1 1/2 Inch Allchin

1 1/2 Inch Allchin

This topic has 4 replies, 2 voices, and was last updated 21 October 2011 at 18:25 by JasonB.

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21 October 2011 at 17:35 #76602
Ryan Curnow
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@ryancurnow14196
Hi Guys

I am completly new to all this, I am a quilifed mechanical engineer and wish to build a Allchin and was wondering what tools are need if I use casts. Also how is the funnel connected to the boiler is it bolted?

Thanks
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21 October 2011 at 17:35 #2725
Ryan Curnow
Participant
@ryancurnow14196
21 October 2011 at 17:54 #76603
JasonB
Moderator
@jasonb
It is possible to do the Alchin on just a lathe inconjunction with a vertical slide for the milling operations and just a bench mounted drill along with a range of hand tools.

However you will find it a lot easier with a small milling machine, something like an X2 would likely cope but don’t hold me to that, an X3 size will definately do it.

The chimney saddle is rivited to the smokebox though you could use unslotted roundhead screws with nuts from the inside. The smokebox in turn is rivited or screwed to the end of the boiler.

Its worth getting a copy of W.J.Hughes’s book on building this engine as it shows a lot of the machine setups, based on just using the lathe.

The Alchin is a very detailed design a 1″ or 2″ Minnie would be a lot simpler, also I would suggest you try a small stationary engine first to see how you get on and to learn how to use the machines and get the correct fit and finish on parts.

J

Edited By JasonB on 21/10/2011 17:58:22
21 October 2011 at 18:04 #76604
Ryan Curnow
Participant
@ryancurnow14196
Thanks J

Another stupid question lol , but is it not possiable to buy all the parts and just assemble it? Like from reeves or will there be piece I will have to make?

Thanks Ryan
21 October 2011 at 18:25 #76606
JasonB
Moderator
@jasonb
You will have to make a considerable number of parts either from raw castings, bar or sheet metal. Probably 1000-1500 hours work. All the parts from Reeves need work on them from simply drilling a hole or two to completely machining.

If you want a bolt together kit then have a look at Steam Traction World and even then you need to do a bit of fettling as well as painting. Their 2″ Burrell would be the nearest to an Alchin

J
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