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James Wright August 16 2008 04:40 AM

Navigational Defletor?
 
What is the smallest navigational deflector used on any federation starship class?

JDW

Major Chord August 16 2008 04:48 AM

Re: Navigational Defletor?
 
Well, if you mean smallest 'visible' nav deflector, that honor would probably fall to the Miranda or Constellation classes, which, I believe have no visible deflector. As for smallest visible, shuttles maybe, but your guess is as good as mine.

JuanBolio August 16 2008 04:57 AM

Re: Navigational Defletor?
 
What the_andorian said.

You know, JDW, I noticed in the photon torpedo thread that you ask question after question with out ever so much as a please or thank you, or even a reason for asking. To quote B'Elanna Torres... "You're rude."

Timo August 16 2008 08:04 AM

Re: Navigational Defletor?
 
Just to add information not asked for, the smallest nav deflector we have seen has not been aboard a starship. The VOY shuttlecraft (never given a canonical type designation, but sometimes called Type 9 in backstage material even though intended to be Type 12 by designer Sternbach) has a tiny deflector notch on top of the nose, looking pretty much the same as the mothership's auxiliary unit.

Timo Saloniemi

Vorik August 16 2008 01:41 PM

Re: Navigational Defletor?
 
Quote:

Timo wrote: (Post 1950391)
Just to add information not asked for, the smallest nav deflector we have seen has not been aboard a starship. The VOY shuttlecraft (never given a canonical type designation, but sometimes called Type 9 in backstage material even though intended to be Type 12 by designer Sternbach) has a tiny deflector notch on top of the nose, looking pretty much the same as the mothership's auxiliary unit.

Timo Saloniemi

He is correct I do believe in one episode of Voyager when the shuttle crash lands they use the deflector, that was attatched to the nose, to help send a signal to voyager, I'm sure what I just posted is not 100% accurate but it is late and I'm tired but it was foremost in my mind.
:)
D A N N Y

R’cher August 16 2008 02:09 PM

Re: Navigational Defletor?
 
Quote:

JuanBolio wrote: (Post 1950084)
You know, JDW, I noticed in the photon torpedo thread that you ask question after question with out ever so much as a please or thank you, or even a reason for asking. To quote B'Elanna Torres... "You're rude."


Some people are like that without the intent of being rude, they just come across that way. Granted, a please and thank you is nice but evidently not necessary to get a response.

”Muy cumplidos!

James Wright August 19 2008 02:34 AM

Re: Navigational Defletor?
 
Please, can someone tell me if the OBRETH class has a navigational deflector?
Thanks!
JDW

R’cher August 19 2008 02:55 AM

Re: Navigational Defletor?
 
probably. I mean, any vessel traveling at warp would have to have a deflector. Could be that theirs was deployed from a forward-facing bay door or something.

Major Chord August 19 2008 03:20 AM

Re: Navigational Defletor?
 
Quote:

JDW wrote: (Post 1959902)
Please, can someone tell me if the OBRETH class has a navigational deflector?
Thanks!
JDW


I'd assume that the Oberth's deflector was similar to that of the Miranda and Constellation, using emmiters placed around the ship. No visible dish ( that could well be just a big sensor dish, or subspace tranciever,placed between the deflector emmiters to gain additional range or something), but still, the thing has to have a deflector, otherwise a piece of space debris the size of a Cheerio could make a hole in the hull the size of your head.

Trekker4747 August 19 2008 03:48 AM

Re: Navigational Defletor?
 
There's four little windows just forward of the Captain's Yacht on the -D which represents the saucer's deflector. That's the first thing that came to my mind short of small ones we've seen on some shuttles or the missing ones on some ships.

Timo August 19 2008 08:54 AM

Re: Navigational Defletor?
 
Whether those windows are deflectors (as retconned by documentarists Okuda and Sternbach) or just windows (as intended by designed Probert) remains to be established in canon. But we might well assume that a deflector can be operated without any telltale glow, given that the Miranda and for example Kirk's TOS ship lack such a glow altogether.

On the Oberth, there are two obvious locations for a forward-projecting device: the square, lit opening at the bow of the saucer, and the grey dome on top of the lower hull. The latter looks a lot like the "radomes" of the real world, thin radiation-transparent covers shaped to provide protection against external forces such as weather. The three quarter-domes around the Constitution-refit dish, or the two domes on Miranda hull and one on the torp pod, also feature this smooth grey finish that could indicate a radome.

Timo Saloniemi

Deks August 19 2008 10:00 AM

Re: Navigational Defletor?
 
If I may chime in:

U.S.S. Voyager had 2 deflector dishes.
The large one featured on all Federation ships, and a smaller one on the upper part of the saucer section.

It is possible that both have navigational functions (the main one is referred to being a navigational deflector in a Voyager episode where it encounters a Borg cube with 5 children) and that the upper one on the saucer section is one of the smallest we witnessed.
At least when it comes to star-ships.
Then again, you have even smaller examples of star-ship classes like Sabre whose deflectors are also small.

But the absolute smallest would in fact be the one on shuttle-crafts.
It's a main deflector dish which means it's also a navigational deflector.
For some reason though the writers decided to often use the term 'main deflector dish' instead of 'navigational deflector'

shipfisher August 19 2008 11:28 AM

Re: Navigational Defletor?
 
I've never made any friends here postulating this, but nav deflectors should really only be needed for high sublight speed by my take on things. At warp you're in subspace, which is a realm so divorced from our "normal" space that some entities live in subspace domains exclusively (in a TNG episode some out there may remember) and "subspace mines" can be hidden from most 24th century sensors. I'm not comfortable with the warp fields of FTL ships hoovering up space debris as they go except for what ever got hauled into the field as it first formed. A situation where an FTL beam, fired out beyond the local field of an FTL ship, has to interact with matter in normal space seems a little counter-intuitive to me, for what good my intuition is on the subject. Things like EM radiation and gravitational fields still affect ships at warp - I'm sure warping straight into a planetary or stellar grav well ends badly, but by collapsing the warp field before any physical collision.

Any on screen scenarios contrary to what I've postulated here would be gladly received - re-thinking this stuff is never a bad thing.

As for the size, shape and geometry of any deflector dish/gear, it would understandably vary on different ship series depending on intended mission profiles. The smallest ones would probably be on some probes.

Timo August 20 2008 08:36 AM

Re: Navigational Defletor?
 
Well, ships at warp have seldom been shown interacting with physical matter - but we do see that even at warp, a ship cannot exactly fly through a planet or a star, and we do hear warp ramming suggested in "BoBW II".

Presumably a warp field only takes a ship "so far" into subspace, not "all the way down". Perhaps the higher the field strength, the deeper the immersion, so that a ship at warp 9 might be more transparent to the physical world than a ship at warp 2? Still, there probably remains enough physical interaction that a collision with a micrometeoroid is an equally bad idea at warp 2 and warp 9.

FWIW, the "warp streaks" would be nicely explained as being interactions of the warp field and the interstellar dust impacting on it...

Timo Saloniemi

shipfisher August 20 2008 10:57 AM

Re: Navigational Defletor?
 
Your premise that warp fields don't take ships "all the way down" into subspace does make sense Timo. On considering this, an FTL graviton beam, directed along a subspace trench (as I remember deflector dish operational descriptions), swatting interstellar bits and pieces aside isn't any harder to swallow than most trek tech, although on a related note, I'd have more difficulty accepting that the bussard collectors work at warp speeds.

I hadn't heard of the "warp ramming" reference before. Would that be a sort of subspace kinetic energy weapon?


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