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From: i.mitchell@ic.ac.uk
Date: Fri, 23 Feb 96 09:31:27 GMT
Subject: Africa Expedition

Hi all

Replied in person to Ed O'Brien's letter concerning his expedition.
Thought I would also send a letter to the list as the subject may be of
interest to some.

____________Beginning of included letter ___________

Hi Ed,

Saw your note on the list and read it with interest. I am planning to
drive to Uganda this summer. Myself and my wife (to be) are going to be
working in a school in a village near Kampala. We are planning to drive
to Uganda in a LWB SIII full of stuff for the school.

As far as equipment goes, we are planning on taking a diesel because I
have been told that it is more plentiful and cheaper than petrol.
Preparation will hopefully include a reconditioned gearbox and engine
and replacement of the leaf springs (as the suspension will probably
take one hell of a battering). The diffs should probably be overhauled
as well. I don't know if this is going 'over the top'
or not.

Desirable equipment would include a high lift jack, a winch of some
sort, somewhere to sleep (a roof top tent?- lots of pennies).  You
mentioned shipping to Mombassa. Do you know how to arrange this and /
or how mch it costs? It would be rather desirable as it would mean
avoiding all the trouble spots in N. Africa.

I will also send a copy of this to the list. It would be good if we
could get a general Africa bound thread going as I am after much the
same info.

Keep in touch.

Ian

_____________End________________________

Any hardened/Armchair expeditioners out there with advice / comments?

Have fun.

Ian

------------------------------

Date: Fri, 23 Feb 1996 09:11:13 +0000
From: Ian Robinson <ian@fourx4.demon.co.uk>
Subject: Re: relays

In message <1A8EFB1DD6@qmwcc5.qmw.ac.uk>, E D O'BRIEN <bt5179@qmw.ac.uk>
writes
>Does anyoneknow where I can lay my grubby paws on some 12V relays, 
>suitable for running halogen headlights and powerful horns and so on 
	 [ truncated by lro-digester (was 7 lines)]
>work better if I used relays. Is there a kit or something that I can 
>get, or do I need to make up the circuitry myself?
The best I've found is the Lucas 6RA realy which is housed in a sealed
metal case as opposed to the flimsy plastic box type which allows the
contacts to be vulnerable to the atmosphere which leads to unreliability
over time. They're expensive but you'll find that you only need to do
this job once with these.

Call or private EMail if you'd like more details

Regards, Ian
                Forest Landrovers' 4 x 4 Centre
                Royal Forest of Dean, Glos, UK
                +44 (0)1594 822606/(0)402 000132

------------------------------

Date: Fri, 23 Feb 1996 09:40:14 +0000
From: Ian Robinson <ian@fourx4.demon.co.uk>
Subject: Re: Road Tax for vehicles 25 ye

In message <312CA6F5.5094@tcp.co.uk>, David Olley at New Concept
<newconcept@tcp.co.uk> writes
>JAMES O-SHEA wrote:
	 [ truncated by lro-digester (was 12 lines)]
>vehicle is exempt?
>Our own Council run car parks have a rule that if you are not displaying
>a valid disk, then they will slap a =A320.00 fine on the vehicle. This, of=

>course, is gross profiteering, and they may as well fine us for having a
>dirty car, or one that is painted in a tasteless colour, since Car Tax
>is nothing  to do with the Local Council.

I should give your local councillors some stick over that one, it's not
on.

However, all vehicles have to display a valid tax disc. The difference
with the over 25's is that they are exempt from fee and not from disc.
Therefore they still have to be insured and MOTd in order to get a disc
at the post office as normal but it will show 'nil' or 'exempt' in the
amount box.
Regards, Ian
                Forest Landrovers' 4 x 4 Centre
                Royal Forest of Dean, Glos, UK
                +44 (0)1594 822606/(0)402 000132

------------------------------

Date: Fri, 23 Feb 1996 09:05:50 +0000
From: Ian Robinson <ian@fourx4.demon.co.uk>
Subject: Re: Problems

In message <15274.9602211236@loki.brunel.ac.uk>, me92pem@brunel.ac.uk
writes
>I have just fitted a temp. gauge to my S11 complete with voltage reg.  While the 
>heater
	 [ truncated by lro-digester (was 15 lines)]
>still in
>place.
Hi,
Firstly please do me a favour and trim the length of your wordwrap 'cos
you're a 'bit wide'.

I always try to solve problems of this nature by the cheapest first
method. Is your guage working; take the sender directly to earth and
ensure that the guage runs full travel. Is the 'new' guage the correct
one for the vehicle ? Install a new sender (the correct one for a 2.25
diesel) and compare the results.

Next look at the thermostat; although it gives the impression of either
'cold' or 'hot' in reality the guage only measures a few degrees (about
10-12). You may find that you are running a 74' stat and your friend is
running an 82' stat.
>Also would the 750x16R tyres make any difference to the turning circle?  I have 
>them fitted on LWB rims that are offset towards the inside allowing the swivels 
	 [ truncated by lro-digester (was 8 lines)]
>well
>in comparison anyway!!!
Yes. But you can improve things with correct geometry. Remove the drag
link and track rod completely and with each wheel 'loose' set your axle
stops so that the outer rim of the tyre misses the springs by about 1".
Whilst at this assess the pull required to move each of the 'loose'
wheels around the swivel travel by placing a spring balance in the
vacant track rod arm. It should be 13 - 14 lbs once the initial inertia
has been overcome; if its out remove swivel pin shims to correct.
Replace the track rod and visually (unless you can rig up some sort of
crude measuring device) set the tracking to VERY slightly toe in then
check that both wheels move freely to their respective stops.

Next the drag link adjustment. Remove the steering link off the idler
and centre the steering box. With the steering box in it's centre
position adjust the sterring box to idler link so that when you replace
it onto the idler it sits at 90' to the vehicle (i.e. in line with the
front cross member), but don't replace it yet. Now set the drag link
length so that with the wheel in the dead ahead position it sit about
10' to the right of the straight ahead position. Replace the steering
link arm onto the top of the idler, tighten everything, and spin on a
Land Rover designed sixpence :-)
Regards, Ian
                Forest Landrovers' 4 x 4 Centre
                Royal Forest of Dean, Glos, UK
                +44 (0)1594 822606/(0)402 000132

------------------------------

From: Mike <MIKE@vrsolns.co.uk>
Date:          Fri, 23 Feb 1996 13:52:09 BST
Subject:       Re: missing theremostats

I am afraid I do not understand nor accept the pseudo-scientific 
"theory" which has been put forward.

As all qualified engineers know, theory is always accompanied by some 
mathematics and if I can find some time shortly I will come up with 
some.

In the meantime I will leave you all a few thoughts to ponder:

The temperature rise of the coolant due to passing through the engine 
is inversely proportional to the flow rate.

The temperature profile of the coolant as it passes along the 
radiator is approximately an exponential decay aiming for ambient. 
The flow rate determines how much of this decay is present before the 
coolant exits the radiator.

Temperatures which have been mentioned, around 100 degC into the 
radiator, are high for normal engines. the coolant only experiences 
these temperatures in the region of maximun heat transfer in the 
cylinder head and it is for this reason that the system is 
pressurised.

The cooling is considerably greater than suggested - try feeling the 
temperature along (down) your radiator.

Further complications arise due to the effects of the by-pass system 
which provides hot water for the vehicle interior heater, on some 
systems for heating inlet manifolds and on occasions for oil coolers. 
Perhaps the reason for restriction plates is to ensure an adequate 
flow through the by-pass. 

It should be noted that if any particular molecule of water is in a 
particular region for a shorter time it is there more often!

Judging by some of the addresses, there should be some engineer, 
physicist or mathematician out there who can come up with an equation 
linking coolant temperature to flow rate - in the steady state, lets 
not worry about delays and transients.

================================
Mike Gavins
VR Solutions Ltd
University Road
Salford
M5 4PP
United Kingdom
  Tel: +44 161 745 7384
  Fax: +44 161 745 8264
Email: m.gavins@vrsolns.co.uk
================================ 

------------------------------

From: Mr Ian Stuart <Ian.Stuart@ed.ac.uk>
Date:          Fri, 23 Feb 1996 17:01:21 +0000
Subject:       looking for an Overdrive

I'm in the market of an overdrive for a series III.

I'm looking at 200 - 250 quid and I'll want some form of comeback if 
it's busted on arrival (I've seen too many people buying knackered 
overdrives and having to kiss the cash goodbye..)

Anyone got one kicking around?

     ----** Ian Stuart (Computing Officer)        +44 31 650 6205
Royal (Dick) School of Veterinary Studies, Edinburgh University. 
 <http://www.vet.ed.ac.uk/> or <http://www.tardis.ed.ac.uk/~kiz/>

Quote of 1996: "A.L.S. is a good example of scotissityness"

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