302317 - Engine Adapters Standard to D

Quick Overview
Two simple steps transform a standard engine into a D size.
Insert a standard engine into the adapter, and insert the adapter
into a rocket. 3 adapters per pack. Reusable.

Description
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.