Re: Steam Loco design questions

[keithm@commslab.gov.au (Dave Malcolm)]

In article <1e1f8ay.1xltcdo14bhudoN@adrian.ee.adfa.edu.au> a-whichello@adfa.edu.au (Adrian Whichello) writes:
>Subject: Re: Steam Loco design questions
>From: a-whichello@adfa.edu.au (Adrian Whichello)
>Date: Wed, 17 Nov 1999 16:02:43 +1100

>Ben O'Regan <ben@NOSPAMFORemiratespark.com.au> wrote:

>> 
>> What's hammer blow?

>The belting the track cops due to the weight of the crankpin/big end/
>connecting rod etc. swinging up and down as the driving wheels go round.
>It's only partially compensated by the balance weights on the wheels,
>since the cranks are 90, not 180 degrees out of phase.


>> 
>> And while I'm at it, what is the purpose of the dish-like mouldings at the
>> outer end of the buffer beams on 38 & 60 class (possibly also the 59s as
>> well, can't remember off the top of my head right now). Was it something to
>> do with the buffer beams being cast?

>For pole shunting. I think all the cast steel bed locos have it, so it
>may be more of an American thing. Was it ever actually used here?

It is an american thing, I don't think it was ever used here.

Dave Malcolm

>--
>Dr A.P. Whichello                               Phone: +61 2 6268 8191
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