Rotor differences?

[Blue]

What are the difference between the following rotors (weight, floating, etc) besides the looks?
#1

#2

#3

[Speeddog]

I'm pretty sure all of them are semi-floating.

#1 - heaviest - 4mm thick rotor - carrier is steel - 1822g for a worn-out one, thickness below minimum of 3.6mm



#2 - slightly lighter -  4mm thick rotor - carrier is steel - 1684g for a low-miles unit, 1710g brand new



#3 - lightest - Carrier is definitely aluminum, that style is known as 'snowflake' - 5mm thick rotor - 1664g brand new



#4 - Even lighter - BrakeTech 320mm dia x 6mm thick semi-narrow band iron full floater - 1586g brand new



#5 - Small rotor from S2R800, M695, some M620 300mm x 4mm - 1578g used



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Brembo T-drive 320mm diA x 5mm thick narrow band  5-bolt - 1485g brand new

BONUS - Chinese 'wave' rotor -5mm thick rotor - aluminum carrier - 1436g brand new

BONUS - Just 'cause I had one - Rear OEM Monster Brembo rotor - 876g brand new

( Off Brand, OEM Yamaha 320mm stainless blade, 5mmm thick, aluminum carrier - 1822g )

[battlecry]

Speeddog, I got #2s in my 2003, and a magnet sticks to the carrier. 

[Speeddog]

Speeddog, I got #2s in my 2003, and a magnet sticks to the carrier. 

Thanks, I went back and edited/added to my post. 

[junior varsity]

Yes. I would like to add that the 'swiss cheese' rotors of #1 suck the most. (not just because they weigh a ridiculous amount, but that's a good bit of it).

[erkishhorde]

Yes. I would like to add that the 'swiss cheese' rotors of #1 suck the most. (not just because they weigh a ridiculous amount, but that's a good bit of it).

Dang, that's what I've had on my bike for years. 

[junior varsity]

i mean, same here, but in regards to the latest and the greatest, the latest and greatest are later and greater.

[koko64]

Anyone know what the old SBK/Superlight/Monster S cast iron rotors weigh with the alloy carriers?

[Speeddog]

BrakeTech are indeed good parts, I really like mine.  

But.... the Brembos shown above are available for ~1/2 the cost.

[junior varsity]

None of the above make much sense to me.  BrakeTech is the only setup that floats fully yet transfers the braking force directly.  Better by design & the weight is low.

Guess you haven't seen t-drive yet.

[Blue]

Wow, thanks everyone for taking the time to respond.  The weights are what I was after most, but also braking performance was important. 
I have rotors #2 on my scoot.
I am just thinking about mods to the bike, both short and long term.
The suspension is done (Ohlins rear and racetech front) and I have started doing track days. 
Unsprung weight is on my mind!

[junior varsity]

when you decide money is no object, please get the sicom carbon rotors (and let me borrow your bike on occasion)


done wheels yet?

[Blue]

when you decide money is no object, please get the sicom carbon rotors (and let me borrow your bike on occasion)

I hope you don't mind waiting a long time...

done wheels yet?

No, not yet. 
I am a bit on the fence with the wheels.  I have the 25/17 axle combo.
I have looked at BST, Carrozzeria and Pierre's SS 5 spoke wheels for an upgrade, but I dunno.  A couple grand for wheels, a grand for brakes, a grand for forks/triples, half grand for a steering damper equals more money than a track bike would cost.  
But a track bike isn't my Monster... [moto]

[junior varsity]

that's my same thoughts re: the bike versus a separate track bike.

I've got the same wheel/axle combo as you (after some front end upgrades) - 25/17

if you do it a wheel at a time, you can fit any 748-916-996-998, late Monster or SS wheel - they are all 6-bolt, 25mm axle hole. then just find a 17mm axle hole rear.

[Blue]

that's my same thoughts re: the bike versus a separate track bike.

I've got the same wheel/axle combo as you (after some front end upgrades) - 25/17

if you do it a wheel at a time, you can fit any 748-916-996-998, late Monster or SS wheel - they are all 6-bolt, 25mm axle hole. then just find a 17mm axle hole rear.

Cool, that is an option for sure. 
Off to eBay for me!
Before I do, do you have or know where to find the weight differences between the original 3 spoke, newer 3 spoke (which I have) and 5 spoke wheels that came stock on Ducatis?