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Injector testing

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Speedy Builder509/04/2020 15:34:08
1988 forum posts
139 photos

It may be some time before I have access to steam in sufficient quantities and pressure, but at the stage of making an LBSC injector for a 5" SPEEDY loco.

Is there a way of testing the injector without steam ??

Bob

Andrew Tinsley09/04/2020 16:16:47
1074 forum posts

Hello Bob,

In a word, no. You need steam so that it is able to condense and liberate energy which is transferred to the water. So compressed air will not work.

Best to find someone local with a boiler who would be willing to help.

Andrew.

Andrew Tinsley09/04/2020 16:16:48
1074 forum posts

Sorry, double posted!

Edited By Andrew Tinsley on 09/04/2020 16:17:47

Simon Collier10/05/2020 23:15:36
avatar
339 forum posts
55 photos

I just found this thread and urge Bob to read this:

http://modeleng.proboards.com/thread/10988/injector-design-musings

Speedy Builder511/05/2020 07:03:02
1988 forum posts
139 photos

Thanks for that Simon, quite a long read! I do wonder if it is worth making up a simple test boiler and burner, or just risk it all on testing with the finished loco.

AdrianR11/05/2020 07:50:55
448 forum posts
23 photos

A slightly off topic naive question. I just about know what an injector is.

Could you use an injector to feed a flash boiler? i.e. connect a coil of pipe between the inlet and out let of the injector, fill with water and heat the coil?

Adrian

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