A vane effort: Camryn Schon, squatting at center right, and his team from Sacajawea Middle School urge his team’s car onward, pulled along by a string connected to a windmill, during a competition Monday at Gonzaga University. Approximately 170 eighth-grade students from six Spokane public schools took part in the competition, sponsored by Spokane MESA (Mathematics, Engineering, Science Achievement) Center.