[PRCo] Re: New PCC truck

[Fred Schneider]

Although my name isn't Boris, there were some compensating trucks  
built with radial axles never under the auspices of the Transit  
Research Corporation.

On May 26, 2008, at 4:17 PM, Phillip Clark Campbell wrote:

>> ----- Original Message ----
>> From: TEP <tompark at telus.net>
>> To: pittsburgh-railways at dementia.org
>> Sent: Monday, May 26, 2008 12:49:31 PM
>> Subject: [PRCo] Re: OT: Comprehensive LRV show
>>
>> I've attached a picture of the PCC derived truck but the video at  
>> 250MB
>> is too big to post. The ballpark quote was around half a million  
>> per car
>> --oops make that $600,000 to allow for the fallen US dollar. The  
>> quality
>> and durability has improved from the Soviet era but is still not to
>> Western standards.
>>
>> /Tom Parkinson P.Eng, Vancouver BC Canada 604-733-5430, fax -5437/
>>
> http://lists.dementia.org/files/pittsburgh-railways/SPBogie.jpg
>
> Mr.Parkinson:
>
> This appears not unlike the LATL B1 but adapted for standard gauge  
> with the biggest difference being springing over the axles like the  
> B2.  The frame is rigid like the B1 isn't it so the B2 torque arms  
> are not needed and the spring pot is singular like the B3 instead  
> of dual.  Axles are open abut gearing is obviously enclosed isn't  
> it.  Does the bolster bolt or similarly attach to the car body?  Is  
> there separate springing at the motor mounts?  Should this be  
> designated the B1-2-3?(:--)>  Thank You for this photo.
>
> Mr.Cefer:
>
> Is there compensation in PCC trucks for turns on sharp radii?  The  
> actual linear distance traveled on each rail is different isn't it  
> - shorter on inside rail than outside.
>
>
> Phil
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