Aviatronics Limited - Manufacturer of Aviastar model engines designed for large scale model airplane use. Hong Kong, China. B.H. Hanson - Makes gasoline engines for model helicopter, boat, plane, and car applications. USA. Conley Precision - Manufacturers 1/4 scale radio-controlled vehicles. Images and pricing provided for Cobra and 23 "T" bucket classic cars and associated V-8 engine and test stand. USA. Mathe Engines - Large-displacement gas engines for boat, airplane and cars. O.S. Engines - Line includes airplane, car and buggy, helicopter and boat engines. RCV Engines - Develop and design engines for aircraft models, motorcycles and small airplane. UK. Yien Bong Hardware Industrial - Manufacturer of racing engine for cars. Taiwan. Novarossi - Design, development and manufacturing of micro engines for cars and airplanes. Italy. Suppo Model - Manufacturer of Brushless motor and speed controller for RC airplane, helicopter, and boat.