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Old 10-06-2017, 04:01 AM   #26
Jack
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Quote:
Originally Posted by culberro View Post
Extrusions are generally straight, how the heck do they get the 90deg bends on the ends?
First you extrude then you bend
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Old 10-06-2017, 04:38 AM   #27
John242Ti
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Originally Posted by Råda View Post
I think the US version were heavier
If I remember correctly, it's mainly the shock that's the difference. The face bar is the same, but 1974-80 European cars had lighter-duty shocks. The 1986-93 US bumpers use the 1975-85 US/CDN commando bumper shocks, but with modified flanges where the face bar mounts to them. So, I've started referring to those as plastic commandos, since, dead-on, they're almost as strong as the early bumpers, but they have the plastic cover, instead of the rubber strips and the bar itself is thinner gauge. They also don't have any side protection.

-J
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Old 10-06-2017, 10:35 AM   #28
culberro
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Quote:
Originally Posted by Jack View Post
First you extrude then you bend
That tight of a radius and having a lip with no distortion?
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Last edited by culberro; 10-06-2017 at 12:03 PM..
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Old 10-06-2017, 11:53 AM   #29
Jack
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Quote:
Originally Posted by culberro View Post
That right of a radius and having a lip with no distortion?
Your continual questioning reached the end of my knowledge so I called the motherland using "Dail a Sweed." 17 out of 20 people I talked to said that since it's been more than 33 years since the last Cömandö bumber was made they could tell me. It turns out children as their kindergarten thesis all over rural Sweden and Norway hand to hand carve 10 of these bumpers or would be sold to the Russians. Boys made the front bumpers and girls, should go without saying, made the rear.


Edit: if you press *5#16*240 at the end of that number it still works

Last edited by Jack; 10-06-2017 at 12:00 PM..
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Old 10-06-2017, 12:04 PM   #30
culberro
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^Hahaha. Thanks for that.
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Old 10-06-2017, 07:21 PM   #31
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Drawn over a mandrel would be my guess after they make the extrusion.
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Old 10-06-2017, 10:36 PM   #32
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the end of my knowledge
You're on a roll, Jack
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Old 10-07-2017, 09:29 AM   #33
Redwood Chair
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Looks like 7000 alloys were cold set back in the day.

http://www.thefabricator.com/article...ratures-part-1
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Folks on here don't know a good deal when they see it.
how psi a stock can support?

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