[Spridgets] trailer tire pressures

[derf]

The links you posted are for car and/or truck tires.
Trailer tires are different.  You may be one of those who chose to put
passenger car tires on a trailer.

Here is a brief explanation of some differences:
http://www.serroscottycamperenthusiasts.com/files/whybuytrailertires.pdf

Here is a little info on trailer tires where they recommend max
pressure on the sidewall.  I would use whatever the trailer tag
specifies.  If no info is available on the trailer, then I woule go
with max sidewall pressure.
http://www.discounttire.com/dtcs/infoTrailerTireFacts.dos