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Johnb's Recent Activity

  1. Johnb odgovara u temi Bahamas.

    Maybe it isn’t which is why I used the term future proof

    22. Lipanj 2026. u 16:32

  2. Johnb odgovara u temi Bahamas.

    I didn’t know that, I’ve always assumed that the faster action was because of the additional brake pressure

    22. Lipanj 2026. u 16:04

  3. Johnb liked LMS2968's post in the thread Bahamas.

    The different air / vacuum (air pressure in reverse) are compensated by the use of bigger cylinders for a vacuum system so equalising the brake effort. A vacuum brake can be just as effective as an air system although slower acting, hence the...

    22. Lipanj 2026. u 16:01

  4. Johnb odgovara u temi Bahamas.

    Vacuum brakes certainly are effective, less complicated and easier to maintain than a two pipe air system although less efficient as the maximum braking force is limited to atmospheric pressure, about 15psi I think. The air brake train pipe is...

    22. Lipanj 2026. u 14:30

  5. Johnb liked pete12000's post in the thread Bahamas.

    We also have a Facebook page with pictures showing progress on the overhaul.. And of course a shop Shop - The Bahamas Locomotive Society any income from sales or donations helps with the overhaul or why not join us?

    22. Lipanj 2026. u 09:46

  6. Johnb odgovara u temi Bahamas.

    Technically fitted with an air pump and combined brake valve for working air braked trains, the engine and tender will still be steam braked. I understand that the air pump will be located out of sight between the frames rather than under the...

    22. Lipanj 2026. u 08:47
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