TORSIONAL COUPLINGS LF WEIGHTS & MASS MOMENT OF INERTIA 11 CLPG Size Weight (kg) Inertia (kg-cm2) Model 0 Model 1 Model 1/S Model 2 Model 2/S Model 0 Model 1 Model 1/S Model 2 Model 2/S LF1 0.06 0.21 0.24 0.47 0.49 0.35 0.75 0.86 1.60 1.70 LF2 0.15 0.46 0.49 1.06 1.09 1.25 2.50 3.30 7.30 8.10 LF4 0.21 1.31 0.70 2.31 1.70 3.30 5.00 6.50 11.30 12.80 LF8 0.32 1.35 1.44 3.45 3.54 7.00 15.00 18.60 41.00 44.60 LF12 0.35 1.45 1.56 3.55 3.66 8.40 18.20 20.00 44.20 46.10 LF16 0.65 2.28 2.33 6.16 6.21 23.40 42.50 49.10 118.80 125.40 LF22 0.70 2.52 2.62 6.42 6.62 26.60 50.40 70.20 126.50 146.30 LF25 0.84 3.59 3.77 9.31 9.49 50.20 90.70 102.70 215.00 227.00 LF28 0.95 3.79 4.05 9.51 9.76 55.60 102.40 113.20 247.80 258.50 LF30 1.43 5.66 6.02 15.21 15.57 102.00 200.00 220.40 545.50 565.90 LF50 1.60 6.04 6.50 15.60 16.05 104.00 205.00 253.40 550.50 598.90 LF80 2.10 6.85 7.25 16.60 17.00 131.80 240.30 263.90 585.50 609.10 LF90 3.30 11.55 12.23 28.67 29.35 450.00 657.5 759.20 1630.10 1731.80 LF140 3.65 12.33 13.22 29.45 30.36 572.00 770.00 873.00 1742.60 1845.60 LF250 7.10 18.98 20.01 44.42 45.44 1754.00 2404.00 2529.00 5264.00 5389.00 LF400 11.25 26.58 29.34 57.23 59.95 3380.00 4485.00 4683.00 9130.00 9329.00 CLPG Size Weight (kg) Inertia (kg-cm2) Model 1 Model 2 Model 4 Model 1 Model 2 Model 4 LF8 Hytrel® 1.30 3.10 - 76.90 181.00 - LF16 Hytrel® 2.30 4.80 - 206.60 512.00 - LF30 Hytrel® 5.20 13.30 6.50 800.70 2183.20 1759.40 (SAE 10) LF50 Hytrel® 5.60 13.70 7.00 942.3 2326.00 2310.8 (SAE 11.5) LF140 Hytrel® 12.00 29.00 14.50 3366.60 7257.70 - Weights & Mass Moment of Inertia for Couplings with Hytrel® Elements Weights & Mass Moment of Inertia for Couplings Zytel® Elements CLPG Size Weight (kg) Inertia (kg-cm2) Model 0/0S Model 1/1S Model 2/2S Model 0/0S Model 1/1S Model 2/2S LF2 Zytel® 0.1 0.4 1.0 1.23 1.81 6.61 LF4 Zytel® 0.1 1.3 2.3 2.63 3.63 9.95 LF8 Zytel® 0.3 1.5 3.5 10.50 14.60 40.70 LF16 Zytel® 0.5 2.1 5.9 27.50 36.60 113.00 LF25 Zytel® 0.7 3.6 9.1 50.30 72.30 196.40 LF30 Zytel® 1.1 5.4 14.9 122.00 177.90 523.50 SAE Size (J620) Weight (kg) Inertia (kg-cm2) Model 0/0S Model 0/0S 6.5 1.2 76 7.5 1.5 123 8.0 1.9 176 10.0 2.7 357 11.5 3.5 565 14.0 5.8 1724 Weights & Mass Moment for SAE Flywheel Adaptor Plates (5mm thick) To Obtain Weight of Model 3 1. Select weight of flywheel plate from table on the left. 2. Select weight of model 1 or 1/S coupling from table above. 3. Add flywheel plate and coupling weight together To Obtain Inertia of Model 3 1. Select inertia of flywheel plate from table on the left 2. Select inertia of model 1 or 1/S from table above 3. Add flywheel plate and coupling inertia together Weights & Mass Moment of Inertia for Couplings with Rubber (HTR) Elements #DriveLineHarmony www.jbj.co.uk/torsional-couplings.html
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