The Silhouette was Bill's first scratch-built custom car, and was entered into the 1963 Grand National Roadster Show, winning first prize.
Hot Wheels models of The Silhouette.
Gerry Anderson fans have an interest in The Silhouette too. The plastic kit of the Silhouette did feature in several Thunderbirds episodes.
Here's a few screen grabs of the many appearances of The Silhouette in Thunderbirds,
Parts of the kit turned up in other places too. Notice the Silhouette's bubble shaped windscreen covering the cabin at the front of the Master Elevator Car from episode,' Trapped In The Sky'.