Oh for Pete's sake people, you get basic FTL propulsion free with the hull. There, simple, done, find something else to nitpick.
Why? This is as good a flaw as any other. Yep, there are plenty in this game, so any single one is as good as the others

There has been a lot of nitpicking already, there'll always be. Why shouldn't this particular issue be nitpicked?!
A good reason to build a ship wtihout an engine is that the DA engines take up a lot of space,
Yet another reason to make this an issue.
Because it defies the logic of the game.
Thing is, there's little logic to the game, and that's why these issues keep coming up.
The fact is, everyone has hyperdive capability from the start.
The opening screen of every games states:
...
Earth creatures have shared the schematic for a useful Hyperdrive engine...
This doesn't automatically mean that *everyone* got the schematics.
Get over it. Everybody - and that includes Minor races - starts out equally when it comes to Hyperdrive capable ships.
Equally is a bad word. Some races actually start better (Ion Drive) than even the humans. Another "glitch".
The first propulsion tech has a description of:
Well, since you can't play a minor, how is this relevant?
But all ships have basic hyperdrive capability to start with.
When designing a ship, you choose a *hull*. Engines are not part of the hull, they're seperate entities.
It is built into the design, hence the +1 speed of hulls that do not have a better engine installed.
So when you build an advanced ship with better engines you still get the basic engine as a bonus?