Saw a triaxle trailer where the lift axle was the middle one. Why would you spec this configuration? Surely it would cause more drag on the font and rear axle when turning, it reminded me of a tandem axle spread axle.
Could be many reasons, most probably due to an axle fault, meaning it needed to lifted to get it back to a workshop. We had to do it to one of ours a couple of weeks back.
Was it a standard tri?
I saw a Dutch flower truck, where the trailer was a triaxle but they were spread out further apart than normal. When he came to take the tight turn into Smithfield Market, the middle axle lifted and the rear steered.
alterego:
Saw a triaxle trailer where the lift axle was the middle one. Why would you spec this configuration? Surely it would cause more drag on the font and rear axle when turning, it reminded me of a tandem axle spread axle.
Maybe to keep the pivot point in the same place?
Lifting the front axle makes for a longer effective wheel base. Lifting the rear increases tail swing. Lifting the middle keeps it the same.
Just guessing, mind.
Was it a rear steering axle?
alterego:
Saw a triaxle trailer where the lift axle was the middle one. Why would you spec this configuration? Surely it would cause more drag on the font and rear axle when turning, it reminded me of a tandem axle spread axle.
I used to drive a Merc MP4 pulling a Schmitz that had a similar set up running on 3,2 or 1 axles, it could if you wanted, be configured so the primary lift axle would be the middle axle followed by the rear when running empty, it maintains weight distribution on the rear of the trailer should you be loaded under the axle load limit but to the back doors.