2.15 2.90 3.93 5.62 8.38 11.39 14.68 17.86 22.11 25.95 28.87

Eddyline Night Hawk (M 14.72 14.57 1.748 0.453 21.136 0.57 294.5 11.8 14.23 0.563 0 15.78 1.8438 0 0.69 0.4

Rt (total resistance) 0.54 0.92 1.38 1.91 2.60 3.61 5.07 7.35 9.86 12.57 15.18 18.56 21.49 23.60

Folbot 14.24 14.24 2.068 0.53 23.183 0.604 307.7 13.05 14.23 0.525 0 15.08 2.3333 0 0.51 0.31

Rtp (total for plastic) 0.60 1.02 1.57 2.17 3.05 4.44 5.95 8.35 11.14 14.13 16.98 20.59 23.65 25.81

Ocean Kayak's Manta 13.62 13.51 2.336 0.471 24.564 0.531 328.5 11.39 16.86 0.538 0 16.1 2.365 0 0.65 0.34

Rtp (total for plastic) 0.64 1.09 1.67 2.32 3.21 4.48 6.61 10.05 13.50 15.92 20.23 24.25 27.37 29.29

Boreal Inukshuk 15.45 15.16 1.928 0.442 22.06 0.499 312.8 10.08 11 0.469 0 16.93 1.9375 0 0.74 0.37

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Rtp (total for plastic) 0.56 0.95 1.46 2.04 2.76 3.76 5.53 8.40 11.42 14.87 18.17 22.62 26.62 29.60

Feathercraft K-1 14.87 14.87 1.963 0.423 23.853 0.579 304 10.38 12.63 0.483 0 16.38 2.1563 0 0.66 0.38

Rtp (total for plastic) 0.61 1.03 1.60 2.21 2.99 4.15 5.73 8.07 10.75 13.71 16.62 20.35 23.69 26.23

NWK Synergy 15.21 14.66 1.839 0.425 22.012 0.51 307.2 8.438 11.36 0.536 0 17.19 1.9271 0 0.79 0.4

Rt (total resistance) 0.56 0.95 1.42 1.98 2.68 3.69 5.35 8.12 10.95 14.10 17.11 21.04 24.46 26.88

NC 17 Daytripper 15.55 15.19 1.93 0.445 21.555 0.449 294.2 8.612 9.09 0.476 0 17.19 2.0417 0 0.77 0.34

Rt (total resistance) 0.54 0.91 1.37 1.92 2.60 3.55 5.33 8.35 11.30 14.73 18.00 22.49 26.51 29.49

Prijon Calabria 13.33 13.21 2.07 0.414 20.787 0.531 304 11.41 14.1 0.501 0 14.5 2.0833 0 0.78 0.42

Rtp (total for plastic) 0.55 0.93 1.43 1.99 2.77 3.92 5.92 9.17 11.51 14.53 18.49 22.12 24.83 26.38

Point 65 N 14.89 14.69 1.749 0.449 21.378 0.543 304.8 9.168 11.34 0.519 0 16.67 1.8333 0 0.75 0.41

Rt (total resistance) 0.54 0.93 1.39 1.92 2.62 3.61 5.07 7.57 10.22 13.13 15.93 19.56 22.73 25.02

Nelo Moskito FW2000 17.97 17.97 1.298 0.441 22.359 0.619 290.3 8.652 9.72 0.503 0 18.44 1.4479 0 0.71 0.44

Rt (total resistance) 0.54 0.92 1.39 1.93 2.55 3.40 4.62 6.12 7.91 10.08 12.59 15.01 18.17 21.19

Crosswind Dbl. 16.75 16.65 2.475 0.435 31.263 0.526 499.5 14.83 13.33 0.487 0 18.63 2.5104 0 0.82 0.43

Rtp (total for plastic) 0.77 1.32 2.04 2.84 3.79 5.05 6.83 9.74 14.16 18.43 22.73 26.88 32.37 37.16

WS Cape Horn 17 Pro 15.61 15.3 1.819 0.431 23.941 0.532 315.5 9.352 10.8 0.509 0 17.23 1.9167 0 0.76 0.4

Rt (total resistance) 0.60 1.02 1.54 2.13 2.86 3.86 5.42 7.93 10.73 13.83 16.84 20.85 24.52 27.38

Necky Elaho 13.75 13.69 1.798 0.444 20.044 0.523 312 10.35 11.73 0.502 0 15.81 1.8854 0 0.85 0.44

Rtp (total for plastic) 0.52 0.89 1.37 1.91 2.63 3.71 5.62 8.74 11.86 14.04 18.03 21.78 24.70 26.45

KajakSport Viking Exp. 14.94 14.89 1.783 0.472 21.665 0.522 302.7 8.896 10.39 0.487 0 16.33 1.8125 0 0.72 0.38

Rt (total resistance) 0.55 0.93 1.40 1.95 2.63 3.59 5.20 7.84 10.74 13.81 16.79 20.75 24.24 26.79

Seaward Aurora 15.07 14.73 2.012 0.427 21.91 0.501 304.3 11.11 10.39 0.471 0 17.55 2.0417 0 0.73 0.37

Rt (total resistance) 0.55 0.94 1.42 1.97 2.68 3.70 5.54 8.45 11.54 14.94 18.17 22.47 26.19 28.80

Seaward Chilco 16.62 16.2 1.781 0.43 22.816 0.524 307.3 7.792 8.41 0.489 0 18.27 1.8229 0 0.72 0.38

Rt (total resistance) 0.56 0.96 1.44 2.01 2.68 3.57 4.91 7.19 10.45 13.57 15.61 19.58 23.43 26.66

Fujita PE-1-500 (folding) 15.23 15.23 2.085 0.38 24.421 0.532 295.3 11.55 12.78 0.471 0 16.48 2.0833 0 0.72 0.38

Rtp (total for plastic) 0.61 1.05 1.62 2.24 3.01 4.07 5.70 8.27 11.14 14.31 17.38 21.44 25.17 28.07

Fujita PE-1-500 (folding) 15.23 15.23 2.085 0.38 24.421 0.532 295.3 11.55 12.78 0.488 0 16.48 2.0833 0 0.72 0.38

Rtp (total for plastic) 0.61 1.05 1.62 2.24 3.01 4.06 5.68 8.25 11.10 14.24 17.30 21.34 25.04 27.93

Aqua Dynamic Thelon 17 16.33 15.92 2.018 0.364 24.124 0.528 314.3 9.894 11.15 0.499 0 16.96 2.0833 0 0.78 0.41

Rt (total resistance) 0.60 1.02 1.53 2.13 2.84 3.80 5.26 7.66 11.08 13.42 16.41 20.49 24.38 27.58

65 Degrees North (2) 15.18 15.04 1.743 0.427 22.192 0.546 315.8 8.937 11.82 0.504 0 16.67 1.8333 0 0.8 0.44

Rt (total resistance) 0.56 0.96 1.44 1.99 2.69 3.66 5.13 7.56 10.28 13.25 16.14 19.93 23.34 25.90

CD Andromeda 14.2 14.07 1.699 0.504 21.02 0.524 296.8 8.82 9.96 0.51 0 17.27 1.7188 0 0.73 0.38

Rt (total resistance) 0.54 0.92 1.38 1.91 2.61 3.63 5.33 8.16 11.06 14.03 16.87 20.52 23.50 25.46

Pygmy Arctic Tern 14 12.74 12.53 1.868 0.44 19.647 0.509 289 9.955 12.29 0.521 0 14.02 23 0 0.85 0.43

Rt (total resistance) 0.52 0.89 1.32 1.86 2.61 3.92 6.32 9.07 12.25 15.33 19.29 22.59 24.69 25.63

Ally 560 Folding Kayak 17.74 17.74 1.803 0.434 25.935 0.576 303.8 6.679 12.29 0.542 0 18.25 1.9271 0 0.59 0.34

Rtp (total for plastic) 0.63 1.07 1.66 2.31 3.05 4.01 5.27 7.05 9.42 11.97 14.74 17.50 21.07 24.46

Feathercraft Java 14.32 14.32 2.18 0.415 26.662 0.692 287.3 19.04 12.29 0.498 0 15.42 2.2917 0 0.5 0.35

Rtp (total for plastic) 0.69 1.17 1.80 2.49 3.50 5.20 6.86 9.06 11.74 14.77 17.70 21.37 24.56 26.92

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Ocean Kayak Pro-SI 109 10.08 10.08 2.098 0.498 18.561 0.624 303.3 29.18 24.87 0.519 0 10.83 2.1771 0 0.72 0.45

Rtp (total for plastic) 0.55 0.93 1.39 2.26 3.82 5.49 7.98 11.24 14.34 18.07 20.79 22.10 22.67 24.55

CD Squamish 13.74 13.65 1.882 0.483 20.384 0.505 301.5 10.15 14.28 0.492 0 15.52 1.9167 0 0.75 0.38

Rtp (total for plastic) 0.53 0.90 1.39 1.94 2.67 3.82 5.85 9.11 12.33 14.59 18.75 22.65 25.66 27.44

P&H Quest 14.95 14.76 1.784 0.477 21.511 0.513 302.5 8.687 9.32 0.493 0 17.58 1.8333 0 0.73 0.37

Rt (total resistance) 0.54 0.93 1.39 1.94 2.62 3.61 5.30 8.04 10.99 14.16 17.20 21.24 24.76 27.27

BOAT NAME LWL EWL BWL H W.S. Cp Disp.lb. le Ix LCB At/Ax LOA BOA At--ft^2 Cx Cb

Total Resistance at 2 knots 3 knots 4 knots 4.5 knot5 knots 6 knots 7 knots 8 knots

if Cp in row G of the archives is exactly .48 it may be because the calculations (at that tim

the actual Cp can be read in cell R12 (if actual Cp is higher than .64 the calculation auto

To add to the measurement & results archive above copy & paste line 9 and then copy line 15 (17 for plastic or fabric) click on the first cell of the line & from E

Alternately, copy and paste (or insert) the results to the archive and then from the EDIT menu click "paste special" & then "paste values", (the formatting is ta

LWL=Waterline length (ft), EWL=Effective WL (ft), BWL=WL beam (ft), H=draft (ft), W.S.=Wetted surface (sq.ft), Cp=Prismatic coef., Disp.=Displacement (lb.

LCB=Longitudinal center of buoyancy, At/Ax=Area of immersed transom divided by area of immersed midship, LOA & BOA=Length & Beam Overall (ft), Cx=

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)(in Cv*1000 range .7 to 3.0, best for Cv*1000=1 to 2, see G2 for Cv*1000)(for 300 lb displacement 11.5 to 19' EWL)(Cp range .42--.64)

ection uses diff above .48 for diff. below

or .64 will display, results below Cp .48 are extrapolated using trend from the equal range above .48)(See S10--How to measure)

rams est. based on other data from line 9) onto line 9 or make your own best estimate

Little or Est. or meas bow (V9), stern (W9) WL

No flare=0 overhang @ finer = -1, - fill in as many yellow shaded items as you can and calculations will be made on line 10 (& R12) or suggestion

Flare=1 bow (T9) & average = 0

V.Flare=2 stern (U9)(in incheblunter = 1, 21 20.28 11.43 -1 -1

How to meas. hull, BOA--calipers or two carpenter squares, LWL & BWL--in water--load to weight, check with level, mark WL @ bow, stern, & s

Cb=Cp To est. LCB divide length from bow WL to the widest point by LWL. To meas. Cx cut cardboard to fit hull at widest WL, draw that pattern on gra

0.5125 Cp=Cb/Cx (=R12)(or divide total disp.--in lb.--by 64 and divide that by Cx x LWL x BWL x H)(or put all the data in line 9 & Cp=G10)(If you know

P11)--or measure it (see directions)--or estimate it--it ranges from 0 to 1, ( flat-V=.5, semi-circle=.785 & rectangular=1)

Calculate EWL by plotting the curve of areas and adding the bow WL curve to it. A line from the peak of the curve tangent to the "belly" in the bo

(Instructions for calculating or estimating "le" & "lx" should be added here)(Get method from Sea Kayaker)(est. of EWL needs work to make it cl

r remov Values for EWL, BWL, W.S, Cp., Disp.lb., le, LCB, & At/Ax are required. Those before "le" have the most effect, if you have no clue: for "le" use

rmula used in Gerritsma's SNAME paper of 1/28/93, F11 is WS formula I try to match Nautilus numbers with, neither appears better than the other but b

ts

1000

the same #s on this line with .005*sin(radians($H$8))*(4*J18)^2

ayak friction correction (line 36)(except @ 2 knots)

rmula above 1.4 & 1.6 S/L ratios (probably should not be used when Cv is over 2.0 or made to operate only at a higher S/L ratio)

rguement, this is to bend the curve back at S/L^.5 above 1.4 to follow Gertler's curves better

ion drops as the wetted area drops as the s/l ratio goes beyond 2.0, but nothing here reflects that since wetted surface is fixed.

above 2 knots

r removed from this poly friction formula intentionally)

Table 1A (for 1.0x10^-3 Cv @ B/H=3.75)

Speed/ 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7

0

5

10

15

20

25

30

1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 6.5 7.0 7.5 8.0

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.48 1.00 1.00 1.00 1.00 1.01 1.05 1.05 1.13 1.62 1.61 1.55 1.54 1.52 1.52

1.8 .49 1.06 1.06 1.06 1.05 1.00 1.03 1.02 1.15 1.56 1.51 1.49 1.47 1.45 1.45

.50 1.10 1.10 1.10 1.10 1.04 1.04 1.03 1.14 1.45 1.41 1.40 1.41 1.41 1.41

interpolatio .51 1.15 1.15 1.15 1.16 1.06 1.02 1.07 1.07 1.36 1.35 1.36 1.36 1.34 1.34

.52 1.17 1.17 1.17 1.15 1.05 1.00 1.00 1.04 1.25 1.28 1.32 1.30 1.29 1.29

.53 1.25 1.25 1.25 1.25 1.05 1.01 1.01 1.06 1.23 1.22 1.24 1.24 1.23 1.23

.54 1.23 1.23 1.23 1.23 1.00 1.02 1.02 1.01 1.16 1.16 1.19 1.19 1.18 1.18

.55 1.27 1.27 1.27 1.25 1.01 1.02 1.03 1.00 1.00 1.09 1.13 1.13 1.13 1.13

.56 1.32 1.32 1.32 1.31 1.05 1.03 1.10 1.03 1.10 1.07 1.09 1.09 1.09 1.09

.57 1.35 1.35 1.35 1.33 1.05 1.08 1.15 1.06 1.11 1.06 1.07 1.06 1.06 1.06

.58 1.33 1.33 1.33 1.33 1.02 1.06 1.20 1.10 1.11 1.05 1.05 1.04 1.05 1.05

.59 1.38 1.38 1.38 1.36 1.06 1.09 1.30 1.21 1.12 1.03 1.03 1.03 1.04 1.04

.60 1.40 1.40 1.40 1.34 1.08 1.13 1.38 1.28 1.09 1.02 1.00 1.00 1.02 1.02

.61 1.42 1.42 1.42 1.38 1.12 1.18 1.48 1.39 1.19 1.02 1.01 1.03 1.03 1.03

.62 1.42 1.42 1.42 1.39 1.07 1.17 1.55 1.43 1.20 1.00 1.00 1.02 1.03 1.03

.63 1.53 1.53 1.53 1.51 1.18 1.26 1.72 1.54 1.27 1.01 1.00 1.01 1.02 1.02

.64 1.48 1.48 1.48 1.49 1.22 1.27 1.80 1.63 1.32 1.02 1.00 1.00 1.00 1.00

Table 1B (for 1.5x10^-3 Cv @ B/H=3.75)Speed/ 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7

.48 1.00 1.00 1.00 1.00 1.00 1.08 1.05 1.20 1.45 1.44 1.42 1.43 1.40 1.40

.49 1.05 1.05 1.05 1.04 1.00 1.07 1.01 1.18 1.34 1.38 1.36 1.37 1.32 1.32

.50 1.09 1.09 1.09 1.08 1.01 1.06 1.02 1.11 1.26 1.29 1.30 1.30 1.28 1.28

Finds the C.51 1.14 1.14 1.14 1.11 1.03 1.03 1.02 1.09 1.17 1.24 1.24 1.25 1.24 1.24

ce above .4.52 1.15 1.15 1.15 1.13 1.02 1.00 1.00 1.01 1.12 1.19 1.22 1.22 1.20 1.20

.53 1.21 1.21 1.21 1.17 1.01 1.02 1.03 1.01 1.06 1.14 1.16 1.16 1.15 1.15

.54 1.23 1.23 1.23 1.17 1.00 1.05 1.07 1.01 1.01 1.11 1.14 1.13 1.13 1.13

e IF formul .55 1.25 1.25 1.25 1.19 1.00 1.06 1.12 1.00 1.00 1.08 1.08 1.09 1.10 1.10

the range .56 1.29 1.29 1.29 1.21 1.01 1.07 1.21 1.07 1.00 1.06 1.07 1.07 1.07 1.07.57 1.30 1.30 1.30 1.24 1.03 1.13 1.29 1.11 1.01 1.05 1.06 1.06 1.06 1.06

.58 1.29 1.29 1.29 1.24 1.02 1.14 1.35 1.22 1.02 1.02 1.04 1.04 1.05 1.05

.59 1.32 1.32 1.32 1.27 1.02 1.17 1.50 1.31 1.04 1.00 1.03 1.04 1.04 1.04

.60 1.38 1.38 1.38 1.31 1.05 1.24 1.59 1.39 1.07 1.02 1.03 1.03 1.03 1.03

.61 1.38 1.38 1.38 1.33 1.09 1.28 1.74 1.58 1.12 1.02 1.02 1.03 1.02 1.02

.62 1.36 1.36 1.36 1.33 1.05 1.30 1.87 1.64 1.15 1.01 1.01 1.01 1.02 1.02

.63 1.48 1.48 1.48 1.41 1.13 1.39 2.06 1.74 1.20 1.02 1.00 1.01 1.01 1.01

.64 1.45 1.45 1.45 1.40 1.18 1.43 2.17 1.89 1.29 1.04 1.00 1.00 1.00 1.00

Table 1C (for 2.0x10^-3 Cv @ B/H=3.75)

Speed/ 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7.48 1.00 1.00 1.00 1.00 1.01 1.10 1.07 1.27 1.43 1.44 1.38 1.39 1.41 1.41

.49 1.06 1.06 1.06 1.01 1.00 1.05 1.02 1.20 1.31 1.34 1.34 1.33 1.31 1.31

.50 1.09 1.09 1.09 1.06 1.02 1.05 1.02 1.13 1.23 1.31 1.29 1.28 1.29 1.29

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.51 1.14 1.14 1.14 1.06 1.03 1.02 1.00 1.08 1.16 1.25 1.23 1.23 1.23 1.23

.52 1.18 1.18 1.18 1.09 1.01 1.00 1.02 1.00 1.11 1.19 1.20 1.19 1.18 1.18

.53 1.20 1.20 1.20 1.10 1.00 1.01 1.07 1.01 1.06 1.14 1.15 1.15 1.14 1.14

.54 1.23 1.23 1.23 1.11 1.00 1.04 1.14 1.02 1.05 1.12 1.12 1.12 1.12 1.12

.55 1.23 1.23 1.23 1.15 1.00 1.07 1.20 1.04 1.00 1.08 1.08 1.09 1.11 1.11

.56 1.29 1.29 1.29 1.15 1.00 1.11 1.32 1.09 1.01 1.05 1.07 1.07 1.10 1.10

.57 1.30 1.30 1.30 1.18 1.03 1.15 1.41 1.18 1.01 1.03 1.04 1.06 1.08 1.08

.58 1.26 1.26 1.26 1.19 1.00 1.18 1.48 1.29 1.00 1.01 1.04 1.05 1.06 1.06

.59 1.36 1.36 1.36 1.22 1.02 1.21 1.66 1.36 1.06 1.00 1.02 1.04 1.04 1.04

.60 1.37 1.37 1.37 1.27 1.05 1.29 1.79 1.52 1.11 1.02 1.02 1.03 1.03 1.03

.61 1.40 1.40 1.40 1.28 1.09 1.34 1.97 1.65 1.14 1.01 1.00 1.02 1.02 1.02

.62 1.38 1.38 1.38 1.25 1.06 1.38 2.13 1.67 1.20 1.01 1.00 1.01 1.01 1.01

.63 1.48 1.48 1.48 1.34 1.12 1.46 2.34 1.91 1.25 1.03 1.00 1.00 1.01 1.01

the range .64 1.47 1.47 1.47 1.32 1.17 1.51 2.47 2.08 1.33 1.07 1.00 1.00 1.00 1.00

DIT menu click "paste special" & "paste values" then "paste special" & "paste formatting"

V.Flare=2 stern (S9)(in inche blunter = 1, 2

Table 2 (Tables 1A, 1B, & 1C interpolated for the actual Cv of the hull)

0 Speed/ 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6 1.7.48 1.000 #### ### #### ### ### ### ### ### ### #### ### ### ####

.49 1.055 #### ### #### ### ### ### ### ### ### #### ### ### ####

1 .50 1.095 #### ### #### ### ### ### ### ### ### #### ### ### ####

.51 1.145 #### ### #### ### ### ### ### ### ### #### ### ### ####

.52 1.161 #### ### #### ### ### ### ### ### ### #### ### ### ####

0 .53 1.231 #### ### #### ### ### ### ### ### ### #### ### ### ####

.54 1.230 #### ### #### ### ### ### ### ### ### #### ### ### ####

.55 1.261 #### ### #### ### ### ### ### ### ### #### ### ### ####

0 .56 1.306 #### ### #### ### ### ### ### ### ### #### ### ### ####

.57 1.327 #### ### #### ### ### ### ### ### ### #### ### ### ####sheet's for .58 1.311 #### ### #### ### ### ### ### ### ### #### ### ### ####

2 .59 1.352 #### ### #### ### ### ### ### ### ### #### ### ### ####

.60 1.391 #### ### #### ### ### ### ### ### ### #### ### ### ####

sheet's for .61 1.401 #### ### #### ### ### ### ### ### ### #### ### ### ####

2 .62 1.392 #### ### #### ### ### ### ### ### ### #### ### ### ####

.63 1.507 #### ### #### ### ### ### ### ### ### #### ### ### ####

1 .64 1.466 #### ### #### ### ### ### ### ### ### #### ### ### ####

0

1

0

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2

0

0

0

0

0

0

1

1

1

0

0

0

2 6 4 1 1

1 12 6 -1 -1

0 10.34 6.35 -1 -1

1 11.48 0 0 0

0 16.18 0 -1 -1

0 11.9 0 -2 -2

0 18.16 1 -1 -1

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1 15.56 3.06 1 1

1 10.03 2.83 0 0

1 12.08 6.654 2 2

1 24.13 6.654 1 1

2 9.024 2 1 1

1 15.75 9.9 2 2

0 21 8.96 0 0

0 5.76 5.83 2 2

1 14.41 0.384 -1 0

0 16.03 5.775 0 0

2 10.79 4.96 1 1

0 12.66 3.4 -1 -2

0 16.19 0.148 1 0

1 23.94 0.0168 -1 -1

1 8.8 2 0 0

0 11.33 2.4 0 0

0 11.08 2.3 0 0

1 7.8 3 1 1

1 4.82 4.08 2 2

0 27 4.6 0 1

0 13.46 3.88 0 0

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2 14.72 3.88 1 1

1 19.04 4.45 0 0

1 15.07 4.25 -1 -1

0 9.7 4.4 0 0

0 10.4 10.8 0 0

1 5.34 0 2 2

0 16.26 5.75 0 0

1 16.31 3.1 0 0

1 19.33 4.72 0 0

0 10.1 6.7 0 0

0 28.5 0.5 0 0

0 19.51 0 -1 -1

1 6.35 8.56 1 1

1 6.35 8.56 1 1

0 6.132 0.5 0 0

0 12.65 5.5 1 1

0 20.88 15.9 -1 -1

1 11.72 3.62 -1 -1

2 5.94 0.1 1 1

1 7.176 5.95 2 2

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0 6.6 2.4 2 2

1 18.43 3.5 -2 -2

1 20.28 11.43 -1 -1

Little or Est. or meas bow (U9), stern (V9) WL

No flare=0 overhang @ finer = -1, -2

Flare=1 bow (R9) & average = 0

V.Flare=2 stern (S9)(in inche blunter = 1, 2

DIT menu click "paste special" & "paste values" then "paste special" & "paste formatting"

en care of with the original paste)

), le=Bow half-angle (degrees), lx=Stern half-angle (not important at this time)

idship coef., Cb=block coef.

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will be made on line 11 for the unknown dimensions, transfer them to line 9 and use the results to transfer more calculated or estimated data

ides at widest point, mark floor directly under marks & measure (or use calipers for BWL)(continued next cell down)

h paper & make a rectangle around it--width=WL beam, depth=draft, the % that hull shape fills is Cx.

ll but one of Disp., Cp, Cx, LWL, BWL, or H this program provides the other #'s on line 10)

w curve crosses the baseline. Remove the distance between the bow WL & this intersection from LWL to get EWL.

ser to what SK gets)

10, for LCB .5, for At/Ax use 0. Other values on line 9 only help calculate or est. values on lines 10 & 11

th average the same over 90 kayaks as Nautilus