Well this morning I received my new L-rider Lambo in the mail. Charged the batteries up, screwed my mini nova on and had a little play with it. When I unscrewed my nova from the unit the centre pin of the LT came away attached to the nova and the spring sprang off in some random direction. After frantically searching for the spring and removing the pin, I have reattached them to the LT. However now the pin falls out if the unit is turned upside down without a nova attached, and keeps coming off with the nova when I unscrew it. Is this a common problem and as there any quick fixes? I have emailed the seller and awaiting a reply from them but thought I'd pick your brains in the meantime!