Broadside Maths! (vs Armour)

4244 Views 17 Replies 7 Participants Last post by Aethelwulf1972, Jun 22, 2013

VampireCabbage

Discussion Starter · Jun 13, 2013 (Edited)

So, in one of the army list threads, someone stated that HRR broadsides were more effective against flyers than HYMP broadsides...

This is not what I expected - I would expect HRR to be more effective against av14 (duh), them to be about level at AV13 and HYMP to be better at av12 and below. HRR is about pens, HYMP is about HP attrition. so I decided to crank out some mathhammer!

I used the calculator found here: http://mathhammer40k.com/shooting/armor

I've ignored the 'chance to destroy' column because it doesn't seem to take HP attrition into account and is only about penetrating hits (i.e. removing 6HPs was still only 60ish% to destroy)

3 x HRR:

# Hits	AV	Pens	Glances	HP Removed	% to destroy
2.25	10	1.5	0.375	1.875	62.5%
2.25	11	1.125	0.375	1.5	53.1%
2.25	12	0.75	0.375	1.125	37.5%
2.25	13	0.375	0.375	0.750	18.8%
2.25	14	0	0.375	0.375	0%

3 x HYMP:

# Hits	AV	Pens	Glances	HP Removed	% to Destroy
9	10	4.5	1.5	6	55.8%
9	11	3	1.5	4.5	42.1%
9	12	1.5	1.5	3.0	23.6%
9	13	0	1.5	1.5	0%
9	14	0	0	0	0%

So, HYMP is clearly superior at AV12 and below and will destroy things (as expected) with Hull Point attrition

At AV13, HYMP is superior at HP Attrition, but HRR balances this out with the fact that it can penetrate (and therefore straight up destroy it)

And obviously at AV14 HRR out performs - though it can only remove HPs

If you want to consider a jink save (or a helldrake's Inv save), simply multiple each figure by 2/3

EDIT:

How about... broadsides with EWOS shooting at fliers that arrive from reserve (no velocity tracker), relatively common setup for them

HRR:

# Hits	AV	Pens	Glances	HP Removed	% To Destroy
0.917	10	0.691	0.153	0.764	30.6%
0.917	11	0.458	0.153	0.691	22.9%
0.917	12	0.306	0.153	0.458	15.3%

HYMP:

# Hits	AV	Pens	Glances	HP Removed	% To Destroy
0.917	10	1.833	0.611	2.444	28.2%
0.917	11	1.222	0.611	1.833	19.8%
0.917	12	0.611	0.611	1.222	10.2%

Statistically speaking, HYMP is 3 times as powerful as the HRR in this instance

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Aethelwulf1972

· #18 · Jun 22, 2013

I have to say after reading this thread, I am a fan of the stats posted for they HYMP but i am still sooooo not a fan of the look of the model with the HYMP lol. but then av12+ is why I run hammerheads anyway... and let's keep in mind that most vehicles have armor 10 on the back and that is what i have been trying to use to my advantage for vehicle killing... getting something to the back armor for an easier kill, ie crisis or stealt suits deep striking (or outflanking in the case of stealths) to open up on rear armor.

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