ABCDEFGHIJKLMNOPQRST
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GeometryBolt shear loadMaximum cylinder force
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Parameter Aa58inchesShear area0.7853981634in^2Cylinder diameter2.5inches
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Parameter Ab42inchesShear planes2Maximum pressure2500psi
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Parameter Ac42inchesShear stress48ksiHead area4.908738521in^2
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Bucket load Fx300poundsPhi0.75Maximum force12,272pounds
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Bucket load Fy-200poundsPhi*Rn56,549poundsForce calculations
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X114.25inchesBearing loadBucket tip
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Y1-14inchesPhi0.75M P8 from cylinder273815.5706lb*in
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L119.97654875inchesThickness0.25inchesX force on bucket9462.309137pounds
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x1140.25inchesEdge distance1inchesY force on bucket3500pounds(estimate from weight of backhoe and tractor)
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y116inchesNom. bolt diameter1inchesStress1261.108727psi(estimate using full section of bottom edge)
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L240.69474782inchesTensile stress60ksiActuator a
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x1244.25inchesPhi*Rn13500poundsMin. moment arm6inches
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y1210inchesBucket load estimateLift moment73631.07782lb*in
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x1392.5inchesBucket load volume2.2513ft^3Boom weight arm46.25inches
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y130inchesSoil SG3Stick weight arm130.5525952inches
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x21-26inchesWater weight62.4lb/ft^3Bucket weight arm157.3578609inches
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y2110.25inchesAdd. bucket load421poundsBoom weight381pounds
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x22-14inchesStick weight259pounds
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y2218.25inchesBucket weight1273pounds
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x2338inchesWeight moment251750.9291lb*in
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y236.25inchesExtra strength-178119.8513lb*in
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x2450inchesAlternate actuator calculation
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y246.25inchesMin. moment arm14inches
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L722.3125inchesLift moment171805.8482lb*in
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L826.5inchesBoom weight arm46.25inches
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L928.9375inchesStick weight arm130.5525952inches
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La27.125inchesBucket weight arm157.3578609inches
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Lb22inchesBoom weight381pounds
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Theta0-0.7765488369radians0.7765488369-0.7765488369Stick weight259pounds
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Phi12.506513899radians58Bucket weight695pounds
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Phi20.1479786477radians0.14797864770.1479786477Weight moment160798.0855lb*in
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Theta1-0.2894487298radiansExtra strength11007.76275lb*in
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X254.5381986inches5.656854249
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Y2-19.737905inches58.0000000000
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X359.51349979inches4.97530118945.26349979
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Y3-17.04599525inches2.6919097465.656854249-3.04599525445.36587374
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X4102.9021264inches
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Y4-40.40171357inches49.27537417
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L349.27537417inches
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L427.94749542inches27.94749542
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Phi31.01844568radians42
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Phi42.641714629radians76.105190360.49987802422.6417146292.64171462976.105190362.641714629
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L1145.36587374inches
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L1092.5inches
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Phi50.2043606213radians0.20436062130.2043606213
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Theta2-1.012377007radians
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X597.81908305inches
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Y5-12.92035315inches38.52711554
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X6110.9619881inches
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Y6-18.85870705inches
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X7128.3368712inches
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Y7-69.31773436inches
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X8134.6950267inches
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Y8-79.49485861inches
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L553.36665626inches
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Phi60.8395946721radians
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L612inches
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Phi72.914793806radians
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Phi82.075199133radians
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L1229.71824902inches
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Phi90.7050777922radians
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Phi101.062655555radians
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L1350.38911093inches
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Phi110.1243549945radians
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Phi121.058509392radians
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Theta3-0.8213820869radians
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X9142.6508412inches
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Y9-50.86132337inches
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X10156.3831519inches
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Y10-74.25340042inches
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X11154.4075425inches
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Y11-100.6796557inches
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XY
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00
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14.25-14
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54.5381986-19.737905
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59.51349979-17.04599525
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102.9021264-40.40171357
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97.81908305-12.92035315
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110.9619881-18.85870705
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128.3368712-69.31773436
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134.6950267-79.49485861
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142.6508412-50.86132337
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156.3831519-74.25340042
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154.4075425-100.6796557
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