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Rupert J (Tehamarx)
Member Username: Tehamarx
Post Number: 124 Registered: 11-2002
| Posted on Monday, February 23, 2004 - 12:25 am: |
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Hello again, I got a TJM T15 bumper and 2 Hella 4000 fogs on and the front sagged about a 1/2 inch. I plan to add the winch tray with tow hooks in the near future and after that a winch and dual battery setup. I guess the slowly increasing weight on the front will force me to change to new shocks & springs on the front and shock and SLS spacers on the rear before I add the winch & battery setup. Thus, my question. How much do (will) the individual mods weigh? (Sorry, I lost the paper work on the bumper & lights) I'm curious about this future load since it may affect(?) steering control and braking ability for onroad highway driving? TIA Rupert |
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BJ Turner (Wturner)
Senior Member Username: Wturner
Post Number: 265 Registered: 02-2002
| Posted on Monday, February 23, 2004 - 01:10 am: |
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Sit on it and measure how much you sag it. the ratio of (your weight)/(measured sag) should be very close to the same. (your weight)x(1/2" sag)/(measured sag)=(product weight) |
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Big Ed (Sandman)
New Member Username: Sandman
Post Number: 34 Registered: 02-2004
| Posted on Monday, February 23, 2004 - 04:41 am: |
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BJ...That doesn't quite compute. As the spring shortens with compression it travels less. The initial sag created by the bumper etc. will compress the spring more than the exact same weight added again. If you really want to know, take it all off, weight it, and stick it back on. Or, find the weights on-line. SandMan |
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BJ Turner (Wturner)
Senior Member Username: Wturner
Post Number: 266 Registered: 02-2002
| Posted on Monday, February 23, 2004 - 10:39 am: |
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"ratio... should be VERY close" not exact! The difference would be negligable until the ends of each direction of movement. Negligable at least for what Rupert is doing. |
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Big Ed (Sandman)
New Member Username: Sandman
Post Number: 38 Registered: 02-2004
| Posted on Tuesday, February 24, 2004 - 04:31 am: |
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BJ...We tried it. My buddy sat on the bumper, I measured the sag. I then joined my buddy and his old lady measured the sag again. Apparently my buddy is really fat! Buddy - 180lbs with sag of 10cm Me - 205lbs additional sag of 8cm Using the math you provided: 205x10/8=256 (256-180=76 lbs different or 42% off) And just for kicks we did it the other way around: Me - 205lbs with sag of 12cm Buddy - 180lbs additional sag 6cm Using the math you provided: 180x12/6= 360lbs (360-205=155lbs different or 76% off) Now that is not "VERY" close is it? SandMan |