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Joined: 16-02-19

Topics: 2

Replies: 1

Posted: Tue 12th Mar 2019, 8:09pm

Will an injector feed a boiler along a 24inch length of pipe between injector and clack I know that the shorter the distance the better.

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Joined: 1-01-92

Topics: 25

Replies: 318

Posted: Tue 12th Mar 2019, 8:56pm

Possibly, but it may depend on how straight (or not) the pipe is, and how big a pipe, and injector. There are probably too many variables to be able to say with any certainty, suck it and see I'm afraid. Try to have a plan 'B' if possible. An additional check valve close to the injector might also help, but conversely might also prove a step too far. I think you've gathered it's rather a tall order.


Joined: 1-01-89

Topics: 9

Replies: 169

Posted: Wed 13th Mar 2019, 7:54am

It will if you have the right size. Many 7¼" gauge locos' boilers are longer than that and their clacks are at or near the front and injectors are under the cab. I posted a link to an injector size calculator recently on this forum. My new loco, pictured recently on the gallery, has about four feet between injectors and clack valves. Here's the link again
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