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low-friction shock action
Fully proportional electronics
But they often took many hours to assemble with glue and tape and required significant modifications to achieve more performance and capabilities
Please see image for instructions
Estes Pro Series II Model Rocket Engine (2) (29mm) - EST1698 Redline T8 GEN3 4030 low-friction shock actionEstes E16 8 Pro Series II Model Rocket Engine. This engine is a great option for an upper stage engine on a model rocket or as a single stage engine. Maximum lift weight is fourteen ounces with a maximum thrust of over five pounds! Package includes two engines, two starters and four starter plugs. Specifications Length: 4. 5in (114mm) Diameter: 1. 14in (29mm)Weight: 2. 99oz (84. 8g)Total Impulse: 33. 68 N secTime Delay: 8secEstimated Max Lift Weight: