[modeleng] Re: [modeleng] Re: [modeleng] Re: [modeleng] 3½ versus 5

  • From: "Jem Harrison" <Jem.Harrison@xxxxxxxxxxxxxxx>
  • To: <modeleng@xxxxxxxxxxxxx>
  • Date: Wed, 28 Sep 2005 10:50:27 +0100

Interesting....Evening Star is big for a 3½ engine!

Thanks for this.

Best wishes,

Jem
----- Original Message ----- 
From: "Clif Walker" <clif.gwr@xxxxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Monday, September 26, 2005 12:42 PM
Subject: [modeleng] Re: [modeleng] Re: [modeleng] 3½ versus 5


> Hi,
>
> I think that the main difference between 31/2" and 5" is, are you going to
> run on a raised track or ground level?.
> Whilst 31/2" is OK when run on a fence, it is pretty hopeless on ground
> level, although some modellers do it.
> My first venture into live steam was a 31/2" Evening Star. Whilst I was
> building it other members of my club, which is ground level kept saying 
> that
> it was too small. I just did not believe them as the loco looked so big on
> the bench. On it's first steaming the whole loco just seemed to disappear
> into the ground.  I converted to 5" pretty quick and the Evening Star has
> sat on top of a bookcase ever since.
>
> Whilst 5" may seem a large step up in machining, in practice by selecting
> the right loco to model it is not so far. Without actually checking , I
> reckon that the driving wheels on a 31/2" Brittania are probably about the
> same diameter as a 5" gauge tank loco like a Pansy and the overall amout 
> of
> engineering work is probably the same. The only real difference may come 
> in
> the Boiler and even then the boiler on a 31/2" Evening Star is about the
> same size again as a 5" Pansy.
>
> When it actually comes down to driving a 31/2" loco then the fun starts as
> some models have boilers with almost no steam capacity, which does tend to
> sort the men from the boys, but does not make for easy driving.
>
> You pays your money and takes your choice,but overall I think that 5" has
> more going for it.
>
> Regards
> Clif
>>>
>>> I want to get started on a locomotive.  Until recently I reckoned that I
>>> would tackle something in 3½-inch gauge, but the vast majority of the
>>> received wisdom has advised against this size.  So, what I would be
>>> interested to read on this discussion group is your views for and 
>>> against
>>> 3½-inch and 5-inch gauge, oh and while we are about it, we could add
>>> 2½-inch gauge.
>>>
>>> Best wishes,
>>>
>>> Jem Harrison
>>> Basildon
>>>
>>>
>>> MODEL ENGINEERING DISCUSSION LIST.
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