[modeleng] Re: sprockets
- From: "Eric Walker" <eric@xxxxxxxxxxxxxxxxxxxxxxxxxx>
- To: <modeleng@xxxxxxxxxxxxx>
- Date: Wed, 1 Sep 2004 00:25:36 +0100
It was roughly 1in -1ft. The chamber being 7in wide, it should have been at
least 70in long to have been to scale. It was in fact 36in plus 6in each end
for the canal, the limiting factor was the size of the car. I could post a
photo.
E.W.
----- Original Message -----
From: "Terry Lane" <tel@xxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Tuesday, August 31, 2004 10:09 PM
Subject: [modeleng] Re: sprockets
> What scale Ec?
>
>
> > I built & displayed a canal lock last September at Ironbridge for a BBC
> > program on industrial inventions with Adam Hart Davies. The program was
> > shown over 6 weeks during the autumn.
> >
> > E.W.
> > ----- Original Message -----
> > From: "alanjstepney" <alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
> > To: <modeleng@xxxxxxxxxxxxx>
> > Sent: Monday, August 30, 2004 10:56 PM
> > Subject: [modeleng] Re: sprockets
> >
> >
> > > That sounds like an interesting project.
> > >
> > > I reckon that the lock is one of those jobs that appears tricky at
first
> > > glance, but once you come to think about it, a real simple solution
will
> > > present itself.
> > >
> > > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> > >
> > > www.alanstepney.info
> > > Model Engineering, Steam Engine, and Railway technical pages.
> > >
> > > ----- Original Message -----
> > > From: "Terry Lane" <tel@xxxxxxxxxxx>
> > > To: <modeleng@xxxxxxxxxxxxx>
> > > Sent: Monday, August 30, 2004 9:07 PM
> > > Subject: [modeleng] Re: sprockets
> > >
> > >
> > > Thanks Richard - yes, the diameter is a bit flexible & that would be
big
> > > enough. To make the problem a little clearer (?) this wheel is wanted
> for
> > > the drive system under a HO scale canal. One big sprocket at one end
> under
> > > the turning pool, two smaller ones at the other - ditto, & a couple of
> > idler
> > > wheels to hold everything in shape (coming down the narrow central
canal
> > > section) The chain carries a series of rare earth magnets that pull
the
> > > barges along thru' the water.
> > >
> > > We did have the whole system operating on cable drive with MDF pulleys
> (on
> > > spring arms for tensioning) but the customer wants to revert to his
> > original
> > > concept of chain drive.
> > >
> > > Once we get all this sorted it's back to getting the working lock to
do
> > just
> > > that (work). And they wonder why men drink????
> > >
> > >
> > > > Hi Terry,
> > > >
> > >
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