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Author Topic: Manky's Pop.  (Read 2317401 times)
snafu
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« Reply #3090 on: May 09, 2011, 07:13:32 PM »

It's the caster angle that sets the steering centring, not hard to setup on a beam axle, usually just shimming. ; Grin

Similar to trail on a bike.

http://www.simpsonmotorsport.co.uk/uploads/files/SuspensionSetup.pdf
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Manky Monkey
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« Reply #3091 on: May 09, 2011, 07:47:22 PM »

We haven't even changed the engine oil since I bought the motor so who knows what's lurking in there.
Caster angle was set up by Valley Gas Speed Shop when they built the basic chassis shape for us. It's 7 degrees, which is apparently fairly standard on rods. We've got taller rear wheels than front ones though, which gives the truck a slightly nose down stance & probably doesn't help.
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snafu
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« Reply #3092 on: May 09, 2011, 07:54:35 PM »

Just needs a final tweak when it's finished and ride height finalized then  Grin
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spanners
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« Reply #3093 on: May 09, 2011, 07:55:44 PM »

i built a fordson major tractor with a v8 perkins turbo diesel in it it meant stretching the side frame,s and remounting the front axle

i didnt worry too much about the castor angle  oh boy was i wrong  but  lucky  it steered perfect and vary easy/light   going forward  but very heavy and an absolute bar-steward when trying to reverse or tight manuvore,,
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Clive
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« Reply #3094 on: May 10, 2011, 09:35:33 AM »

Jimmy's not there until Thursday Andy, so I'm going to pop back up then!!
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« Reply #3095 on: May 10, 2011, 09:41:16 AM »

That's good of you Clive. Thank you. I haven't visited them since they moved from Newbury to Andover so not seen their new unit yet.
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Clive
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« Reply #3096 on: May 10, 2011, 03:01:00 PM »

It's cooooooooooool!!!
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« Reply #3097 on: May 10, 2011, 09:59:13 PM »

So have they got a new resident airbrush artist Clive?
I treated myself to a day off from the workshop yesterday to recover from the transport festival on Sunday. Back to normal today though & I thought I'd make a start on mounting the radiator expansion tank Chevy Rick so kindly donated. I wanted to recess it into the bulkhead to make it less obtrusive, so started by picking a spot as high as it would fit, (it needs to be above the radiator filler neck), drawing round it & cutting it out with the angle grinder till the tank dropped in.
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« Reply #3098 on: May 10, 2011, 10:04:13 PM »

I then made up a new sheet steel piece below the tank, to continue the line of the existing bodywork.

Looking at the photos now though, I'm not sure it looks right off set like that. I might re-make the panel to move it over to the outside edge of the engine bay to make the raised section of the bulkhead symetrical. Bugger.
« Last Edit: May 11, 2011, 10:29:13 PM by Manky Monkey » Logged

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« Reply #3099 on: May 10, 2011, 10:12:55 PM »

Anyway, although the tank fills the hole I've cut, it won't be waterproof -rain will get in behind it & into the cab. So I had to make a recessed box for it to sit into. 
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« Reply #3100 on: May 10, 2011, 10:16:21 PM »

That will be welded into the bulkhead, then the tank will sit into it & be held with a stainless steel strap across the front ...or maybe I'll move it over a bit.
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spanners
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« Reply #3101 on: May 10, 2011, 10:57:50 PM »

Thats a lot of work just to replace a simple strap type bracket that the header tank would/should have had.
« Last Edit: May 11, 2011, 10:45:30 PM by Manky Monkey » Logged

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« Reply #3102 on: May 11, 2011, 06:36:14 AM »

It'll still have the strap across the middle Mike. I just wanted it to look a bit tidier. The back of the tank's rounded so doesn't sit very well against a flat bulkhead.
« Last Edit: May 11, 2011, 10:44:51 PM by Manky Monkey » Logged

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Firery Fred
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« Reply #3103 on: May 11, 2011, 06:34:23 PM »

That box you made looks like an army mess tin,made of ally so light,just a thought  Wink
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« Reply #3104 on: May 11, 2011, 10:02:20 PM »

 Smiley Yeah, we said the same thing Fred. Can't weld aluminium to steel though & the off-cuts were in the scrap bin, so free.
By the time I got to the workshop today I'd decided I wasn't happy with the raised centre section of the bulkhead being off-set to one side. I think it should be symetrical. So it was straight out with the angle grinder to chop it back out. I ended up cutting the whole raised bit out.
« Last Edit: May 11, 2011, 10:49:52 PM by Manky Monkey » Logged

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