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The way I play my land raiders is that they can't fire both lascannons at a model that it is wider than. So it could probably fire both of them at a side of a Leman Russ, but not at a Leman Russ that is facing it head on.

Is this the right way to play it?

Depends how far away the target is.

AKAIK, the pivot on the sponsons allows it to point both just past the corner of each track, and those firing lines will cross eventually.

True line of sight, if you are far enough away you could angle your weapons in slightly to be able to fire on the vehicle.

Danny1995. Kind of nailed it. See the lascannon with a small angle in from both sides will converge on each other depending on where you mounted them front or back is around 11 to 12 inches for the front. Not sure about the rear mounting you can just measure it out. Most definitely if it's more than say 16 inches away.

All comes down to TLoS. If the weapon can be directed at the model and 'see' it...it can fire.

You might want to just go ahead and measure where that point crosses ahead of time...

That will only tell you how to converge fire to a point. When firing at a vehicle you get a lot of leeway due to its width.

Of course units of infantry, like vehicles, will have a wider footprint than a single model. In practice, I've found that my LR sponsons can both hit the same target more often than not. In almost every situation where they CAN'T, it's because I had the LR pivoted to embark/disembark troops.

On the topic of TLOS and TL guns, do we check from either one? Or do both barrels have to have LOS to the target?

HIWPI has always been you just need one, but thought I’d ask.

 Nevelon wrote:
On the topic of TLOS and TL guns, do we check from either one? Or do both barrels have to have LOS to the target?

HIWPI has always been you just need one, but thought I’d ask.

In the case of side-by-side TL weapons, I'd check from the midpoint between the two. If there are any where the weapon is TL but separated across the vehicle (by an entire wingspan or somesuch) then I would say both have to have TLOS.

If a model was positioned at the corner of the building, so it was peeking out with only half of it's head visible, would you claim that the model does not have Line of Sight simply because only one 'eye' is visible.

 Jimsolo wrote:

 Nevelon wrote:
On the topic of TLOS and TL guns, do we check from either one? Or do both barrels have to have LOS to the target?

HIWPI has always been you just need one, but thought I’d ask.

In the case of side-by-side TL weapons, I'd check from the midpoint between the two. If there are any where the weapon is TL but separated across the vehicle (by an entire wingspan or somesuch) then I would say both have to have TLOS.

The Gauss Flayer Array on the Necron Ghost Ark only needs to draw line of sight from one of the barrels per the FAQ.

It also depends on whether the lascannons are built on the front or rear doors. On the front doors I think the blind spot is only 7" in front of the Land Raider if I'm remember correctly (haven't used one in years). Past that both lascannons can see.

If the lascannons are modelled on the rear doors then the blind spot would be larger.

Ghaz,
Thanks, I knew I saw it in a Frequently Asked Question but couldn't find the right one!

I think if the LR is facing directly at the vehicle in question it will always be able to draw LoS with both lascannons no matter the distance. I don't think any current vehicle has the required dimensions to make it impossible. If the LR isn't directly facing the vehicle, it is very likely one of the sponsons won't have the LoS.

JinxDragon wrote:
Ghaz,
Thanks, I knew I saw it in a Frequently Asked Question but couldn't find the right one!

Also the taurox prime would be unable to hit anything that was not directly in front of it with its t-l Hotshot volley gun/Autocannons.

Between the flayer array FAQ and models like the Prime and a one or 2 others(a common form of vendetta sees the lascannons one to a side in the nose, I just adjusted the single lascannon that camme with the model and added a sentinel lascannon barrel so have a blind spot to the left) we are reasonably sure any barrel in a single weapon system can be "the barrel" you sight along; if you have LOS with 1 barrel, you can shoot with the weapon.

 Grey Templar wrote:
I think if the LR is facing directly at the vehicle in question it will always be able to draw LoS with both lascannons no matter the distance. I don't think any current vehicle has the required dimensions to make it impossible. If the LR isn't directly facing the vehicle, it is very likely one of the sponsons won't have the LoS.

Don't have the models directly in front of me to check but an Ork warbuggy and/or wartrakk might have just such dimensions while just over an inch away from the front of the Landraider, being super thin and short(not too much bigger than a Bike)

Possibly, although I think you'll still have at least the tiniest sliver of the back of the buggy in LoS.

Vehicles that seemed like they might be small enough to fit in a Land Raider's forward blind spot:

IG Sentinel, Rogue Trader Dreadnought, (Isn't there a Sisters of Battle walker? That's pretty small, isn't it...), Forgeworld Grot Tank (?), Eldar war walker.

I don't know the dimensions of all these for sure, but they seem like they might be small enough to pull it off.

Depending on if the Land Raider sponsons are fore or aft I imagine a Rhino could pull it off parked nose to tail with the Land Raider.

Page 72 of the BRB, arc of sight 1 is for LR, answers this exact question.

So if a rhino were positioned such that the front arc of the vehicle wasn't in LoS of either Las, but the back of the rhino is... would it then get a cover save because you can't draw line of sight to the Arc of the vehicle the weapons are in?

chanceafs wrote:
So if a rhino were positioned such that the front arc of the vehicle wasn't in LoS of either Las, but the back of the rhino is... would it then get a cover save because you can't draw line of sight to the Arc of the vehicle the weapons are in?

Yes, in fact if just the front itself is out of view you get the save.

chanceafs wrote:
So if a rhino were positioned such that the front arc of the vehicle wasn't in LoS of either Las, but the back of the rhino is... would it then get a cover save because you can't draw line of sight to the Arc of the vehicle the weapons are in?

What kind of hideous Lovecraftian board do you play on where your Land Raider is IN the vehicle's front arc, but your weapons can hit it's REAR arc?

That's trivial.

Rhino at a slight angle with the front near the front of the Land Raider.

I'd just like to mention that if you do fire both las cannons from a land raider's sponsons at a target that the angles can sometimes cause you to strike the side armor as opposed to the front armor of the vehicle (if it was facing you head on).

This confers a +1 cover save to the target vehicle as you are striking a side of the vehicle that is not facing you.

Yes, that was mentioned earlier.

This is why, when you model land raiders, you put the guns on the front.