0-EST1504 Estes 1/2A3-4T Mini Engine <p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">The Estes 1/2A3-4T engine is single stage engine designed for model rocket flight. This engine is a mini engine designed for flights in lightweight rockets.</font></p>
<p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">Each package includes 4 engines, 4 starters and 4 starter plugs.</font></p>
<p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">Specs<br>
Motor: 1/2A3-4T <br>
Stage Type: Single<br>
Length: 1.75 in. <br>
Diameter: 0.5 in. </font></p>