[PRCo] Re: PRCo

[Boris Cefer]

We have a few grades nearly 6 % in Ostrava and our cars have no problems. I 
am also an expert on this and I can prove that.
By the way, the manufacturer of TATRA T3 car claims that its shaft brakes 
are capable to hold a fully loaded car (that means 150 passengers!) on a 8 
or 9% grade (I do not have the book by hand and I am not certain which 
figure is correct). What does this say?

I understand your comments

<VBG>

B

----- Original Message ----- 
From: "Fred Schneider" <fwschneider at comcast.net>
To: <pittsburgh-railways at dementia.org>
Cc: "Jackson Russ" <rejmhj at netzero.net>
Sent: Tuesday, May 22, 2007 8:07 PM
Subject: [PRCo] Re: PRCo


> This is impossible Boris.   You know those technically sophisticated
> Germans tell us that the limits of adhesion for trolleys is about 6
> percent and beyond that you need a rack.   Even some American
> engineers today seem to think that you cannot go beyond 6 percent on
> adhesion.   They command big bucks so they must be correct.
>
> This data must all be fabricated.   And if you try to prove it, I'll
> bet all the U. S. Geologic Society maps are all lies.   The contour
> lines are all figments of someone's imagination.
>
> <BG>
>
> The only thing that makes me believe the values are correct is that I
> climbed those hills when I was a young man of 12, 13, 14, 15, and on
> into my early 20s long before heart disease, overweight and arthritis
> was a problem and they were still damn steep.
>
> f3
>
> On May 22, 2007, at 1:00 PM, Boris Cefer wrote:
>
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>>
>> It seems the subject of the jerky operation of 1711 somewhat =
>> evaporated...
>>
>> But there is an interesting chart which I got from Russ Jackson.
>>
>> Boris
>>
>>
>> -- Attached file removed by Ecartis and put at URL below --
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>> -- URL : http://lists.dementia.org/files/pittsburgh-railways/Pgh%
>> 20Grades.jpg
>>
>>
>>
>
>
>
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