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Made in gb
Stubborn Dark Angels Veteran Sergeant






 Furyou Miko wrote:
It was designed for 30k. Name a skimmer in 30k other than the Land Speeder.

Considering that the title of the thread is "Xiphon Interceptor Rules for 40k" this isn't relevant.

Considering 40k we have eldar, tau, DE, and necrons who all regularly have skimmers.

The anti jink effect is also decent vs bikes, especially those T4 2W harlequin ones.

Lots of potential targets that the xiphon is just as effective against as flyers.
   
Made in gb
Stalwart Veteran Guard Sergeant




 Big Blind Bill wrote:

Damage in hull points
Vs AV12: xiphon 1.85, Fireraptor 1.7
Vs AV11: xiphon 2.3, Fireraptor 2.9
Vs AV10: xiphon 2.9, Fireraptor 4.2

I think your calculations are a bit off there.

Vs aerial targets, and assuming no jinking

Fire Raptor with Quad Heavy Bolters
VS AV10 = (7*(32/36)*(3/6))+(12*(32/36)*(2/6))+(4*(4/6)*(5/6)) = 8.89
VS AV11 = (7*(32/36)*(2/6))+(12*(32/36)*(1/6))+(4*(4/6)*(4/6)) = 5.63
VS AV12 = (7*(32/36)*(1/6))+(4*(4/6)*(3/6)) = 2.37

Fire Raptor with TL Autocannons
VS AV10 = (7*(32/36)*(3/6))+(4*(32/36)*(4/6))+(4*(4/6)*(5/6)) = 7.70
VS AV11 = (7*(32/36)*(2/6))+(4*(32/36)*(3/6))+(4*(4/6)*(4/6)) = 5.63
VS AV12 = (7*(32/36)*(1/6))+(4*(32/36)*(2/6))+(4*(4/6)*(3/6)) = 3.56

Xiphon Interceptor
VS AV10 = (2*(8/9)*(6/6))+(2*(4/6)*(5/6)) = 2.89
VS AV11 = (2*(8/9)*(5/6))+(2*(4/6)*(4/6)) = 2.37
VS AV12 = (2*(8/9)*(4/6))+(2*(4/6)*(3/6)) = 1.85


Vs aerial targets, and assuming jinking

Fire Raptor with Quad Heavy Bolters
VS AV10 = ((7*(32/36)*(3/6))+(12*(32/36)*(2/6))+(4*(4/6)*(5/6)))*(1/2) = 4.44
VS AV11 = ((7*(32/36)*(2/6))+(12*(32/36)*(1/6))+(4*(4/6)*(4/6)))*(1/2) = 2.81
VS AV12 = ((7*(32/36)*(1/6))+(4*(4/6)*(3/6)))*(1/2) = 1.19

Fire Raptor with TL Autocannons
VS AV10 = ((7*(32/36)*(3/6))+(4*(32/36)*(4/6))+(4*(4/6)*(5/6)))*(1/2) = 3.85
VS AV11 = ((7*(32/36)*(2/6))+(4*(32/36)*(3/6))+(4*(4/6)*(4/6)))*(1/2) = 2.81
VS AV12 = ((7*(32/36)*(1/6))+(4*(32/36)*(2/6))+(4*(4/6)*(3/6)))*(1/2) = 1.78

Xiphon Interceptor
VS AV10 = (2*(8/9)*(6/6)*(3/6))+(2*(4/6)*(5/6)*(3/4)) = 1.72
VS AV11 = (2*(8/9)*(5/6)*(3/6))+(2*(4/6)*(4/6)*(3/4)) = 1.41
VS AV12 = (2*(8/9)*(4/6)*(3/6))+(2*(4/6)*(3/6)*(3/4)) = 1.09
   
Made in gb
Prophetic Blood Angel Librarian




 the_Armyman wrote:
Poly Ranger wrote:
That's already been discussed above, I had not taken armoured ceremite into accout. However range is never an issue, if it would be in your fire arc anyway, all it needs to be is within 48". If it's not in your firearc the neither weapon would have been able to shoot at it anyway. So coming on before your opponents flier makes no difference to the comparison (aside from maybe the Xiphon having a more likely chance of being shot down).


Why in the world is range not an issue? You use it as an integral part of your points (since meltas ALWAYS get 2d6 pen) but no one else can mention it since it doesn't fit into your equations? It's also perfectly reasonable to think one flyer is not in a firing arc of another when going head to head with another flyer. We started this discussion that the Storm Raven was superior in every way to the Xiphon as an air superiority fighter. Has the discussion changed? The Xiphon is not a ground attack aircraft.

After 2 turns of shooting the SR has lost some of its firepower. The Xiphon will have lost all its firpower as it will very likely be dead and the game will be over for it.


Again, this is a fallacy you have constructed to validate the math in your favor.

I only compared to av12 for 2 reasons, firstly, any other value and a tl ac on the stormraven becomes mathmatically better than a tl lc.


You're right, mathematically better than one t-l lascannon. The Xiphon has two.

Secondly it was the first day of my holiday. I am a maths teacher - I did not fancy sitting down and working out the differences between the two for:
-Av10
-Av10 with jink/4+ cover
-Av11
-Av11 with jink/4+ cover
-Av12
-Av12 with 3+ jink (serp)
-Av12 with ceremite
-Av12 with ceremite and jink/4+ cover
-Av13
-Av13 with jink/4+ cover
-Av13 with ceremite
-Av13 with ceremite and jink/4+ cover
-Av14
-Av14 with jink/4+ cover
-Av14 with ceremite
-Av14 with ceremite and jink/4+ cover
-T5
-T5 with jink
-T5 3+/5++
-T5 3+/5++ with jink
-T6
-T6 with jink
-T6 3+
-T6 3+ with jink

Maybe you would like to?
I may oblige at a later date when I am more free.


Nope. You've proven your credentials as the math guy. I'm a random uneducated internet denizen consuming your invaluable time

Math hammer is a perfect (literally) method of comparing its damage output. However I also took into accout the higher durability and transport capacity of the raven when looking at effectiveness. The only real advantages the Xiphon gets are +1 to its jink (which ruins its firepower), and as Nevelon pinted out earlier, its DS potential to get rear shots.


Why is damage output the metric? Damage output is the metric because it's easy for math to do all the discussion for you. I like math. Math is important. But people use it as an infallible truth and smugly hide behind it to silence debate in 40K.


Range is not an issue in the comparison because if the opponents flier is not in the shooting arc of the multimelta it won't be in the shooting arc of the XRML either. Zero output is the equivalent of zero output so they would be equal. If it is in the arc of the flier, then it would have to be out of 48" for the MM not to be in melta range. If it is more than 48" away then yes range is an issue.

The durability of the Xiphon is a lot less, therefore on average it will go down sooner, hence it shoots in less turns, thus has less firepower over the course of games on average.

I was comparing 1 tl lascannon to 1 tl assault cannon and the other to 3 st8 ap2 missiles.

Maths is a perfect truth. When comparing damage output it does not lie. It gives a completely truthful comparison. I'm not being smug - I'm merely stating mathmatical facts. I didn't design the stormraven or the xiphon... what do I have to be smug about?
   
Made in us
Willing Inquisitorial Excruciator





Pittsburgh, PA, USA

ItsPug wrote:

Vs aerial targets, and assuming jinking

Fire Raptor with Quad Heavy Bolters
VS AV10 = ((7*(32/36)*(3/6))+(12*(32/36)*(2/6))+(4*(4/6)*(5/6)))*(1/2) = 4.44
VS AV11 = ((7*(32/36)*(2/6))+(12*(32/36)*(1/6))+(4*(4/6)*(4/6)))*(1/2) = 2.81
VS AV12 = ((7*(32/36)*(1/6))+(4*(4/6)*(3/6)))*(1/2) = 1.19

Fire Raptor with TL Autocannons
VS AV10 = ((7*(32/36)*(3/6))+(4*(32/36)*(4/6))+(4*(4/6)*(5/6)))*(1/2) = 3.85
VS AV11 = ((7*(32/36)*(2/6))+(4*(32/36)*(3/6))+(4*(4/6)*(4/6)))*(1/2) = 2.81
VS AV12 = ((7*(32/36)*(1/6))+(4*(32/36)*(2/6))+(4*(4/6)*(3/6)))*(1/2) = 1.78

Xiphon Interceptor
VS AV10 = (2*(8/9)*(6/6)*(3/6))+(2*(4/6)*(5/6)*(3/4)) = 1.72
VS AV11 = (2*(8/9)*(5/6)*(3/6))+(2*(4/6)*(4/6)*(3/4)) = 1.41
VS AV12 = (2*(8/9)*(4/6)*(3/6))+(2*(4/6)*(3/6)*(3/4)) = 1.09


Just a few points:

1. How are you getting the second sponson/turret to contribute shots against a flyer? Drawing line of sight through your own hull?
2. You can only fire 4 weapons per turn, so tacking on 4 missile shots plus the bolt cannon plus the ball turret is out of bounds.
3. It doesn't look like you've accounted for the Xiphon's RML ability to force re-rolls on jink.

   
Made in gb
Prophetic Blood Angel Librarian




1. That can then fire at something else so still has the same damage output.
2. Fire raptors side sponsoons do not count towards its max 4 weapons fired.
3. He has. That's where the 3/4 fraction has come from.
   
Made in us
Executing Exarch





McKenzie, TN

I must say I really love the model. It is probably my second favorit flyer model for SM after the fire raptor. So that will get me to buy one.

The rules are interesting. In fact I rather like how it plays. It really is designed well to come on and cripple or destroy most enemy fliers. Probably the biggest advantage this flyer has is actually a multiple pens effect and crippling pens effect.

So I am going to discuss strategy a little rather than talking about the pts cost so much. Sorry for the wall of text.

When this flyer shoots at another vehicle flyer that flyer should always jink. The reason for this is that the XPI has a very high probability of scoring 1 pen result on AV12 and lower. If it scores a pen then you will snap fire anyways, thus jinking will lower the damage to an average of ~1 HP in damage and help to avoid the worst case possibility of multiple pens (which is very scary when most of the pens are causing vector lock and destroyed results). This also tells you something about how this flyer needs to be used. The DS ability of the flyer combined with the long range means you can DS in an out of the way corner of the opponent's deployment zone to get rear armour shots on the enemy flyers. If you can manage it you will both deal more damage against most enemies and be out of LoS and range of the flyer you shot. Intelligent placement of the DS flyer should make for safe DSing. In my mind this is the biggest advantage of this flyer. DS into rear AV10 vehicles, score multiple pens, watch as your pens stack up to disable or destroy the vehicle.

You will absolutely have to come on second if you want to accomplish anything with this flyer. Though agile+moving on to the rear back corner of your deployment zone will help keep it alive if you have bad luck so you can fly it off and try again.

The damage against flyrants is not bad but overall worse than many of the more durable flyers (stormraven and fire raptor). The one exception here is that the XRML reroll jink saves can occasionally make the damage a little better than a stormraven. The advantage to the XPI is that it can DS and shoot from the standoff range of 48". If you DS toward the rear of the flyrant this could be used to keep the XPI out of range. This can also help to get the flyrant jinking rather than relying on cover from ruins. Unfortunately there is not much that can be done about multiple flyrants. However an XPI should be able to survive a single round of shooting from 1 flyrant with average luck on the jink saves. You can then fly off and try again.

IMO the XPI is definitely overpriced by about 20 pts. It is very close in ability to a vendetta or crimson hunter. Where each of those trade some damage for survivability and other abilities.
   
Made in gb
Stalwart Veteran Guard Sergeant




 the_Armyman wrote:

Just a few points:

1. How are you getting the second sponson/turret to contribute shots against a flyer? Drawing line of sight through your own hull?
2. You can only fire 4 weapons per turn, so tacking on 4 missile shots plus the bolt cannon plus the ball turret is out of bounds.
3. It doesn't look like you've accounted for the Xiphon's RML ability to force re-rolls on jink.


1. The Fire Raptor can fire at four seperate targets a turn (main target, PotMS target, Ball turret target 1, Ball Turret Target 2) It may not be firing at only one target, which is another advantage over the Xiphon.
2. The Fire Raptor can actually fire 7 weapons a turn (4 missiles as its normal allotment, main cannons with PotMS, both ball turrets with their Independetn Turret Fire special rule)
3. With the fire raptor the jink save is calculated at the end as its going to be a flat 4+ across all weapons, the Xiphon needs to have it calculated seperately for each type of weapon so...
VS AV12 = (2*(8/9)*(4/6)*(3/6))+(2*(4/6)*(3/6)*(3/4)) = 1.09
[lascannon shots]*[chance to hit]*[chance to glance or pen]*[chance to get past 4+ jink]+[missile shots]*[missile chance to hit]*[missile chance to glance or pen]*[missile chance to get past forced reroll of successful jinks]


Automatically Appended Next Post:
Given its armour, hull points, and FOC placement, I think its a better idea to compare it to a Storm Talon rather than a fire raptor, so without further ado...

Xiphon

Infantry models
Vs Guardsmen, 2.59 wounds, 79.07 points per wound
Vs Ork, 2.59 wounds, 79.07 points per wound
Vs Space Marine, 2.59 wounds, 79.07 points per wound
Vs Terminator (5+Inv), 1.73 wounds, 118.61 points per wound
Vs T6, 3+, walking, 2.59 wounds, 79.07 points per wound
Vs T6, 3+ flying, no jink, 2.59 wounds, 79.07 points per wound
Vs T6, 3+ flying, jinking, 1.57 wounds, 130.24 points per wound

Non Flyer/Skimmer Vehicles
Vs AV10 2.89 hull points, 70.96 points per hull point
Vs AV11 2.37 hull points, 86.48 points per hull point
Vs AV12 1.85 hull points, 110.70 points per hull point
Vs AV13 1.33 hull points, 153.75 points per hull point
Vs AV14 0.81 hull points, 251.59 points per hull point

Flyers/Skimmer Vehicles
Vs AV10 2.89 hull points, 70.96 points per hull point
Vs AV11 2.37 hull points, 86.48 points per hull point
Vs AV12 1.85 hull points, 110.70 points per hull point
Vs AV 10, Jinking, 1.72 hull points, 119.03 points per hull point
Vs AV11, Jinking, 1.41 hull points, 145.66 points per hull point
Vs AV12, Jinking, 1.09 hull points, 187.63 points per hull point

Storm Talon with Skyhammer Missile Launcher

Infantry models
Vs Guardsmen, 5.32 wounds, 23.48 points per wound
Vs Ork, 5.32 wounds, 23.48 points per wound
Vs Space Marine, 2.21 wounds, 56.64 points per wound
Vs Terminator (5+Inv), 1.21 wounds, 103.18 points per wound
Vs T6, 3+, walking, 1.64 wounds, 76.42 points per wound
Vs T6, 3+ flying, no jink, 1.43 wounds, 87.28 points per wound
Vs T6, 3+ flying, jinking, 1.14 wounds, 110.05 points per wound

Non Flyer/Skimmer Vehicles
Vs AV10 3.61 hull points, 34.62 points per hull point
Vs AV11 2.55 hull points, 49.09 points per hull point
Vs AV12 1.48 hull points, 84.38 points per hull point
Vs AV13 1.06 hull points, 117.39 points per hull point
Vs AV14 0.43 hull points, 289.29 points per hull point

Flyers/Skimmer Vehicles
Vs AV10 3.11 hull points, 40.18 points per hull point
Vs AV11 2.19 hull points, 57.20 points per hull point
Vs AV12 1.26 hull points, 99.26 points per hull point
Vs AV 10, Jinking, 1.56 hull points, 80.36 points per hull point
Vs AV11, Jinking, 1.09 hull points, 114.41 points per hull point
Vs AV12, Jinking, 0.63 hull points, 198.53 points per hull point

So we can see that the Storm Talon is more effecient against every target except T6 3+ FMCs who dont jink, AV14 ground vehicles, and AV12 Flyers that do jink. Even in these cases, its not all that much more effecient.

This message was edited 2 times. Last update was at 2015/03/28 23:49:50


 
   
Made in gb
Stubborn Dark Angels Veteran Sergeant






@ It's pug. I rounded to make it quicker, but the numbers are about the same.

You can't include the fire raptor ball guns for shooting straight ahead can you, I don't think there is a way to get the bolt cannon, missiles and a turret (certainly not 2!) on the same target.
That's why my fire raptor numbers are different to yours.

Given its armour, hull points, and FOC placement, I think its a better idea to compare it to a Storm Talon rather than a fire raptor

This is a true and valid point. However in terms of points it is closer to the fire raptor. They are also both FW models, which seems important to some people.
   
Made in au
Unrelenting Rubric Terminator of Tzeentch





More importantly, why has no-one mentioned that it could be tuned into an X-Wing?




White Scars would even make a decent crack at the paint job too.

 Peregrine wrote:
What, you don't like rolling dice to see how many dice you roll? Why are you such an anti-dice bigot?
 
   
Made in gb
Mighty Vampire Count






UK

That or a Colonial Viper was my first thought when seeing it.

I AM A MARINE PLAYER

"Unimaginably ancient xenos artefact somewhere on the planet, hive fleet poised above our heads, hidden 'stealer broods making an early start....and now a bloody Chaos cult crawling out of the woodwork just in case we were bored. Welcome to my world, Ciaphas."
Inquisitor Amberley Vail, Ordo Xenos

"I will admit that some Primachs like Russ or Horus could have a chance against an unarmed 12 year old novice but, a full Battle Sister??!! One to one? In close combat? Perhaps three Primarchs fighting together... but just one Primarch?" da001

www.dakkadakka.com/dakkaforum/posts/list/528517.page

A Bloody Road - my Warhammer Fantasy Fiction 
   
Made in ca
Commander of the Mysterious 2nd Legion





 Drasius wrote:
More importantly, why has no-one mentioned that it could be tuned into an X-Wing?



I don't see much similarity


Opinions are not facts please don't confuse the two 
   
Made in au
Grizzled Space Wolves Great Wolf





It looks like a Mk 2 Viper mixed with a Lambda-class Imperial shuttle and then beaten with an ugly stick.
   
Made in gb
Hallowed Canoness





Between

 Drasius wrote:
More importantly, why has no-one mentioned that it could be tuned into an X-Wing?


White Scars would even make a decent crack at the paint job too.


Oh, please. It looks way more like a Z-95.




"That time I only loaded the cannon with powder. Next time, I will fill it with jewels and diamonds and they will cut you to shrebbons!" - Nogbad the Bad. 
   
Made in us
Willing Inquisitorial Excruciator





Pittsburgh, PA, USA

I'll wrap up my end of the conversation, since it's doubtful I'll get any traction

@ItsPug: My mistake on missing the jink re-roll in the math.

@PolyRanger: The "smug" thing was not directed at you in particular.

The points efficiency post is what I was referring to when math tells the truth you want it to. Since the Xiphon showed that it was superior as an air superiority fighter by raw hp dealt in a single shooting phase (I've never made the assertion that it was good against anything else), we now toss in points efficiency to tilt the argument in a different direction. Points efficiency is another thing that gets thrown into Mathhammer to justify one choice over another.

If the Xiphon doesn't fit your army list or role, don't use it. But in a SPECIFIC anti-flyer role where stand-off matters, it seems to be a pretty good choice. Even the math seems to bear that out

   
Made in gb
Stalwart Veteran Guard Sergeant




 the_Armyman wrote:
I'll wrap up my end of the conversation, since it's doubtful I'll get any traction

@ItsPug: My mistake on missing the jink re-roll in the math.

@PolyRanger: The "smug" thing was not directed at you in particular.

The points efficiency post is what I was referring to when math tells the truth you want it to. Since the Xiphon showed that it was superior as an air superiority fighter by raw hp dealt in a single shooting phase (I've never made the assertion that it was good against anything else), we now toss in points efficiency to tilt the argument in a different direction. Points efficiency is another thing that gets thrown into Mathhammer to justify one choice over another.

If the Xiphon doesn't fit your army list or role, don't use it. But in a SPECIFIC anti-flyer role where stand-off matters, it seems to be a pretty good choice. Even the math seems to bear that out


Points effeciency is more important than raw numbers, if I have a super unit that can kill 10 terminators a turn, than that sounds great, but if it costs 3 times as much as a unit that can kill 5 terminators a turn then it is not effecient.

The stand-off range is not likely to be important when you can move 36" before firing, to put that in perspective, if you measure from the very corner of a 6x4 table and move 36" on, unless the enemy flyer is less than 2" long or wide, you'll be within 48" range, if you come on from opposite the enemy flyer you'll be at most 36" away, minus the size of the flyer and the required movement its had to complete, so most probably within 24" or less.

But assuming you are still somehow firing at a target 49" away....
Vs AV10, non jinking flyer, Xiphon scores 1.11 HP, 184.50 points per HP, Stormtalon with Skyhammer scores 1.33 HP, 93.75 points per HP
Vs AV11, non jinking flyer, Xiphon scores 0.89 HP, 230.63 points per HP, Stormtalon with Skyhammer scores 1.00 HP, 125.00 points per HP
Vs AV12, non jinking flyer, Xiphon scores 0.67 HP, 307.50 points per HP, Stormtalon with Skyhammer scores 0.67 HP, 187.50 points per HP
Vs AV10, jinking flyer, Xiphon scores 0.83 HP, 246.00 points per HP, Stormtalon with Skyhammer scores 0.67 HP, 187.50 points per HP
Vs AV11, jinking flyer, Xiphon scores 0.67 HP, 307.50 points per HP, Stormtalon with Skyhammer scores 0.50 HP, 250.00 points per HP
Vs AV12, jinking flyer, Xiphon scores 0.50 HP, 410.00 points per HP, Stormtalon with Skyhammer scores 0.33 HP, 375.00 points per HP

The stormtalon is more effecient at all targets
   
 
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