ENT: Regeneration might fix a plot hole in Voyager.

[Deks]

That doesn't explain why they needed the Ent-E's deflector to send a signal. Plus the Vinculum thing they invented for voyager that connects all the ships to the collective.

Probably because the deflector was the only thing on a Federation ship capable of channeling massive amounts of power (which would likely be needed for a Borg transmission to actually reach the Delta Quadrant in any appreciable amount of time and convey a message without much/any degradation).

In Regeneration, the Borg who assimilated the Transport ship had to work with 22nd century technology (slowly transforming and upgrading it - which it did) but otherwise had 24th century knowledge.
Its part of the reason they were able to even send off a transmission to the Delta Quadrant which also degraded.
Subspace communications are much faster than that in the 24th century off the bat, but the transport ship wasn't still upgraded to match 24th century... most of its baseline was 22nd century and new systems were being created

The Vinculum brings order to chaos on a Borg cube... I'd imagine that on the Enterprise-E, the Queen essentially served that function (which IS technically one of her functions) - hence, there would be no need for a Vinculum there (plus, the Borg haven't had a chance to spread through the rest of the ship and didn't have computer control, so, a Vinculum wouldn't have been needed as of yet, or at all for as long as the Queen was there).

 

[Timo]

The events conclude in the UFP being born, which leads to the Borg attacking Earth and then sending the Sphere to the past. So what we witness is a loop, and apparently a random iteration of it.

So during the preceding n iterations, the help from LaForge and Barclay gradually transformed a stupid nonfunctional contraption into a warp engine which LaForge and Barclay then would read about in history books and thus proceed to repair, that is, build...

(Might be the warp engine never works at the start of a loop, of course: Cochrane has not tested it yet, after all, this requiring a space launch and all! But the loop dictates that our heroes interpret random bent copper tubes as "damaged warp coils" and then "fix" them.)

Timo Saloniemi