[modeleng] Injector selection

Hi there All,

What is the general opinion on what size of injector to fit to what type 
of locomotive?

Looking at the different common sizes out there:-

* Number 2 (11 UK fluid oz water/min)
* Number 3 (16 UK fluid oz water/min)
* Number 4 (22 UK fluid oz water/min)
* Number 5 (2.7 UK pints water/min)
* Number 6 (4 UK pints water/min)
* Number 8 (1 UK gallon water/min)

...is a number 2 injector too large to fit to a 2.5" gauge locomotive?

Do many people fit two injectors, to allow for the differing needs of 
continuous running and end to end running?

I tried searching on the 'interweb', but unusually seemed to draw a blank 
- am I just looking in the wrong places?


Yours,


Rich.
PS Given the sometimes global nature of our discussions, if it helps...

1 US f.oz = 29.6 ml
1 UK f.oz = 28.4 ml
1 US gal = 3.79 l
1 UK gal = 4.55 l
1 UK pint = 568ml = 1.20 U.S. liquid pints = 1.03 U.S. dry pints

PPS Why does no-one seem to make a number 1 injector?
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