What are some of the common mistakes to avoid when working with white metal in scale modelling ?

White metal, also known as pewter or spelter, is a popular material used in scale modelling for its durability and fine detail. However, working with white metal can be challenging, especially for beginners.

To help avoid some common pitfalls, here are some mistakes to steer clear of when working with white metal in scale modelling :

• Not cleaning the metal properly : White metal often comes with a thin layer of oil or release agent to prevent it from sticking to the mould. Before starting work on a model, it is crucial to clean the metal thoroughly using a mild detergent or degreaser. Failing to do so can lead to poor adhesion of paint and other finishing materials.

• Rushing the assembly process : White metal models typically come in multiple parts that need to be assembled. It is important to take plenty of time and carefully dry-fit the pieces before applying any glue. Rushing the assembly process can result in misaligned or poorly fitting parts, which can be difficult to correct later on.

• Using the wrong adhesive : White metal models require a strong adhesive that can bond the metal parts securely. Epoxy or cyanoacrylate (super glue) are commonly used for this purpose. However, it is important to choose the right adhesive based on the size and weight of the parts being glued. Using a weak adhesive can lead to parts coming loose or breaking off.

• Neglecting to prime the surface : White metal has a smooth surface that can be difficult for paint to adhere to. To ensure a smooth and even finish, it is essential to prime the surface before painting. A primer will not only improve paint adhesion but also help to fill in any imperfections in the metal surface.

• Overlooking the need for proper ventilation : When working with white metal, it is important to have good ventilation of the workspace. Some adhesives and primers can release fumes that may be harmful if inhaled. Make sure to work in a well-ventilated area or use a fume extractor to remove any potentially harmful vapours.

• Skipping the step of cleaning up flash and mould lines : White metal models often have flash or mould lines, which are excess metal or seams left over from the casting process. It is important to carefully remove these using a file, sandpaper or a hobby knife. Skipping this step can result in a less refined and realistic-looking model.

By avoiding these common mistakes, a modeller can enhance their white metal scale modelling experience and achieve better results. Remember to take plenty of time, follow the instructions carefully and enjoy the process of bringing the model to life.