The Hornet Starter. Don’t let the size fool you, this little hand held starter can really pack a punch. For small airplane engines to .12 size, the 12V Hornet features a high RPM motor, heavy duty bronze switch and a reversible silicone drive adapter. It is easy to hold with smaller hands and ideal for Cox® and Norvel® size engines. Constructed of glass filled nylon and has a machined aluminum cone with a silicone insert. Comes with alligator clips pre-attached. 12 VDC operation, maximum 25 amps. Uses Sullivan replacement silicone adapter #S622. No. S598.