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Chassis Extension & 4 Link Truss - Pics - Now coil mount

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Chassis Extension & 4 Link Truss - Pics - Now coil mount

Post by bubs »

Chassis Extension

Here is some pictures of a "Chassis Extension" after having about 800mm removed to start with. I dont have any pictures of how it started out, but basicly it was cut and boxed in with 8mm plate at the cut. Originally it was to have tube from there back, but not any more.

Picture one, showing inside the c-section.
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Here is an overall completed shot
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Close up on an angle
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Side shot showing cover plate with fish plate built in ;)
Image
Last edited by bubs on Tue Apr 25, 2006 6:48 pm, edited 1 time in total.
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Post by bubs »

4 Link Truss

Here is a "4 Link Truss" built on a 80 series housing. All plates besides the 4 ears which hold the links are hand cut on school style with an angle grinder :lol:

Image

Image

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Post by 4x4Monkey »

wats the benifits of 4 links- in general
ive heard many people talkng about em but i dont know anything about em
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Post by lay80n »

Four link (triangulated in this case) allows much better articulation, also moves only in a vertical plane, unlike panhard rod equpied vehicles, that also move in a horizontal plane, pushing the axle sideways on articulation. Tri 4 link also allows easy tube of rear, as only shock mounts need to be made, no panhard mount etc.
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Post by antt »

looking good as always buddy, damn you must be busy lately
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Post by 4x4Monkey »

Whats the legal side of things for on road, does it need a engineering cert ?
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Post by bru21 »

chassis mods like this can only be done if further than 200mm away from a suspension pick up point. thus this will not be engineerable as a chassis modification alone.

looking good mate, why hand cut - not like you!
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Post by GRIMACE »

wat amount of link seperation (both horizontally and vertically) at the diff & chassis are you looking to run and with wat size tyres???

Looks pretty good buddy :D
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Post by mickyd555 »

bru21 wrote:chassis mods like this can only be done if further than 200mm away from a suspension pick up point. thus this will not be engineerable as a chassis modification alone.

looking good mate, why hand cut - not like you!
where did you get that info from, only asking because when i spoke to the engineer about chopping mine he had no problems at all. I was talking about cutting it only about 200mm behind the spring perch?? :idea:
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Post by midnight »

AnthonyP wrote:wat amount of link seperation (both horizontally and vertically) at the diff & chassis are you looking to run and with wat size tyres???

Looks pretty good buddy :D
Isnt this your car Anthony?
Maybe you should go see it one day :P
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Post by GRIMACE »

mickyd555 wrote:
bru21 wrote:chassis mods like this can only be done if further than 200mm away from a suspension pick up point. thus this will not be engineerable as a chassis modification alone.

looking good mate, why hand cut - not like you!
where did you get that info from, only asking because when i spoke to the engineer about chopping mine he had no problems at all. I was talking about cutting it only about 200mm behind the spring perch?? :idea:
well then thats ok cause its 200mm away from the suspension pick up point...
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Post by bru21 »

AnthonyP wrote:
mickyd555 wrote:
bru21 wrote:chassis mods like this can only be done if further than 200mm away from a suspension pick up point. thus this will not be engineerable as a chassis modification alone.

looking good mate, why hand cut - not like you!
where did you get that info from, only asking because when i spoke to the engineer about chopping mine he had no problems at all. I was talking about cutting it only about 200mm behind the spring perch?? :idea:
well then thats ok cause its 200mm away from the suspension pick up point...
you have done well!

I asked the engineer (grahm leslie)when he was over doing an inspection on our lotus 7 replica.
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Post by Mad Cruiser »

midnight wrote:
AnthonyP wrote:wat amount of link seperation (both horizontally and vertically) at the diff & chassis are you looking to run and with wat size tyres???

Looks pretty good buddy :D
Isnt this your car Anthony?
Maybe you should go see it one day :P
What an ugly POS :finger: :rofl:

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Post by mickyd555 »

bru21 wrote:
AnthonyP wrote:
mickyd555 wrote:
bru21 wrote:chassis mods like this can only be done if further than 200mm away from a suspension pick up point. thus this will not be engineerable as a chassis modification alone.

looking good mate, why hand cut - not like you!
where did you get that info from, only asking because when i spoke to the engineer about chopping mine he had no problems at all. I was talking about cutting it only about 200mm behind the spring perch?? :idea:
well then thats ok cause its 200mm away from the suspension pick up point...

sorry, i probably didnt explain it well. I knew what i was talking about...... :roll:

once it cut 200mm away from the coils it will have a peice of 100x100 welded in and that will bring the welds to within 100mm of the coiil hat.
you have done well!

I asked the engineer (grahm leslie)when he was over doing an inspection on our lotus 7 replica.
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Post by bubs »

Here are some new pics, the axle is squared under the rig and the coil mounts on the chassis and axle have been added.

Image
Overall Shot A

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Overall Shot B

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Diff coil mount, the slots are for tieing the coil in.

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Chassis mount, same prinicple as the axle mount.
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Post by GRIMACE »

Image
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Post by Mad Cruiser »

Somebody can't spell your name :finger:
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Post by redzook »

may have mist it but why are the coils off the back of the diff?
Last edited by redzook on Wed Apr 26, 2006 4:31 pm, edited 1 time in total.
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Post by GRIMACE »

redzook wrote:may have mist it but why the coild off the back of the diff?
good question :?:
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Post by "CANADA" »

AnthonyP wrote:
redzook wrote:may have mist it but why the coild off the back of the diff?
good question :?:
keeping it lower? keeping the spring out of the tires path at max artic...would be putting huge stress on the bushs wouldnt it?
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Post by redzook »

MADZUKI wrote:
AnthonyP wrote:
redzook wrote:may have mist it but why the coild off the back of the diff?
good question :?:
keeping it lower? keeping the spring out of the tires path at max artic...would be putting huge stress on the bushs wouldnt it?
he could have just lifted the top mounts higher on the chassis?
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Post by lay80n »

Seems strange, as it puts large loads on the welds joining the spring plates to the axle tube. Large leverage is being applied compared to mounting hte spring plate dirrectly about the axle tube.
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Post by Dee »

if i was to guess looking at that photo id say its because he would have to relocate his lower arm mounts, probably to the underside of the axle.. (the topside of the lower arms would probably hit on the underside of the spring plate upon suspension droop if the arm mounts stayed where they are with the coil mounts above)
Wanted to keep underside of axle free of stuff to get hung up on? And theres probably a reason he couldnt go wider with the lower arms, (chassis width?) instead of having to go under.

Also with leverage of springs on those plates, i think that is why he added the 90 deg returns on either side.

But yes, that was the first thing that came to my mind when i saw them at the back like that too...
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Post by bubs »

Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
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Post by redzook »

bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
i wasnt questioning strength
i think the others just jumped on that band wagon tho

was just curious why u done it that way that was all

ps i run mine off the front of the diff ;) (Space reasons)
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Post by lay80n »

bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
Just wondering, not meant to offend. :D
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Post by RUFF »

bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
Just because i did it that way doesnt mean its a good idea :finger:
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Post by bubs »

RUFF wrote:
bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
Just because i did it that way doesnt mean its a good idea :finger:
I only said that because you are considered to be god like or somin :D
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Post by GRIMACE »

bubs wrote:
RUFF wrote:
bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
Just because i did it that way doesnt mean its a good idea :finger:
I only said that because you are considered to be god like or somin :D
tehehehe

I also beleive it makes for a slightly better feel when climbin steep grades. Could be all crap thou :oops: :lol:
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Post by dave »

RUFF wrote:
bubs wrote:Reason was to try and keep it a little lower.

Are you all going to feel better if i show a pic of Ruffs Hilux with them mounted to the backside of the axle :finger:
Just because i did it that way doesnt mean its a good idea :finger:
WE ALL KNOW THAT!!! :finger: :finger: :D
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