Instructions Trailer Tr4 MkII
These building instructions make you build "Trailer Tr4 MkII” a fully brick build motorized and Infra Red remote controlled scale model resembling a three axle detachable gooseneck lowboy trailer with liftable third axle.
The trailer features: solid axle suspension on all axles, kingpin, mechanical parking break, gooseneck frame support, remotely controlled liftable third axle, remotely lowering and lifting of the deck and this model has many details.
PDF --_----- Downloadable PDF file building instructions
Printed ----- Spiral bound printed building instructions
With this type of lowboy trailer the gooseneck is removed to make the deck accessible. Because the front part of the trailer rests on the surface the truck with the gooseneck still attached can drive off. In order to keep the gooseneck elevated at the correct hight is as a support. This support rests on the trucks frame.
The ramps can be lowered and any self propelled load can enter the trailers deck. With the trailer loaded and the load secured the gooseneck can be reattached. This is done by backing up the truck aligned with the trailer. With a support that rests on the trucks frame the gooseneck can be lowered of lifted to make sure it comes in place. Finally the deck can be lifted again and the gooseneck can be locked so it doesn’t go anywhere without the trailer itself.
This particular build can hold loads up to 2,5 kg so it's fun to have it on display with huge LEGO® Technic sets!