| 摘要 |
A model or toy vehicle of the jet propelled type employing a rapidly vaporizing liquid propellant of the chlorofluoromethane type, commonly known as Freon. The vehicle may be of the airplane or rocket type, and includes a barrel for holding a charge of the propellant which is allowed to vaporize and is discharged through a jet at the rear end of the barrel. Means is provided for allowing the escape of air and the bleeding off of vapor during the charging of the barrel with liquid propellant preliminary to the launching of the craft.
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