Engine Adapter 18/24 (Estes)
Use to fly an 18mm Engine in a Model with a 24mm Mount. Insert a standard engine into the adapter then insert the adapter into a rocket. 3 adapters per pack. Reusable.
Most rockets weighing up to 4 ounces that would normally fly on C11 or D12 engines can be flown on B and C engines.
Most rockets weighing up to 4 ounces that would normally fly on C11 or D12 engines can be flown on B and C engines.