EST1606 B6-4 Standard Rocket Engines (3)

Standard class single stage rocket motors sized 18 mm designed to deliver reliable and predictable thrust for model rockets weighing less than about four ounces including engine weight. Motors provide a balanced flight profile with a moderate total impulse and a built-in delay before recovery charge activation to help ensure reliable parachute or streamer deployment near peak altitude. Each pack includes multiple starters and plugs so flights can be prepared quickly and easily with widely used Estes launch gear. These motors are certified for hobby use in educational, club, and recreational launches when flown with recommended safety practices.

• includes three B6-4 engines plus four starters and four starter plugs for multiple launches
• 5.00 N-sec total impulse provides dependable boost for lightweight model rockets
• 4 second built-in delay supports timely recovery activation near apogee
• maximum lift weight around 4.0 ounces including engine for consistent flight performance
• 12.10 newtons peak thrust delivers solid altitude gain
• 18 mm diameter design fits most standard Estes and similar rocket kits
• suitable for beginner to intermediate flights, educational projects, and club flying