SOA Info

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Les Cousins

New Member
Posts
10
Hello to all,I'm looking at having to renew the chassis on my new s111 project, and am considering doing an SOA while I'm about it. Do any of you good people know if the are any books or web sites that describe this task/ new parts needed etc. I'd prefer not to attempt it blind and would appreciate the benifit of past experiance. Cheers. Les.
 
check out this thread relating to the spring over axle malarkey. i think it looks good on certain vehicles but on landrovers it just looks like an accident waiting fall over on the first corner.........
 
What is that "spring wrap" they are talking about? Is it the axle trying to rotate and flexing the spring or something?
 
clivees said:
Yep
the whole drive is transmitted through the springs from the axel, which is trying to spin.
Click to expand...

People often under-estimate how much those old leaf springs do.

1. they locate the axle fore and aft.
2. they let the axle rise and fall while supporting the weight of the car.
3. they control the lateral movement of the axle.
4. the control the reaction torque of driving and braking.

There is enormous reaction torque from heavy braking and lots of throttle in LO range first gear. Could be thousands of pounds-feet.

Have a look at a Def 90-100 or a Disco, and work out what controls those four forces, seeing they don't have leaf springs.

CharlesY
 
reet rupert perhaps yer can edjarkate the young uns with chapter and verse as to why landies and other proper orf roaders dint got independant surpenshun
 
Cheers for the advice,
I can now see that a SOA conversion would be a waste of time, effort, money and at the very worst be dangerous.
SOA would lift the cars body and make the vehicle "look "invincable yet gain no more ground clearance. I see that the SOA is big state side with jeep fans and over here with those that choose to drive jimny's.
But I suppose that it is only common sense that if the car would be better with axle under the spring then Rover's R&D people would have done it as standard eon's ago.
Thanks for helping to keep my feet on the ground.
Les.
 
slob said:
reet rupert perhaps yer can edjarkate the young uns with chapter and verse as to why landies and other proper orf roaders dint got independant surpenshun
Click to expand...

is that cos you got a beam axle and when one wheel goes up it pivots on the other and not dissapear up is own ass like a indepent suspension :D
 
Les Cousins said:
Cheers for the advice,
I can now see that a SOA conversion would be a waste of time, effort, money and at the very worst be dangerous.
SOA would lift the cars body and make the vehicle "look "invincable yet gain no more ground clearance. I see that the SOA is big state side with jeep fans and over here with those that choose to drive jimny's.
But I suppose that it is only common sense that if the car would be better with axle under the spring then Rover's R&D people would have done it as standard eon's ago.
Thanks for helping to keep my feet on the ground.
Les.
Click to expand...
Old thread I know.

But just felt I couldn't let this one pass.

Land Rover DID indeed use SOA, on both the rear of Series IIb and the FC101. These where the last two leaf sprung developments form Land Rover, so logically shows they were thinking in this direction and that it was progression from the SUA approach of the vehicles hailing from the 1940's.
 
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