fabricated steering shaft


The old and reliable.

Yard Art
Yard Art

Posts: 62

Joined: Wed Aug 02, 2017 11:17 am

Post Tue Mar 20, 2018 11:01 am

fabricated steering shaft

From my KB-7 cab to my Chevy C-40 running gear. Used a Volvo telescoping shaft. It seems to work nicely.
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steering shaft.JPG
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Golden Jubilee
Golden Jubilee

Posts: 4922

Joined: Thu Nov 29, 2012 11:47 am

Location: Bothell, Washington

Post Tue Mar 20, 2018 11:03 am

Re: fabricated steering shaft

Good deal
Gentle Men! you can't fight in here! This is the war room!
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Golden Jubilee
Golden Jubilee

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Post Tue Mar 20, 2018 3:50 pm

Re: fabricated steering shaft

That's thinking outside the box , I mean frame .

Golden Jubilee
Golden Jubilee

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Location: Lyman, IA

Post Tue Mar 20, 2018 8:27 pm

Re: fabricated steering shaft

Ok, I don't have the answer, so just throwing this out. I am concerned about the length of the "stub" shaft coming out of the box before the U joint. My thinking is: the shaft is unsupported where the U joint is, and this could cause flexing and possible breaking in time.
Every shaft with U joints have the joints very close to the point where the shaft is supported, On steering shafts, this means the U joints are at the box and at the lower bearing in the steering column.
On high speed drive shafts this prevents "whip" of the shaft, on a steering shaft it would prevent the stub shaft from bending on hard input.
I've never seen a flex joint that far from support on a steering shaft.

Golden Jubilee
Golden Jubilee

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Location: Canada's left Coast

Post Tue Mar 20, 2018 11:31 pm

Re: fabricated steering shaft

I have the answer. Your design is good and it should work just fine.
I would rather have tools I do not need than to need tools I do not have
Thinking risks being controversial and possibly being offensive

Rusty Driver
Rusty Driver

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Joined: Tue Apr 25, 2017 11:03 am

Post Wed Mar 21, 2018 11:07 am

Re: fabricated steering shaft

nikkinutshop wrote:I have the answer. Your design is good and it should work just fine.



Agree.
1947 KB-2
1952 Morris Minor MM (RHD)
1984 Mercedes Benz 380SL
2000 BMW 528i (240,000 Mi.)
1979 Benelli G2 Moped (39 Mi.)

Golden Jubilee
Golden Jubilee

Posts: 5171

Joined: Thu Nov 29, 2012 9:28 pm

Location: Lyman, IA

Post Wed Mar 21, 2018 9:19 pm

Re: fabricated steering shaft

OK, I just have never seen one with that much of a stubshaft sticking out un supported. The buses had a miter box, but those all had the U joint close to the miter box which had a bearing and a short shaft, or a close coupled miter box. All others I have been around have the U joint very close to the bearing in the steering box, which is why I brought it up.

Golden Jubilee
Golden Jubilee

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Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Wed Mar 21, 2018 9:32 pm

Re: fabricated steering shaft

I hope there is a safe amount of spline inside the slip joint.
I would rather have tools I do not need than to need tools I do not have
Thinking risks being controversial and possibly being offensive

Pile of Parts
Pile of Parts

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Joined: Tue Aug 30, 2016 2:59 pm

Post Fri Mar 23, 2018 2:00 pm

Re: fabricated steering shaft

At first I thought it was a pretty clever idea/installation. But, I have to agree with Cornbinder89, the u joint and shaft doesn't have any support. My second concern is the length of the spline shaft that is exposed, leaving little inside the hollow shaft. Remember this is your steering and you don't have a backup system, I don't want you to get hurt.

Okay that's my two cents.

Golden Jubilee
Golden Jubilee

Posts: 8937

Joined: Thu Dec 27, 2012 12:45 pm

Location: Canada's left Coast

Post Fri Mar 23, 2018 4:33 pm

Re: fabricated steering shaft

When all else fails it is a good idea to go to the experts for advice. Two persons guessing and posting what they "believe" to be true. will add to the level of bunk house BS that is way to prevalent on all forums. . http://www.flamingriver.com/index.php/n ... ing-system
Another very good free schooling in these steering designs is your local auto recycler.
I would rather have tools I do not need than to need tools I do not have
Thinking risks being controversial and possibly being offensive
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