TAZ-NZ

Can anyone confirm the thickness of the 13B-MSP front, rear and center housings.

My best guess puts them at:

a) Rear housing = 60mm (measured from rotor face to bellhousing mating surface)

b) Center housing = 50mm (measured rotor face to rotor face)

c) Front housing = 55mm (Measured from rotor face to front cover mating surface)

d) rotor housings =80mm (per mazda spec)

Can some please measure and correct or confirm these number for me, I'm guess I was out of the front and probably the back housings.

rotarygod

I'd have to go measure them again but the front and rear housings are thicker than the 13B housings which makes the Renesis longer than the 13B. The rotor housings are 80mm and the center housing is the same width as the 13B.

TAZ-NZ

That would mean the center housing is 50mm as I guessed, based on what I know of the 13b.

If you could measure your the front and rear housings I'd be very grateful.

thanks

taz-nz

Mazmart

iTrader: (12)

What are you attempting to do Taz (If you don't mind my asking)?

Paul.

TAZ-NZ

Basically for purely academic reasons, I'm one of the people that likes to know stuff nobody else cares about, and I'm running some theoretic number in my head on the feasibility of a Quad rotor MSP engine.

With the eventual release of the 16x engine with it's 70mm rotor housings, it looks as though it could be a possiblity. It's totally inpractrical to build a quad from 13B-MSP parts as it would simple be too long, but even with the need for center plate approximately 100mm thick, in theory atleast a pratical 32x engine could be built, as it would only need to be about 25mm longer in overall lenght to the current generation of peripheral port quad rotor engine being built now.

Dreams are free, making them a reality is what hurts.

RotaryResurrection

iTrader: (3)

55mm, 50mm, 60mm (f/i/r).

Though the front and rear irons are thicker, the intermediate is the same, but the overall engine length is also the same as previous 13b, because the front cover is shortened significantly. IF the engine were longer as a unit, so would the shaft need to be longer than the older ones, but it is not.

TAZ-NZ

Thanks for confirming those numbers and the extra info about the front cover, I knew the front and rear plates on the 13B-MSP were thinker but didn't realise Mazda compensated for this by making the front cover shorter. Makes a lot of sense though.

From what I seen in images the 16X, the rear and center housings are the same thinkness as those 13B-MSP, and one can presume the front housing is to too as I can see little reason for mazda to change this.

So that means a 32x (quad rotor) would be 595mm in length from the bellhouse mating surface to the front cover mating surface, presuming it requires a custom 100mm center plate and all other housings are stock 16x items, which means as I suppected it would only be 25mm (~1") longer than a quad rotor based on 13B-REW parts at 570mm.

It's unlikely you could retain the shorter fronter cover with a quad rotor more than likely requiring a dry sump setup, but at only a inch longer a quad rotor MSP engine based on 16x parts is a real possible.

Now all that's need is Mazda to release the 16X and someone with deep pockets, not likely to be me unless I win the lottery sometime soon.




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