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atkinson_details.txt
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atkinson_details.txt
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Kleshnev data, heavy men- 1+, 30.0 1/min
Atkinsopht/vanHolst comparison data file (English units)
van Holst coeffs. Cd, Cl, modified Hoerner (normal-pull, fixed resist. factor)
+
+ROWING: (hmen1-r3.dat)- Ver.10.x (At iteration 12) 8/17/ 4 8:51: 6
Input oarhandle pull- 632.06 & 842.90 N; Ddwgt.- 22.14 kg; 13.3C
Catch oar shaft angle- 22.50 deg; Advance/sweep- 13.47 m
Maximum oar shaft angle- 126.78 deg; Release angle- 128.30; dAngl:105.8
Blade cant angle- 6.00 deg; Oar lever ratio- 2.29; SwpEff=0.86
Stroke period length- 2.04 sec/cycle; Rating- 29.410 strokes/min
Drive/run period ratio- 0.754; Absolute slip- 0.61 m; Hydrfoil
Drive period- 0.876 sec; Free period- 1.164 sec
Oar blade surface area- 715.37 cm^2; Apparent slip- -0.72 m
Calculated sweep: DrvC- 3.677 m; Geometric: DrvA- 3.683 (iterated)
SHELL SPEED: Initial- 4.25 m/sec; Final- 4.24 (iterated)
Minimum ( 88)- 3.79; Maximum (851)- 5.59; Amp.= 1.8
T2km- 422.7 sec; Average- 4.732 m/sec; 15.52 ft/sec; 0.00- Wind m/sec
Resist. facts. KWa,KA,KTa- 3.472 0.000 3.472; Implse- 456.91 N-sec/rowr
WORK: Shell friction work- -772.72 J/stroke; Expt.V- 2.000; S= 2.26 m2
Momentum lower, ext.- 46.16; Momntm. lower, int.- 100.59; L= 85 kg
Momentum upper, ext.- 89.30; Momntm. upper, int.- 188.81; D= 22 kg
Externl (footboard) total- 135.47;Internl (body) total- 289.40; T= 107 kg
Shell net (residual)- -1.96; Blade profile loss- -8.93; W= 90 kg
Direct shell oarlock- 635.29; Blade slip loss- -192.98; N= 1 rowers
Total oarhandle work- 837.21; Tot.oarhandle power- 410.32 W/rower
Total rower work- 1262.08; Total rower power- 618.55 W/rower
EFF: Oarblade mechanical- 0.759; System mechanical- 0.612 An= 0.00