Estes 18mm Standard Engines

The Estes 1/2A6-2 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 2 ounces, including the engine. Each engine size is...

The Estes A8-0 standard (18 mm) engine is a booster stage type of engine (red label) that is used in combination with an upper stage engine for flying a two stage model rocket. This engine is designed for flights in rockets weighing less than 3 ounces,...

The Estes A8-3 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 3 ounces, including the engine. Each engine size is designated...

The Estes A8-5 standard (18 mm) engine is an upper stage type of engine (purple label) that is used for flying a model rocket. This engine can also be used as a single stage engine in lightweight rockets. Each engine size is designated by a letter and is...

The Estes B4-2 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 4 ounces, including the engine. Each engine size is designated...

The Estes B4-4 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 3.5 ounces, including the engine. Each engine size is...

The Estes B6-0 standard (18 mm) engine is a booster stage type of engine (red label) that is used in combination with an upper stage engine for flying a two stage model rocket. This engine is designed for flights in rockets weighing less than 4 ounces,...

The Estes B6-2 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 4.5 ounces, including the engine. Each engine size is...

The Estes B6-4 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 4 ounces, including the engine. Each engine size is designated...

The Estes B6-6 standard (18 mm) engine is an upper stage type of engine (purple label) that is used for flying a model rocket. This engine can also be used as a single stage engine in lightweight rockets. Each engine size is designated by a letter and is...

The Estes Super C is back! Reintroducing the Estes C5-3 engine – 50% increase in maximum thrust over a standard C engine and the punch you need to propel those heavier model rockets off the pad. The Super C is a great choice for larger birds and...

The Estes C6-0 standard (18 mm) engine is a booster stage type of engine (red label) that is used in combination with an upper stage engine for flying a two stage model rocket. This engine is designed for flights in rockets weighing less than 4 ounces,...

The Estes C6-3 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 4 ounces, including the engine. Each engine size is designated...

The Estes C6-5 standard (18 mm) engine is a single stage type of engine (green label) that is used for flying a model rocket. This engine is designed for flights in rockets weighing less than 4 ounces, including the engine. Each engine size is designated...

The Estes C6-7 standard (18 mm) engine is an upper stage type of engine (purple label) that is used for flying a model rocket. This engine can also be used as a single stage engine in lightweight rockets. Each engine size is designated by a letter and is...

These Quest Q-Jet composite propellant model rocket motors are manufactured by AeroTech Consumer Aerospace with one goal in mind and that is to give you more! Q-Jets generate a highly-visible exhaust plume and delay smoke trail. The Q-Jet A3-6 would be a...

These Quest Q-Jet composite propellant model rocket motors are manufactured by AeroTech Consumer Aerospace with one goal in mind and that is to give you more! Q-Jets generate a highly-visible exhaust plume and delay smoke trail. The Q-Jet B4-4 would be a...

These Quest Q-Jet composite propellant model rocket motors are manufactured by AeroTech Consumer Aerospace with one goal in mind and that is to give you more! Q-Jets generate a highly-visible exhaust plume and delay smoke trail. The Q-Jet B4-6 would be a...

These Quest Q-Jet composite propellant model rocket motors are manufactured by AeroTech Consumer Aerospace with one goal in mind and that is to give you more! Now you can bring that rocket to new heights! Q-Jets generate a highly-visible exhaust plume...

These Quest Q-Jet composite propellant model rocket motors are manufactured by AeroTech Consumer Aerospace with one goal in mind and that is to give you more! Now you can bring that rocket to new heights! Q-Jets generate a highly-visible exhaust plume...