Can be compared with the Estes B4, butwith a higher peak trust.

For the rocket that need a bit more push at the start. Or two stage rockets that need more spreed a burn out of the first stage.

B18-0

Dia 16.3mm

length 42mm 

impulse 4.92 N/sec

peak trust   17.3 N

Trust time   0.9 sec

fuel mass  6.2 gram

These  engines are made in Poland for many years. And now Cavemanrocketry will take them to the rest of europe.

The engines come in two types black powder and composite.

These engines will give you the best bang for the buck you can imagine.