There is a facility near here, where they ship the tank that have be hit by DU munitions. The decon them before the scrapping begins

 

DU wont really work as its really soft and it gives off radiation if its not hard anodised. The place were I work used to use it.

 

mate, for your sake i hope they had good health benefits.jk..jk. Still haven't had the time to install the engine. hopefully after i get back from tokyo next week i'd be able to dedicate some time to finishing the whole project off.

some of the replies here have got me pretty worried and being the guinea pig makes it even scarier. well te thinkgs i do LOL

 

We used to get the cores machined from a different site that had all the safety side sorted, they were hard anodised to lock in the alpha and beta rays so were safe untill you scratched the anodise and then they would leak.

Lucky I never handled them LOL. I dont fancy growing two heads

What about titanium seals??? Light and strong.

 

you get me a chunk of uranium and i'll make a set of seals and use them just for ***** n' giggles

 

how does it give off radiation? i thought the lack of radiation is what make it "depleted".

but like it matters anyway. our **** was built in hiroshima...it's probably seen its fair share of radiation

 

My old man works at the same place and he is the radiation officer down there. We work in a munitions factory and he had to do the safety course for it.

He told me abit about it.

 

ouch! funny as hell, but ouch!

 

 

Depleted doesn't mean it has zero radiation.
Depleted means the Uranium doesn't have enough to be consider highly radioactive.
It's still low-level radioactive.

Same thing with Tritium...


-Ted

 

thanks for the lesson.

now get me some so i can have some fun. make it enriched uranium with a plutonium coating--then when i blow the engine up everyone will get a nice light show

 

MMMMMM.

Last Project I worked on: Tritium Extraction Facility
Project Before that: Tritum Consolidation
Current Project: Mixed Oxide Fuel (aka Plutonium enriched reactor fuel)

Whatcha want to make?

 

Do you glow in the dark yet???


-Ted

 

Nice fellas ;-) but could we get back on topic? I find this issue very interesting in order to know what to order.

 

There are lot of rocket scientists here, keep it up, maybe you guys can design a rotor that automatically seals itself since it has about a 6 inch built in seal that comes out due to inertia. Like one of those switchblades that go straight out with a spring inside.

 

oh yea...on topic.

RA was out of them, so i ordered a set from rotary resources. imma giveanigga chance.

 

Yes, please, back on topic. The man bought RA "Nitrided Seals". I really want to here more about this.

The comment by Glassman is very interresting.I would like to know if they gave up on nitrided seals because ceramic was so much better, rather than nitrided not being any better than stock? Do you know what I mean? Maybe the deeply nitrided seal may be better than the stock seal, but, the ceramic is 10X better.

Comments?

I hope FD3s7007 keeps us updated about his seals and can maybe give us some info on exactly what RA is doing and how well it holds up.

 

Ok... Did the Super Seals at any time come with springs???

 

According to the site, no. These seals are recommended for hi abuse, hi boost hp situations. They recommend using stock springs with these.

 

I know the recommendations and that the site says that they do not come with springs, However I was just wondering if they ever did come with springs since the picture in this thread shows springs and no numbers but they do come numbered now without springs...

 

mine came with springs and weren't numbered.

i couldn't find any warnings about the springs on rotary resources website, but i don't think i'll risk it. stock springs for me.

 

I got a set of 3mm RA standard seals and bought a set of atkins 3mm double seals to go with them. Then machined the apex seals to accept the smaller spring. The seals arn't as hard as people make them out to be as the carbide cutter went straight though without a problem, with no water on either.

 

MMM well Carbide is kind of hard itself.

On subject, My dad works in the Aerospace industry and he seems to think they may well be Graphite impregnated hence the dark grey/Black?

I'm also intrested in the out come of the new seals. Shame its not an over night thing

 

I agree. On the RA website they state the material would be harder then mazda seals. Now I tested them (3mm 2 PC 'super seals') and they are approx 10 RC down. Mazda FD 2 pc seal is around 50 and and the renesis ones are even a bit harder at 59. The RA seals I measured used an new in some locations and the ranged between 35 and 43.

I have an issue where on the rear rotor the seal dies in a few tanks of fuel even w very conservative spark, 98 RON @ lambda 0.72, 1000cc water @ 20psi boost. 1 bottle of idemitsu 2 stroke oil per tank (~1.6%), no fuelcut, racingbeat style ribs on coolant jacket near plugs, TII waterpump (cast impeller) wo gasket, wire EDM slots at 3.01mm, approx 0.065mm slot clearance Somehow the seal in the front rotor is happy and the rear one are not. 2 times in 5 tanks fuel is a bit too much

 

This is an old thread, and while I usually like to come with some empirical data I only have heuristic experience on this one and that is: RA seals warp, period. In a 3 rotor I've been developing with a client he decided to run RA Super seals even though I suggested initial development be on OEM seals (to then graduate to Ianetti ceramics). Both a peripheral port config and a supercharged config we would slowly lose compression over the course of a few races to ultimately have to tear down and rebuild. The net net, for me, is that we were able to establish that the Supers would not last in the racing environment we were subjecting them to and he received a full refund for both sets he purchased (after having a civil conversation and sending back examples of the seals, this wasn't a drama case). This last season we ran OEM seals and are now moving on to ceramics as soon as we reach our peak boost goal/he learns to drive the car.

That said, this is just my experience with them, potentially I am doing something incorrectly but the ceramics and OE seals I tend to use fare beautifully.