Estes A Motors

Designation Type Diam Impulse
¼A3 single-use 13 mm 0.6 Ns
½A3 single-use 13 mm 1.1 Ns
½A6 single-use 18 mm 1.1 Ns
A10 single-use 13 mm 2.5 Ns
A3 single-use 13 mm 2.5 Ns
A8 single-use 18 mm 2.5 Ns

These are only those currently available; use this query to include motors now out of production.