Vertical boiler design

Vertical boiler design

This topic has 8 replies, 5 voices, and was last updated 3 October 2021 at 22:32 by noel shelley.

Viewing 9 posts - 1 through 9 (of 9 total)

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3 October 2021 at 14:39 #28374
Dave Breeze
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@davebreeze37281
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3 October 2021 at 14:39 #565353
Dave Breeze
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@davebreeze37281
Does anyone know of a design for a vertical boiler about 6" dia and preferably top-firing?

I'm building an own-design model of a Sentinel shunting loco in 7.25" gauge.

Dave.
3 October 2021 at 14:59 #565360
noel shelley
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@noelshelley55608
Reeves do or did a 6" vertical boiler design, but bottom firing. Noel
3 October 2021 at 15:10 #565361
Brian Baker 2
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@brianbaker2
greetings Dave, have a look at K N Harris's book "Model Boilers and Boilermaking", which has several designs for vertical boilers, and I think Martin Evans did one designed for injector testing. published in ME, a while ago.

Regards

Brian B
3 October 2021 at 16:42 #565381
noel shelley
Participant
@noelshelley55608
It might be worth looking up the steam tractor designed by John Haining and published in ME back in the 90s.. Verticle boiler but not sure of the firing. Noel.
3 October 2021 at 16:49 #565383
Howard Lewis
Participant
@howardlewis46836
Could you produce a smaller version, suitably modified, of the Sentinel boiler?

It was reckoned to be a very effective and efficient steam raiser.

The original design was intended to provide ease of maintenance.

Howard
3 October 2021 at 18:58 #565417
Dave Breeze
Participant
@davebreeze37281
Thanks for the suggestions. There is a 5" gauge Sentinel design called Sirena in Model Engineer in the early 60's, so I could scale that up, but I guess I'm looking for something requiring minimal modification as the boiler tester I'd have to work with never seems keen on any sort of changes to boiler designs.

There's also the boiler of the 2" scale Clayton wagon design. In theory my loco is about 2" scale too, but the Clayton boiler seems very small compared to the loco.

Dave.
3 October 2021 at 21:25 #565441
Durhambuilder
Participant
@durhambuilder
There is the 3” Ray Prime Atkinson waggon as supplied by Reeves which would be a fair bit larger than the 2” Clayton, don’t think it top fired though.
3 October 2021 at 22:32 #565445
noel shelley
Participant
@noelshelley55608
The calculations for a boiler are fairly easy and if your boiler inspector is not willing to accept nornal practice I would consider joining a club where the inspector is properly able to fill his role – and understands it ! I also had a boiler inspector who thought he knew better than published designes – I left the club ! Noel
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