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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:   Edit Post Delete Post Print Post

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
 

BJ Turner (Wturner)
Senior Member
Username: Wturner

Post Number: 265
Registered: 02-2002
Posted on Monday, February 23, 2004 - 01:10 am:   Edit Post Delete Post Print Post

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)
 

Big Ed (Sandman)
New Member
Username: Sandman

Post Number: 34
Registered: 02-2004
Posted on Monday, February 23, 2004 - 04:41 am:   Edit Post Delete Post Print Post

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
 

BJ Turner (Wturner)
Senior Member
Username: Wturner

Post Number: 266
Registered: 02-2002
Posted on Monday, February 23, 2004 - 10:39 am:   Edit Post Delete Post Print Post

"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.
 

Big Ed (Sandman)
New Member
Username: Sandman

Post Number: 38
Registered: 02-2004
Posted on Tuesday, February 24, 2004 - 04:31 am:   Edit Post Delete Post Print Post

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

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