The old way to determine if a tyre was correctly laden was to load the
trailer and rub a chalk line across the tread, drive in a straight(ish) line
for a few hundred yards and have a look at the line across the tread. Worn
in the middle - too high, worn at the edges too low. Worn away, driven too
far - not worn, drive further!
I'd try starting at 35- 40psi.
Another way was to drive the car and trailer a few miles then feel the
temperature of the tyres on car and trailer. They should feel about the
same, if they're hotter the pressure is too low.
Too high a pressure will make the trailer bounce about and can cause
skipping whilst braking and cornering.
If the tyres are a max 50psi, IMHO it sounds as if they are car tyres and
not trailer tyres. They usually have a higher max pressure and are a
sturdier construction.
Guy R Day
----- Original Message -----
From: "Philip Nase" <nases@verizon.net>
To: "Spridgets@autox.team. Net net" <spridgets@autox.team.net>
Sent: Friday, July 15, 2011 3:26 PM
Subject: [Spridgets] trailer tire pressures
> I'm getting ready to load up the Sprite. The trailer is tandem axle with
> e-brakes. The load I'm carrying will be 1500 lbs give or take. Anyone
> know
> what tire pressures I should be running. The tires are new and have 50lb
> psi
> max pressure cold. I've towed before but only a lightweight sailboat.
>
> Thanks. See you Spridgeteers that are going to WI on Sunday afternoon.
> Jane
> and I are traveling with the Clarici Clan and Larry Macy in his MIni. (I
> drove that thing last Sunday, it's sweet.)
>
> Phil Nase
> Quakertown, PA
> http://home.comcast.net/~philnasecpa/
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