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Is it possible to connect more than 3 solid fuel engines at a time?

So I was wondering if it was possible to ignite more than three rocket engines at the same time on the same rocket with a common ignition lead. I know it's probably possible, but would like to know how to do it and is it safe. Thanks in advance!


mikeasaurus2 months ago

Wiring up several engines into a single ignition isn't hard, but they probably won't all engage at the same time making a smooth lift off impossible. Also, failure rate here is high which makes it dangerous to try.

Better to investigate multi-stage rockets, where a secondary engine starts when the first engine is spent. You'll get more height this way.

Or you can just put a bigger motor in it.