Yeah. The 10mm motors got all the glory for the lower power events.

But some countries' scale teams were hampered at times trying to use European made D, E, & F type black powder motors that often went "ka-boom". Or had very poor performance, not enough thrust. Things started to shift when at some WSMC, a couple of spare Aerotech E or F engines suitable for scale were given or traded to another country's team (possibly Poland), for their scale fliers to use. I think perhaps the next time, some were arranged in advance by request, but am not sure.

And the other countries saw how well the Aerotech engines worked, so finally some of them started to get their own...somehow (Sierra Fox Hobbies is in Italy and ships all over the place. So maybe thru them, maybe more directly. They also sell Estes engines). And I know there have been Aerotech and Estes engines sold in the UK.

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