Ryan FR-1 Fireball (oz13121)

About this Plan

Ryan FR-1 Fireball. Rubber scale model fighter.

Planfile includes detailed build instructions.

Note this model (in tribute to the full size prototype) is designed to have a dual-power arrangement - in this case, rubber and rocket.

Quote: "Flying the Fireball: The plane should be adjusted for smooth glides before applying power. First fly with the rubber motor only until you have the ship in trim. Now for a real dual power flight. Insert the rocket in it in its tunnel and wind the rubber motor. One person must hold the plane in his right hand and with his left, hold the propeller from turning. The second person carefully engages the gun on the rocket unit. The person holding the plane give the signal to fire the gun and then launches the plane in a normal manner. The breath-taking climb that follows will give you a new thrill in model flying (Guns are obtained at your dealer).

Concerning the Rocket Units: These and similar units have been in general use for many years. They are used in syphon bottles to prepare carbonated beverages and in aerators to whip cream. They are also used by the armed forces to inflate life belts. The units contain carbon dioxide gas (CO2) under pressure. This gas is non-poisonous and will not burn. Care should be taken, however, to see that they are not exposed to excessive temperatures as this will increase the internal pressure, possibly to the bursting point. These units are not to be refilled with explosive or inflammable materials."

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