With a month of time to build the entire wooden structure, the early 19th century steam yacht, gas fuel, V-cylinder reciprocating steam engine, boiler volume of 420cc, the total volume of the cylinder 3cc, propeller diameter copper 5 leaf 50mm, working time of 20 minutes, with restructuring, can be reversing, with a four-channel, throttle, commutation, rudder! Another siren can be installed servos.
