[modeleng] Re: Where are you all?

I have been trying to find a couple of hours to rebuild my Sweet Peas drain 
cock linkage. I know the weather is crap so we can't go out bu err indoors 
has found me soooooo much to do, I think I need a week off work just to do 
the chores!!

If any of you are interested, the Severn Valleys Sept Gala is looking good, 
where else can you see a Dukedog, City of Truro, 2 manors, large and small 
praries, a diminutive 813 amd finally some GWR bucket called a King!!  Oh 
Yeah, Spare engine is a proper design, the Stanier Mogul, probably pull that 
King backwards...... That is unless the SVR fitters have sorted the valves 
out!!

Dave.


----- Original Message ----- 
From: "Shep" <shep.28@xxxxxxxxxxxx>
To: "Modeleng" <modeleng@xxxxxxxxxxxxx>
Sent: Wednesday, September 17, 2008 11:56 AM
Subject: [modeleng] Where are you all?


> Hello everyone.
> Where are you all - on holiday - or beavering away in the workshop? 
> There have been very few messages this month.     Please send us some 
> chat.
>
> I have been slowly progressing with the construction of my little lathe - 
> finished the leadscrew and the clasp-nut mechanism.   I am now rigging up 
> a car wiper motor at the tailstock end of the lathe, to drive the 
> leadscrew via a belt.    The idea is to be able to vary the speed of the 
> leadscrew, whilst actually turning.     I am using a 12V DC battery 
> charger as a power source,  but found it difficult and expensive to locate 
> a suitable robust speed control - eg a wire-bound rheostat.    I then 
> attacked the problem in a different way, and interposed a mains lamp 
> dimmer which I had in stock, between the mains power source and the 
> battery charger.    This works a treat, and gives a smooth variable-speed 
> drive.   Problem solved at no cost!
>
> Next problem: the geared screw-cutting mechanism - a tight design on a 
> lathe with a 2" centre height!
>
> Cheers!  from Hubert in autumnal St Albans.
> MODEL ENGINEERING DISCUSSION LIST.
>
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