M & J Drives reduced size?????????

[Vidgar]

Hi All,
Where do you find the rules governing M & J drive having a reduce size ?????????

 

[Condottiere]

Page seventy, High Guard updated.

 

[Reisender]

High Guard(2016):
"Primitive and Advanced Spacecraft" page 48/49.

 

[CordwainerFish]

And in 2022, it's Customising Ships, pp. 70-72.

 

[CrispyGM]

That's a lotta question marks!

 

[Vidgar]

Found it thank all