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 B6-4 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 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...