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Driveshaft Loop


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They are pretty easy to make and not really something you need to copy. Different ride heights and driveshaft dia are going to change the loop dia.

Page two of my project thread has pics of mine about half way down page.

http://www.oldschool.co.nz/phpbb/viewto ... 8&start=20

There are standards you must meet for the size metal to make them out of.

Think, but dont quote me on, 6mm thick, 60mm wide. 150mm from front driveshaft universal. Must have plates inside floor of car where the bolts come through. 4x bolts (Id go with M10's to be safe)

Gaz

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I got told it was 50mm wide and 5mm thick..

I've got a problem making one with my car so low.. so I've got a peice of 5mm steel tube which I plan on welding some tags too and putting it up in the tunnel.

most hoops I've seen have been way oversized.. and then get all bashed up from speedbumps. You can buy hoops off the shelf at american auto parts shops. Too big though imo.

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Wouldn't you be able to make the "loop" out of flat strap steel if you put it up the front near the gearbox where the driveshaft does not need to travel vertically??

That way it won't hange down more than 6-7mm benetah the floor.

Thats what ive done. Mine is basically over the universal. The shaft does still move a bit but not hugelly. I didnt want the weight of the diff hanging on the dshaft up front when I jacked the ass up and left the wheels hanging.

Mine hangs down about 20mm max. Other shit scraps, not the loop.

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All I can find on the LTSA website is:

6.7 Suspension and drive line

6.7(1) The suspension must be strong enough for reasonably foreseeable conditions of loading and operation.

6.7(2) A passenger service vehicle must be designed, constructed and maintained so that no excessive body sway will occur which is likely to adversely affect the steering stability.

6.7(3) Axle-stops, shackles, or similar devices must be maintained within safe tolerance of their original condition.

6.7(4) Devices to protect against drive-shaft failure must be maintained within safe tolerance of their original condition.

There is probably a Low Volume Vehicle standard that I have not found.

I am asuming that the question is related to road use. If the application is for motorsport then the regulations are clear in Schedule A of the MSNZ manual (which is also online).

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I have a 2 piece drive shaft and only had to use 1 loop at the front universal. This may not apply to all though as my middle joint sits in an old x-member which is thick as and the floor pan above this has been reinforced with 6mm plate steel. Would act as a loop in itself.

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