Estes Standard to D Engine Adapter

Estes Standard to D Engine Adapter (3 sets) Model Rocket Accessory.

Adapts D engine mounts to hold a standard engine.

NOTE: This motor adapter has been tested in products that use ESTES metal engine hooks. It may not work with other brands of engine hooks.

Rockets weighing up to 4 ounces that would normally fly on C11 or D12 engines can be flown on B and C engines.