Steam boiler

Steam boiler

This topic has 5 replies, 4 voices, and was last updated 19 August 2021 at 18:46 by nigel jones 5.

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19 August 2021 at 09:51 #558900
Arthur Goodwin
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@arthurgoodwin45738
Hi all

I have built a little vertical boiler to power my Stuart Victoria.

Have had it running using 3/16 diameter copper pipe but my steam pressure drops rapidly.

Would I be better using smaller tube? Also i have invested in a ceramic burner (minus jet and feed pipe) the reccomended jet isa number 5 with an orifice of 0.02 mm.

Why is it so important when the fuel then immediately post orifice goes into a large chamber. Just wondering if anybody can enlighten me.

Regardd
Advert

19 August 2021 at 09:51 #28314
Arthur Goodwin
Participant
@arthurgoodwin45738
Piping diametet
19 August 2021 at 10:04 #558905
JasonB
Moderator
@jasonb
Depends on what you term a "little" boiler as it may simply be that the boiler cannot keep up with the demand of the engine

Stuarts list their 504 boiler as only suitable for running the Victoria for "display" , this is a 3.5" dia x 10" long boiler, how does that compare size wise with yours?

Shape of the burner causes a venturi effect and draws in air that mixes with the fuel so it will burn cleanly and efficiently

Edited By JasonB on 19/08/2021 10:05:29
19 August 2021 at 10:07 #558908
noel shelley
Participant
@noelshelley55608
You say nothing of the size of boiler ! As I found to my cost you need a much bigger boiler than one would think and quite some heat to get things to work for more than a few seconds ! I ran a ST No 1 on a pressure cooker with 1Kw heater it only Just ran. The pressure cooker Hi, all 3 weights is 15psi for those who want a cheap test boiler, remove the rubber grommet and T valve and fit a brass elbow to pipe up. Good luck. Noel
19 August 2021 at 18:00 #558998
Arthur Goodwin
Participant
@arthurgoodwin45738
Hi

Thanks for your prompt reply.

My little boiler is indeed too small being only 3 inches by 7 inches (oddment of tube in my workshop).

It was nice to see it running though, albeit for a short time.
19 August 2021 at 18:46 #559008
nigel jones 5
Participant
@nigeljones5
With a bore of 1" and a stroke of 2" you will need a lot of steam. A customer bought two of our 5" diameter boilers to run a ham radio generating set running twin Victoria engines which worked well. **LINK**
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