Gearbox Efficiency & Power Loss Calculator<\/title>\n<style>\n\/* Scoped styles \u2014 safe for WordPress embed; does not affect page outside #gec-calculator *\/\n#gec-calculator {\n --gec-bg: #ffffff;\n --gec-bg-card: #ffffff;\n --gec-bg-input: #f5f7fa;\n --gec-border: #dde3ea;\n --gec-text: #1a2332;\n --gec-text-muted: #5a6b7d;\n --gec-accent: #0077b6;\n --gec-accent-glow: rgba(0,119,182,0.12);\n --gec-success: #059669;\n --gec-warning: #d97706;\n --gec-danger: #dc2626;\n --gec-shadow: 0 2px 12px rgba(0,0,0,0.06);\n --gec-radius: 12px;\n --gec-font: 'Segoe UI', system-ui, -apple-system, sans-serif;\n --gec-font-mono: 'Cascadia Code', 'Consolas', monospace;\n display: block;\n max-width: 1000px;\n margin: 0 auto;\n padding: 1.5rem;\n font-family: var(--gec-font);\n font-size: 16px;\n line-height: 1.5;\n color: var(--gec-text);\n background: var(--gec-bg);\n box-sizing: border-box;\n}\n#gec-calculator *,\n#gec-calculator *::before,\n#gec-calculator *::after {\n box-sizing: border-box;\n}\n#gec-calculator .gec-grid-main {\n display: grid;\n grid-template-columns: 1fr;\n gap: 1.25rem;\n}\n#gec-calculator .gec-card {\n background: var(--gec-bg-card);\n border: 1px solid var(--gec-border);\n border-radius: var(--gec-radius);\n padding: 1.25rem;\n box-shadow: var(--gec-shadow);\n}\n#gec-calculator .gec-card-title {\n font-size: 0.75rem;\n font-weight: 600;\n text-transform: uppercase;\n letter-spacing: 0.08em;\n color: var(--gec-accent);\n margin: 0 0 1rem;\n display: flex;\n align-items: center;\n gap: 0.5rem;\n}\n#gec-calculator .gec-card-title::before {\n content: '';\n width: 3px;\n height: 14px;\n background: var(--gec-accent);\n border-radius: 2px;\n}\n#gec-calculator .gec-input-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 1rem;\n}\n#gec-calculator .gec-form-group {\n margin: 0;\n}\n#gec-calculator .gec-form-group label {\n display: block;\n font-size: 0.82rem;\n font-weight: 500;\n color: var(--gec-text-muted);\n margin: 0 0 0.35rem;\n}\n#gec-calculator .gec-input-row {\n display: flex;\n gap: 0.5rem;\n align-items: stretch;\n}\n#gec-calculator .gec-input-row input[type=\"number\"],\n#gec-calculator .gec-form-group input[type=\"number\"],\n#gec-calculator .gec-form-group select,\n#gec-calculator .gec-input-row select {\n flex: 1;\n width: 100%;\n padding: 0.6rem 0.75rem;\n margin: 0;\n background: var(--gec-bg-input);\n border: 1px solid var(--gec-border);\n border-radius: 8px;\n color: var(--gec-text);\n font-size: 0.95rem;\n font-family: var(--gec-font-mono);\n line-height: normal;\n height: auto;\n transition: border-color 0.2s, box-shadow 0.2s;\n min-width: 0;\n box-shadow: none;\n appearance: auto;\n}\n#gec-calculator input[type=\"number\"]:focus,\n#gec-calculator select:focus {\n outline: none;\n border-color: var(--gec-accent);\n box-shadow: 0 0 0 3px var(--gec-accent-glow);\n}\n#gec-calculator input.gec-invalid {\n border-color: var(--gec-danger);\n box-shadow: 0 0 0 3px rgba(220,38,38,0.15);\n}\n#gec-calculator .gec-toggle-group {\n display: flex;\n border: 1px solid var(--gec-border);\n border-radius: 8px;\n overflow: hidden;\n flex-shrink: 0;\n}\n#gec-calculator .gec-toggle-btn {\n padding: 0.6rem 0.75rem;\n margin: 0;\n background: var(--gec-bg-input);\n border: none;\n color: var(--gec-text-muted);\n font-size: 0.78rem;\n font-weight: 600;\n font-family: var(--gec-font);\n line-height: normal;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n box-shadow: none;\n appearance: none;\n}\n#gec-calculator .gec-toggle-btn.gec-active {\n background: var(--gec-accent);\n color: #fff;\n}\n#gec-calculator .gec-toggle-btn:not(.gec-active):hover {\n color: var(--gec-text);\n}\n#gec-calculator .gec-results-grid {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));\n gap: 1rem;\n margin-bottom: 1.25rem;\n}\n#gec-calculator .gec-metric {\n background: var(--gec-bg-input);\n border-radius: 10px;\n padding: 1rem;\n text-align: center;\n border: 1px solid transparent;\n}\n#gec-calculator .gec-metric.gec-highlight {\n border-color: var(--gec-accent);\n background: var(--gec-accent-glow);\n}\n#gec-calculator .gec-metric-label {\n font-size: 0.72rem;\n color: var(--gec-text-muted);\n text-transform: uppercase;\n letter-spacing: 0.05em;\n margin-bottom: 0.25rem;\n}\n#gec-calculator .gec-metric-value {\n font-size: 1.35rem;\n font-weight: 700;\n font-family: var(--gec-font-mono);\n color: var(--gec-text);\n}\n#gec-calculator .gec-metric-unit {\n font-size: 0.75rem;\n color: var(--gec-text-muted);\n margin-top: 0.1rem;\n}\n#gec-calculator .gec-efficiency-section {\n display: grid;\n grid-template-columns: 1fr 1.5fr;\n gap: 1.5rem;\n align-items: center;\n}\n#gec-calculator .gec-gauge-wrap {\n display: flex;\n flex-direction: column;\n align-items: center;\n gap: 0.75rem;\n}\n#gec-calculator .gec-gauge {\n position: relative;\n width: 180px;\n height: 100px;\n overflow: hidden;\n}\n#gec-calculator .gec-gauge-bg,\n#gec-calculator .gec-gauge-fill {\n position: absolute;\n width: 180px;\n height: 180px;\n border-radius: 50%;\n border: 16px solid var(--gec-bg-input);\n top: 0;\n left: 0;\n clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);\n}\n#gec-calculator .gec-gauge-fill {\n border-color: transparent;\n border-top-color: var(--gec-success);\n transform: rotate(calc(var(--gec-pct, 0) * 1.8deg - 180deg));\n transition: transform 0.6s cubic-bezier(0.34,1.56,0.64,1), border-top-color 0.3s;\n}\n#gec-calculator .gec-gauge-center {\n position: absolute;\n bottom: 0;\n left: 50%;\n transform: translateX(-50%);\n text-align: center;\n}\n#gec-calculator .gec-gauge-value {\n font-size: 2rem;\n font-weight: 800;\n font-family: var(--gec-font-mono);\n line-height: 1;\n color: var(--gec-text);\n}\n#gec-calculator .gec-gauge-label {\n font-size: 0.7rem;\n color: var(--gec-text-muted);\n}\n#gec-calculator .gec-status-badge {\n display: inline-block;\n padding: 0.4rem 1rem;\n border-radius: 20px;\n font-size: 0.78rem;\n font-weight: 700;\n text-transform: uppercase;\n letter-spacing: 0.06em;\n}\n#gec-calculator .gec-status-optimal {\n background: rgba(5,150,105,0.12);\n color: var(--gec-success);\n border: 1px solid var(--gec-success);\n}\n#gec-calculator .gec-status-acceptable {\n background: rgba(217,119,6,0.12);\n color: var(--gec-warning);\n border: 1px solid var(--gec-warning);\n}\n#gec-calculator .gec-status-highloss {\n background: rgba(220,38,38,0.12);\n color: var(--gec-danger);\n border: 1px solid var(--gec-danger);\n}\n#gec-calculator .gec-warnings {\n display: flex;\n flex-direction: column;\n gap: 0.5rem;\n margin-top: 1rem;\n}\n#gec-calculator .gec-warning-banner {\n display: flex;\n align-items: flex-start;\n gap: 0.6rem;\n padding: 0.75rem 1rem;\n border-radius: 8px;\n font-size: 0.82rem;\n line-height: 1.45;\n margin: 0;\n}\n#gec-calculator .gec-warning-banner svg {\n flex-shrink: 0;\n width: 18px;\n height: 18px;\n margin-top: 1px;\n}\n#gec-calculator .gec-warning-thermal {\n background: rgba(220,38,38,0.08);\n border: 1px solid rgba(220,38,38,0.3);\n color: var(--gec-danger);\n}\n#gec-calculator .gec-warning-efficiency {\n background: rgba(217,119,6,0.08);\n border: 1px solid rgba(217,119,6,0.3);\n color: var(--gec-warning);\n}\n#gec-calculator .gec-warning-info {\n background: rgba(0,119,182,0.08);\n border: 1px solid rgba(0,119,182,0.3);\n color: var(--gec-accent);\n}\n#gec-calculator .gec-formula-note {\n margin-top: 1.25rem;\n padding-top: 1rem;\n border-top: 1px solid var(--gec-border);\n font-size: 0.72rem;\n color: var(--gec-text-muted);\n line-height: 1.6;\n}\n#gec-calculator .gec-formula-note code {\n font-family: var(--gec-font-mono);\n background: var(--gec-bg-input);\n padding: 0.1rem 0.35rem;\n border-radius: 4px;\n font-size: 0.7rem;\n}\n#gec-calculator .gec-calc-actions {\n display: flex;\n justify-content: center;\n margin-top: 1.25rem;\n}\n#gec-calculator .gec-btn-calculate {\n padding: 0.9rem 3.5rem;\n margin: 0;\n background: var(--gec-accent);\n color: #fff;\n border: none;\n border-radius: 10px;\n font-size: 1.05rem;\n font-weight: 600;\n font-family: var(--gec-font);\n line-height: normal;\n cursor: pointer;\n transition: background 0.2s, box-shadow 0.2s, transform 0.15s;\n box-shadow: 0 2px 8px rgba(0,119,182,0.25);\n min-width: 200px;\n appearance: none;\n}\n#gec-calculator .gec-btn-calculate:hover {\n background: #005f91;\n box-shadow: 0 4px 12px rgba(0,119,182,0.35);\n color: #fff;\n}\n#gec-calculator .gec-btn-calculate:active {\n transform: scale(0.98);\n}\n#gec-calculator .gec-results-panel {\n display: none !important;\n}\n#gec-calculator .gec-results-panel.gec-visible {\n display: block !important;\n}\n@media (max-width: 640px) {\n #gec-calculator .gec-input-grid {\n grid-template-columns: 1fr;\n }\n}\n@media (max-width: 720px) {\n #gec-calculator .gec-efficiency-section {\n grid-template-columns: 1fr;\n }\n}\n<\/style>\n<\/head>\n<body>\n<div id=\"gec-calculator\">\n <div class=\"gec-grid-main\">\n <div class=\"gec-card\">\n <div class=\"gec-card-title\">Input Parameters<\/div>\n <div class=\"gec-input-grid\">\n <div class=\"gec-form-group\">\n <label for=\"gec-inputPower\">Input Power (P<sub>in<\/sub>)<\/label>\n <div class=\"gec-input-row\">\n <input type=\"number\" id=\"gec-inputPower\" value=\"75\" min=\"0\" step=\"any\">\n <div class=\"gec-toggle-group\" id=\"gec-powerUnitToggle\">\n <button type=\"button\" class=\"gec-toggle-btn gec-active\" data-unit=\"kW\">kW<\/button>\n <button type=\"button\" class=\"gec-toggle-btn\" data-unit=\"HP\">HP<\/button>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-inputSpeed\">Input Speed (N<sub>in<\/sub>) \u2014 RPM<\/label>\n <input type=\"number\" id=\"gec-inputSpeed\" value=\"1480\" min=\"0\" step=\"any\">\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-gearType\">Gear Type<\/label>\n <select id=\"gec-gearType\">\n <option value=\"spur\">Spur \/ Helical<\/option>\n <option value=\"bevel\">Bevel<\/option>\n <option value=\"worm\">Worm Gear<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-stages\">Number of Reduction Stages<\/label>\n <select id=\"gec-stages\">\n <option value=\"1\">1 Stage<\/option>\n <option value=\"2\">2 Stages<\/option>\n <option value=\"3\">3 Stages<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-gearRatio\">Overall Gear Ratio (i)<\/label>\n <input type=\"number\" id=\"gec-gearRatio\" value=\"20\" min=\"1\" step=\"any\">\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-lubrication\">Lubrication Method<\/label>\n <select id=\"gec-lubrication\">\n <option value=\"splash\">Splash Lubrication<\/option>\n <option value=\"force\">Force-Fed \/ Jet<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-viscosity\">Oil Viscosity Grade (ISO VG)<\/label>\n <select id=\"gec-viscosity\">\n <option value=\"68\">ISO VG 68<\/option>\n <option value=\"100\">ISO VG 100<\/option>\n <option value=\"150\" selected>ISO VG 150<\/option>\n <option value=\"220\">ISO VG 220<\/option>\n <option value=\"320\">ISO VG 320<\/option>\n <option value=\"460\">ISO VG 460<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-temperature\">Operating Temperature<\/label>\n <div class=\"gec-input-row\">\n <input type=\"number\" id=\"gec-temperature\" value=\"65\" step=\"any\">\n <div class=\"gec-toggle-group\" id=\"gec-tempUnitToggle\">\n <button type=\"button\" class=\"gec-toggle-btn gec-active\" data-unit=\"C\">°C<\/button>\n <button type=\"button\" class=\"gec-toggle-btn\" data-unit=\"F\">°F<\/button>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-calc-actions\">\n <button type=\"button\" class=\"gec-btn-calculate\" id=\"gec-calcBtn\">Calculate<\/button>\n <\/div>\n <\/div>\n\n <div class=\"gec-card gec-results-panel\" id=\"gec-resultsPanel\">\n <div class=\"gec-card-title\">Results & Efficiency Analysis<\/div>\n <div class=\"gec-efficiency-section\">\n <div class=\"gec-gauge-wrap\">\n <div class=\"gec-gauge\">\n <div class=\"gec-gauge-bg\"><\/div>\n <div class=\"gec-gauge-fill\" id=\"gec-gaugeFill\"><\/div>\n <div class=\"gec-gauge-center\">\n <div class=\"gec-gauge-value\" id=\"gec-gaugeValue\">\u2014<\/div>\n <div class=\"gec-gauge-label\">Efficiency η<\/div>\n <\/div>\n <\/div>\n <span class=\"gec-status-badge gec-status-optimal\" id=\"gec-statusBadge\">Optimal<\/span>\n <\/div>\n <div class=\"gec-results-grid\">\n <div class=\"gec-metric gec-highlight\">\n <div class=\"gec-metric-label\">Total Power Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPloss\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Gear Mesh Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPm\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Bearing & Seal Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPb\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Churning \/ Windage<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPw\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Net Output Power<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Net Output Torque<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outTout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">N·m<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Heat Dissipation<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outHeatW\">\u2014<\/div>\n <div class=\"gec-metric-unit\">W \/ <span id=\"gec-outHeatBTU\">\u2014<\/span> BTU\/h<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Output Speed<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outNout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">RPM<\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-warnings\" id=\"gec-warnings\"><\/div>\n <div class=\"gec-formula-note\">\n Models: Mesh loss per ISO\/TR 14179 & AGMA 925 \u2014 stage efficiency from gear type & ratio.\n Bearing loss: f = 0.003 + 0.000012·(N\/1000)·√(P<sub>in<\/sub>).\n Churning: P<sub>w<\/sub> ∝ μ<sub>eff<\/sub>·(N\/1000)<sup>1.6<\/sup>·f<sub>lub<\/sub>.\n <code>η = (P<sub>in<\/sub> − P<sub>loss<\/sub>) \/ P<sub>in<\/sub> × 100%<\/code>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<script type=\"text\/javascript\">(function(){var 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icmljYXRpb24gPT09ICdzcGxhc2gnID8gMS4wIDogMC4zODsKICAgICAgdmFyIHN0YWdlRmFjdG9yID0gMSArIDAuMTggKiAobiAtIDEpOwogICAgICB2YXIgc3BlZWRGYWN0b3IgPSBNYXRoLnBvdyhOIC8gMTAwMCwgMS42KTsKICAgICAgdmFyIHZpc2NGYWN0b3IgPSBNYXRoLnBvdyhtdUVmZiAvIG11UmVmLCAwLjc1KTsKICAgICAgdmFyIGZXID0gMC4wMDE4ICogc3BlZWRGYWN0b3IgKiB2aXNjRmFjdG9yICogbHViRmFjdG9yICogc3RhZ2VGYWN0b3I7CiAgICAgIHJldHVybiBQaW5LdyAqIE1hdGgubWluKDAuMjUsIGZXKTsKICAgIH0KCiAgICBmdW5jdGlvbiB2YWxpZGF0ZUlucHV0cyhQaW5LdywgTiwgcmF0aW8sIHRlbXBDKSB7CiAgICAgIHZhciBpc3N1ZXMgPSBbXTsKICAgICAgaWYgKFBpbkt3IDwgMCkgaXNzdWVzLnB1c2goeyB0eXBlOiAnaW52YWxpZCcsIG1zZzogJ0lucHV0IHBvd2VyIG11c3QgYmUgbm9uLW5lZ2F0aXZlLicgfSk7CiAgICAgIGlmIChOIDwgMCkgaXNzdWVzLnB1c2goeyB0eXBlOiAnaW52YWxpZCcsIG1zZzogJ0lucHV0IHNwZWVkIG11c3QgYmUgbm9uLW5lZ2F0aXZlLicgfSk7CiAgICAgIGlmIChyYXRpbyA8IDEpIGlzc3Vlcy5wdXNoKHsgdHlwZTogJ2ludmFsaWQnLCBtc2c6ICdHZWFyIHJhdGlvIG11c3QgYmUgPj0gMS4nIH0pOwogICAgICBpZiAodGVtcEMgPCAtMjAgfHwgdGVtcEMgPiAxNTApIGlzc3Vlcy5wdXNoKHsgdHlwZTogJ2ludmFsaWQnLCBtc2c6ICdPcGVyYXRpbmcgdGVtcGVyYXR1cmUgb3V0c2lkZSByZWFsaXN0aWMgcmFuZ2UgKC0yMCB0byAxNTAgwrBDKS4nIH0pOwogICAgICBpZiAoUGluS3cgPT09IDAgJiYgTiA+IDApIGlzc3Vlcy5wdXNoKHsgdHlwZTogJ2luZm8nLCBtc2c6ICdaZXJvIGlucHV0IHBvd2VyIC0gbG9zc2VzIHdpbGwgYmUgbmVnbGlnaWJsZS4nIH0pOwogICAgICByZXR1cm4gaXNzdWVzOwogICAgfQoKICAgIGZ1bmN0aW9uIHRoZXJtYWxXYXJuaW5ncyhQbG9zc0t3LCB0ZW1wQywgTiwgdmcsIGx1YnJpY2F0aW9uKSB7CiAgICAgIHZhciB3ID0gW107CiAgICAgIHZhciBoZWF0VyA9IFBsb3NzS3cgKiBLV19UT19XOwogICAgICBpZiAoaGVhdFcgPiAxNTAwMCkgewogICAgICAgIHcucHVzaCh7IHR5cGU6ICd0aGVybWFsJywgbXNnOiAnSGlnaCBoZWF0IGdlbmVyYXRpb24gKCcgKyBmbXQoaGVhdFcsIDApICsgJyBXKS4gRW5zdXJlIGFkZXF1YXRlIGNvb2xpbmcsIG9pbCB2b2x1bWUsIGFuZCBob3VzaW5nIHN1cmZhY2UgYXJlYS4nIH0pOwogICAgICB9CiAgICAgIGlmICh0ZW1wQyA+IDkwKSB7CiAgICAgICAgdy5wdXNoKHsgdHlwZTogJ3RoZXJtYWwnLCBtc2c6ICdPcGVyYXRpbmcgdGVtcGVyYXR1cmUgJyArIGZtdCh0ZW1wQywgMSkgKyAnIMKwQyBleGNlZWRzIHR5cGljYWwgbGltaXQgKH45MCDCsEMpLiBSaXNrIG9mIG9pbCBkZWdyYWRhdGlvbiBhbmQgc2VhbCBmYWlsdXJlLicgfSk7CiAgICAgIH0KICAgICAgaWYgKHRlbXBDID4gNzUgJiYgdmcgPj0gMzIwKSB7CiAgICAgICAgdy5wdXNoKHsgdHlwZTogJ3RoZXJtYWwnLCBtc2c6ICdIaWdoIHZpc2Nvc2l0eSBncmFkZSBhdCBlbGV2YXRlZCB0ZW1wZXJhdHVyZSAtIHZlcmlmeSBvaWwgc3VtcCB0ZW1wZXJhdHVyZSBhbmQgb3hpZGF0aW9uIHN0YWJpbGl0eS4nIH0pOwogICAgICB9CiAgICAgIGlmIChsdWJyaWNhdGlvbiA9PT0gJ3NwbGFzaCcgJiYgTiA+IDMwMDAgJiYgdmcgPj0gMjIwKSB7CiAgICAgICAgdy5wdXNoKHsgdHlwZTogJ3RoZXJtYWwnLCBtc2c6ICdIaWdoLXNwZWVkIHNwbGFzaCBsdWJyaWNhdGlvbiB3aXRoIGhlYXZ5IG9pbCAtIGV4Y2Vzc2l2ZSBjaHVybmluZyBhbmQgdGhlcm1hbCBsb2FkIGV4cGVjdGVkLiBDb25zaWRlciBmb3JjZS1mZWQgbHVicmljYXRpb24gb3IgbG93ZXIgVkcgZ3JhZGUuJyB9KTsKICAgICAgfQogICAgICByZXR1cm4gdzsKICAgIH0KCiAgICBmdW5jdGlvbiBlZmZpY2llbmN5V2FybmluZ3MoZXRhLCBnZWFyVHlwZSwgcmF0aW8pIHsKICAgICAgdmFyIHcgPSBbXTsKICAgICAgaWYgKGV0YSA8IDkwKSB7CiAgICAgICAgdy5wdXNoKHsgdHlwZTogJ2VmZmljaWVuY3knLCBtc2c6ICdFZmZpY2llbmN5ICcgKyBmbXQoZXRhLCAxKSArICclIGlzIGJlbG93IDkwJSAtIGludmVzdGlnYXRlIGdlYXIgc2VsZWN0aW9uLCBhbGlnbm1lbnQsIGFuZCBsdWJyaWNhdGlvbi4nIH0pOwogICAgICB9IGVsc2UgaWYgKGV0YSA8IDk1KSB7CiAgICAgICAgdy5wdXNoKHsgdHlwZTogJ2VmZmljaWVuY3knLCBtc2c6ICdFZmZpY2llbmN5ICcgKyBmbXQoZXRhLCAxKSArICclIGlzIGFjY2VwdGFibGUgYnV0IG5vdCBvcHRpbWFsLiBSZXZpZXcgbG9hZCBkaXN0cmlidXRpb24gYW5kIGJlYXJpbmcgcHJlbG9hZC4nIH0pOwogICAgICB9CiAgICAgIGlmIChnZWFyVHlwZSA9PT0gJ3dvcm0nICYmIHJhdGlvID4gNDAgJiYgZXRhIDwgODUpIHsKICAgICAgICB3LnB1c2goeyB0eXBlOiAnZWZmaWNpZW5jeScsIG1zZzogJ0hpZ2gtcmF0aW8gd29ybSBkcml2ZSB3aXRoIHNpZ25pZmljYW50IHNsaWRpbmcgbG9zc2VzIC0gdGhlcm1hbCBtYW5hZ2VtZW50IGlzIGNyaXRpY2FsLicgfSk7CiAgICAgIH0KICAgICAgcmV0dXJuIHc7CiAgICB9CgogICAgZnVuY3Rpb24gdXBkYXRlR2F1Z2UoZXRhKSB7CiAgICAgIHZhciBjbGFtcGVkID0gTWF0aC5tYXgoMCwgTWF0aC5taW4oMTAwLCBldGEpKTsKICAgICAgZWxzLmdhdWdlRmlsbC5zdHlsZS5zZXRQcm9wZXJ0eSgnLS1nZWMtcGN0JywgY2xhbXBlZCk7CiAgICAgIGVscy5nYXVnZVZhbHVlLnRleHRDb250ZW50ID0gZm10KGV0YSwgMSkgKyAnJSc7CgogICAgICB2YXIgY29sb3IsIGJhZGdlQ2xhc3MsIGJhZGdlVGV4dDsKICAgICAgaWYgKGV0YSA+PSA5NSkgewogICAgICAgIGNvbG9yID0gJ3ZhcigtLWdlYy1zdWNjZXNzKSc7IGJhZGdlQ2xhc3MgPSAnZ2VjLXN0YXR1cy1vcHRpbWFsJzsgYmFkZ2VUZXh0ID0gJ09wdGltYWwnOwogICAgICB9IGVsc2UgaWYgKGV0YSA+PSA5MCkgewogICAgICAgIGNvbG9yID0gJ3ZhcigtLWdlYy13YXJuaW5nKSc7IGJhZGdlQ2xhc3MgPSAnZ2VjLXN0YXR1cy1hY2NlcHRhYmxlJzsgYmFkZ2VUZXh0ID0gJ0FjY2VwdGFibGUnOwogICAgICB9IGVsc2UgewogICAgICAgIGNvbG9yID0gJ3ZhcigtLWdlYy1kYW5nZXIpJzsgYmFkZ2VDbGFzcyA9ICdnZWMtc3RhdHVzLWhpZ2hsb3NzJzsgYmFkZ2VUZXh0ID0gJ0hpZ2ggTG9zcyc7CiAgICAgIH0KICAgICAgZWxzLmdhdWdlRmlsbC5zdHlsZS5ib3JkZXJUb3BDb2xvciA9IGNvbG9yOwogICAgICBlbHMuc3RhdHVzQmFkZ2UuY2xhc3NOYW1lID0gJ2dlYy1zdGF0dXMtYmFkZ2UgJyArIGJhZGdlQ2xhc3M7CiAgICAgIGVscy5zdGF0dXNCYWRnZS50ZXh0Q29udGVudCA9IGJhZGdlVGV4dDsKICAgIH0KCiAgICBmdW5jdGlvbiByZW5kZXJXYXJuaW5ncyhsaXN0KSB7CiAgICAgIGVscy53YXJuaW5ncy5pbm5lckhUTUwgPSBsaXN0Lm1hcChmdW5jdGlvbiAodykgewogICAgICAgIHZhciBjbHMgPSB3LnR5cGUgPT09ICd0aGVybWFsJyA\/ICdnZWMtd2FybmluZy10aGVybWFsJyA6IHcudHlwZSA9PT0gJ2VmZmljaWVuY3knID8gJ2dlYy13YXJuaW5nLWVmZmljaWVuY3knIDogdy50eXBlID09PSAnaW52YWxpZCcgPyAnZ2VjLXdhcm5pbmctdGhlcm1hbCcgOiAnZ2VjLXdhcm5pbmctaW5mbyc7CiAgICAgICAgcmV0dXJuICc8ZGl2IGNsYXNzPSJnZWMtd2FybmluZy1iYW5uZXIgJyArIGNscyArICciPjxzdmcgdmlld0JveD0iMCAwIDI0IDI0Ii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{"id":24581,"date":"2026-08-10T05:19:43","date_gmt":"2026-08-10T05:19:43","guid":{"rendered":"https:\/\/www.mechstream.com\/?p=24581"},"modified":"2026-08-10T05:27:08","modified_gmt":"2026-08-10T05:27:08","slug":"gearbox-efficiency-power-loss-calculator","status":"publish","type":"post","link":"https:\/\/www.mechstream.com\/ar\/gearbox-efficiency-power-loss-calculator\/","title":{"rendered":"Gearbox Efficiency & Power Loss Calculator"},"content":{"rendered":"\n

The Gearbox Efficiency & Power Loss Calculator<\/strong> is an advanced engineering tool designed to evaluate gearbox performance by calculating transmission efficiency and power losses during operation. By entering key parameters such as input power, output power, torque, speed, and efficiency values, users can quickly determine energy loss and overall gearbox performance. The Gearbox Efficiency & Power Loss Calculator<\/strong> helps engineers analyze mechanical transmission systems, optimize gearbox designs, select suitable components, and improve energy utilization. It is widely used in industrial machinery, automotive systems, robotics, and power transmission applications. This calculator provides accurate and convenient calculations, helping designers reduce energy waste, improve system reliability, and achieve more efficient gearbox solutions.<\/p>\n\n\n\n\n\n\n\n\nGearbox Efficiency & Power Loss Calculator<\/title>\n<style>\n\/* Scoped styles \u2014 safe for WordPress embed; does not affect page outside #gec-calculator *\/\n#gec-calculator {\n --gec-bg: #ffffff;\n --gec-bg-card: #ffffff;\n --gec-bg-input: #f5f7fa;\n --gec-border: #dde3ea;\n --gec-text: #1a2332;\n --gec-text-muted: #5a6b7d;\n --gec-accent: #0077b6;\n --gec-accent-glow: rgba(0,119,182,0.12);\n --gec-success: #059669;\n --gec-warning: #d97706;\n --gec-danger: #dc2626;\n --gec-shadow: 0 2px 12px rgba(0,0,0,0.06);\n --gec-radius: 12px;\n --gec-font: 'Segoe UI', system-ui, -apple-system, sans-serif;\n --gec-font-mono: 'Cascadia Code', 'Consolas', monospace;\n display: block;\n max-width: 1000px;\n margin: 0 auto;\n padding: 1.5rem;\n font-family: var(--gec-font);\n font-size: 16px;\n line-height: 1.5;\n color: var(--gec-text);\n background: var(--gec-bg);\n box-sizing: border-box;\n}\n#gec-calculator *,\n#gec-calculator *::before,\n#gec-calculator *::after {\n box-sizing: border-box;\n}\n#gec-calculator .gec-grid-main {\n display: grid;\n grid-template-columns: 1fr;\n gap: 1.25rem;\n}\n#gec-calculator .gec-card {\n background: var(--gec-bg-card);\n border: 1px solid var(--gec-border);\n border-radius: var(--gec-radius);\n padding: 1.25rem;\n box-shadow: var(--gec-shadow);\n}\n#gec-calculator .gec-card-title {\n font-size: 0.75rem;\n font-weight: 600;\n text-transform: uppercase;\n letter-spacing: 0.08em;\n color: var(--gec-accent);\n margin: 0 0 1rem;\n display: flex;\n align-items: center;\n gap: 0.5rem;\n}\n#gec-calculator .gec-card-title::before {\n content: '';\n width: 3px;\n height: 14px;\n background: var(--gec-accent);\n border-radius: 2px;\n}\n#gec-calculator .gec-input-grid {\n display: grid;\n grid-template-columns: repeat(2, 1fr);\n gap: 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border-color: var(--gec-accent);\n box-shadow: 0 0 0 3px var(--gec-accent-glow);\n}\n#gec-calculator input.gec-invalid {\n border-color: var(--gec-danger);\n box-shadow: 0 0 0 3px rgba(220,38,38,0.15);\n}\n#gec-calculator .gec-toggle-group {\n display: flex;\n border: 1px solid var(--gec-border);\n border-radius: 8px;\n overflow: hidden;\n flex-shrink: 0;\n}\n#gec-calculator .gec-toggle-btn {\n padding: 0.6rem 0.75rem;\n margin: 0;\n background: var(--gec-bg-input);\n border: none;\n color: var(--gec-text-muted);\n font-size: 0.78rem;\n font-weight: 600;\n font-family: var(--gec-font);\n line-height: normal;\n cursor: pointer;\n transition: all 0.2s;\n white-space: nowrap;\n box-shadow: none;\n appearance: none;\n}\n#gec-calculator .gec-toggle-btn.gec-active {\n background: var(--gec-accent);\n color: #fff;\n}\n#gec-calculator .gec-toggle-btn:not(.gec-active):hover {\n color: var(--gec-text);\n}\n#gec-calculator .gec-results-grid {\n display: grid;\n grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));\n gap: 1rem;\n margin-bottom: 1.25rem;\n}\n#gec-calculator .gec-metric {\n background: var(--gec-bg-input);\n border-radius: 10px;\n padding: 1rem;\n text-align: center;\n border: 1px solid transparent;\n}\n#gec-calculator .gec-metric.gec-highlight {\n border-color: var(--gec-accent);\n background: var(--gec-accent-glow);\n}\n#gec-calculator .gec-metric-label {\n font-size: 0.72rem;\n color: var(--gec-text-muted);\n text-transform: uppercase;\n letter-spacing: 0.05em;\n margin-bottom: 0.25rem;\n}\n#gec-calculator .gec-metric-value {\n font-size: 1.35rem;\n font-weight: 700;\n font-family: var(--gec-font-mono);\n color: var(--gec-text);\n}\n#gec-calculator .gec-metric-unit {\n font-size: 0.75rem;\n color: var(--gec-text-muted);\n margin-top: 0.1rem;\n}\n#gec-calculator .gec-efficiency-section {\n display: grid;\n grid-template-columns: 1fr 1.5fr;\n gap: 1.5rem;\n align-items: center;\n}\n#gec-calculator .gec-gauge-wrap {\n display: flex;\n flex-direction: column;\n align-items: center;\n gap: 0.75rem;\n}\n#gec-calculator .gec-gauge {\n position: relative;\n width: 180px;\n height: 100px;\n overflow: hidden;\n}\n#gec-calculator .gec-gauge-bg,\n#gec-calculator .gec-gauge-fill {\n position: absolute;\n width: 180px;\n height: 180px;\n border-radius: 50%;\n border: 16px solid var(--gec-bg-input);\n top: 0;\n left: 0;\n clip-path: polygon(0 50%, 100% 50%, 100% 100%, 0 100%);\n}\n#gec-calculator .gec-gauge-fill {\n border-color: transparent;\n border-top-color: var(--gec-success);\n transform: rotate(calc(var(--gec-pct, 0) * 1.8deg - 180deg));\n transition: transform 0.6s cubic-bezier(0.34,1.56,0.64,1), border-top-color 0.3s;\n}\n#gec-calculator .gec-gauge-center {\n position: absolute;\n bottom: 0;\n left: 50%;\n transform: translateX(-50%);\n text-align: center;\n}\n#gec-calculator .gec-gauge-value {\n font-size: 2rem;\n font-weight: 800;\n font-family: var(--gec-font-mono);\n line-height: 1;\n color: var(--gec-text);\n}\n#gec-calculator .gec-gauge-label {\n font-size: 0.7rem;\n color: var(--gec-text-muted);\n}\n#gec-calculator .gec-status-badge {\n display: inline-block;\n padding: 0.4rem 1rem;\n border-radius: 20px;\n font-size: 0.78rem;\n font-weight: 700;\n text-transform: uppercase;\n letter-spacing: 0.06em;\n}\n#gec-calculator .gec-status-optimal {\n background: rgba(5,150,105,0.12);\n color: var(--gec-success);\n border: 1px solid var(--gec-success);\n}\n#gec-calculator .gec-status-acceptable {\n background: rgba(217,119,6,0.12);\n color: var(--gec-warning);\n border: 1px solid var(--gec-warning);\n}\n#gec-calculator .gec-status-highloss {\n background: rgba(220,38,38,0.12);\n color: var(--gec-danger);\n border: 1px solid var(--gec-danger);\n}\n#gec-calculator .gec-warnings {\n display: flex;\n flex-direction: column;\n gap: 0.5rem;\n margin-top: 1rem;\n}\n#gec-calculator .gec-warning-banner {\n display: flex;\n align-items: flex-start;\n gap: 0.6rem;\n padding: 0.75rem 1rem;\n border-radius: 8px;\n font-size: 0.82rem;\n line-height: 1.45;\n margin: 0;\n}\n#gec-calculator .gec-warning-banner svg {\n flex-shrink: 0;\n width: 18px;\n height: 18px;\n margin-top: 1px;\n}\n#gec-calculator .gec-warning-thermal {\n background: rgba(220,38,38,0.08);\n border: 1px solid rgba(220,38,38,0.3);\n color: var(--gec-danger);\n}\n#gec-calculator .gec-warning-efficiency {\n background: rgba(217,119,6,0.08);\n border: 1px solid rgba(217,119,6,0.3);\n color: var(--gec-warning);\n}\n#gec-calculator .gec-warning-info {\n background: rgba(0,119,182,0.08);\n border: 1px solid rgba(0,119,182,0.3);\n color: var(--gec-accent);\n}\n#gec-calculator .gec-formula-note {\n margin-top: 1.25rem;\n padding-top: 1rem;\n border-top: 1px solid var(--gec-border);\n font-size: 0.72rem;\n color: var(--gec-text-muted);\n line-height: 1.6;\n}\n#gec-calculator .gec-formula-note code {\n font-family: var(--gec-font-mono);\n background: var(--gec-bg-input);\n padding: 0.1rem 0.35rem;\n border-radius: 4px;\n font-size: 0.7rem;\n}\n#gec-calculator .gec-calc-actions {\n display: flex;\n justify-content: center;\n margin-top: 1.25rem;\n}\n#gec-calculator .gec-btn-calculate {\n padding: 0.9rem 3.5rem;\n margin: 0;\n background: var(--gec-accent);\n color: #fff;\n border: none;\n border-radius: 10px;\n font-size: 1.05rem;\n font-weight: 600;\n font-family: var(--gec-font);\n line-height: normal;\n cursor: pointer;\n transition: background 0.2s, box-shadow 0.2s, transform 0.15s;\n box-shadow: 0 2px 8px rgba(0,119,182,0.25);\n min-width: 200px;\n appearance: none;\n}\n#gec-calculator .gec-btn-calculate:hover {\n background: #005f91;\n box-shadow: 0 4px 12px rgba(0,119,182,0.35);\n color: #fff;\n}\n#gec-calculator .gec-btn-calculate:active {\n transform: scale(0.98);\n}\n#gec-calculator .gec-results-panel {\n display: none !important;\n}\n#gec-calculator .gec-results-panel.gec-visible {\n display: block !important;\n}\n@media (max-width: 640px) {\n #gec-calculator .gec-input-grid {\n grid-template-columns: 1fr;\n }\n}\n@media (max-width: 720px) {\n #gec-calculator .gec-efficiency-section {\n grid-template-columns: 1fr;\n }\n}\n<\/style>\n<\/head>\n<body>\n<div id=\"gec-calculator\">\n <div class=\"gec-grid-main\">\n <div class=\"gec-card\">\n <div class=\"gec-card-title\">Input Parameters<\/div>\n <div class=\"gec-input-grid\">\n <div class=\"gec-form-group\">\n <label for=\"gec-inputPower\">Input Power (P<sub>in<\/sub>)<\/label>\n <div class=\"gec-input-row\">\n <input type=\"number\" id=\"gec-inputPower\" value=\"75\" min=\"0\" step=\"any\">\n <div class=\"gec-toggle-group\" id=\"gec-powerUnitToggle\">\n <button type=\"button\" class=\"gec-toggle-btn gec-active\" data-unit=\"kW\">kW<\/button>\n <button type=\"button\" class=\"gec-toggle-btn\" data-unit=\"HP\">HP<\/button>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-inputSpeed\">Input Speed (N<sub>in<\/sub>) \u2014 RPM<\/label>\n <input type=\"number\" id=\"gec-inputSpeed\" value=\"1480\" min=\"0\" step=\"any\">\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-gearType\">Gear Type<\/label>\n <select id=\"gec-gearType\">\n <option value=\"spur\">Spur \/ Helical<\/option>\n <option value=\"bevel\">Bevel<\/option>\n <option value=\"worm\">Worm Gear<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-stages\">Number of Reduction Stages<\/label>\n <select id=\"gec-stages\">\n <option value=\"1\">1 Stage<\/option>\n <option value=\"2\">2 Stages<\/option>\n <option value=\"3\">3 Stages<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-gearRatio\">Overall Gear Ratio (i)<\/label>\n <input type=\"number\" id=\"gec-gearRatio\" value=\"20\" min=\"1\" step=\"any\">\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-lubrication\">Lubrication Method<\/label>\n <select id=\"gec-lubrication\">\n <option value=\"splash\">Splash Lubrication<\/option>\n <option value=\"force\">Force-Fed \/ Jet<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-viscosity\">Oil Viscosity Grade (ISO VG)<\/label>\n <select id=\"gec-viscosity\">\n <option value=\"68\">ISO VG 68<\/option>\n <option value=\"100\">ISO VG 100<\/option>\n <option value=\"150\" selected>ISO VG 150<\/option>\n <option value=\"220\">ISO VG 220<\/option>\n <option value=\"320\">ISO VG 320<\/option>\n <option value=\"460\">ISO VG 460<\/option>\n <\/select>\n <\/div>\n <div class=\"gec-form-group\">\n <label for=\"gec-temperature\">Operating Temperature<\/label>\n <div class=\"gec-input-row\">\n <input type=\"number\" id=\"gec-temperature\" value=\"65\" step=\"any\">\n <div class=\"gec-toggle-group\" id=\"gec-tempUnitToggle\">\n <button type=\"button\" class=\"gec-toggle-btn gec-active\" data-unit=\"C\">°C<\/button>\n <button type=\"button\" class=\"gec-toggle-btn\" data-unit=\"F\">°F<\/button>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-calc-actions\">\n <button type=\"button\" class=\"gec-btn-calculate\" id=\"gec-calcBtn\">Calculate<\/button>\n <\/div>\n <\/div>\n\n <div class=\"gec-card gec-results-panel\" id=\"gec-resultsPanel\">\n <div class=\"gec-card-title\">Results & Efficiency Analysis<\/div>\n <div class=\"gec-efficiency-section\">\n <div class=\"gec-gauge-wrap\">\n <div class=\"gec-gauge\">\n <div class=\"gec-gauge-bg\"><\/div>\n <div class=\"gec-gauge-fill\" id=\"gec-gaugeFill\"><\/div>\n <div class=\"gec-gauge-center\">\n <div class=\"gec-gauge-value\" id=\"gec-gaugeValue\">\u2014<\/div>\n <div class=\"gec-gauge-label\">Efficiency η<\/div>\n <\/div>\n <\/div>\n <span class=\"gec-status-badge gec-status-optimal\" id=\"gec-statusBadge\">Optimal<\/span>\n <\/div>\n <div class=\"gec-results-grid\">\n <div class=\"gec-metric gec-highlight\">\n <div class=\"gec-metric-label\">Total Power Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPloss\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Gear Mesh Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPm\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Bearing & Seal Loss<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPb\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Churning \/ Windage<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPw\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Net Output Power<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outPout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">kW<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Net Output Torque<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outTout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">N·m<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Heat Dissipation<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outHeatW\">\u2014<\/div>\n <div class=\"gec-metric-unit\">W \/ <span id=\"gec-outHeatBTU\">\u2014<\/span> BTU\/h<\/div>\n <\/div>\n <div class=\"gec-metric\">\n <div class=\"gec-metric-label\">Output Speed<\/div>\n <div class=\"gec-metric-value\" id=\"gec-outNout\">\u2014<\/div>\n <div class=\"gec-metric-unit\">RPM<\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"gec-warnings\" id=\"gec-warnings\"><\/div>\n <div class=\"gec-formula-note\">\n Models: Mesh loss per ISO\/TR 14179 & AGMA 925 \u2014 stage efficiency from gear type & ratio.\n Bearing loss: f = 0.003 + 0.000012·(N\/1000)·√(P<sub>in<\/sub>).\n Churning: P<sub>w<\/sub> ∝ μ<sub>eff<\/sub>·(N\/1000)<sup>1.6<\/sup>·f<sub>lub<\/sub>.\n <code>η = (P<sub>in<\/sub> − P<sub>loss<\/sub>) \/ P<sub>in<\/sub> × 100%<\/code>\n <\/div>\n <\/div>\n <\/div>\n<\/div>\n\n<script type=\"text\/javascript\">(function(){var 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