[Diy_efi] This turbo assist stuff, suggestions

[Greg Hermann]

At 2:35 PM 1/1/03, Grant Beaty wrote:
>> Ball-bearings indeed do have lower friction than under-lubricated
>> hydrodynamic bearings.
>
>Yes, we are aware of that. I think more people are worried about friction
>during opperating conditions. Or are you implying that cold-starts can
>eventually take their toll on plain bearing turbos?
>
>FWIW Turbonetics now uses 713C Inconel turbine wheels. Not any lighter I
>guess, just stronger? I wonder why they would want them stonger, I've never
>heard of a failure, except of course for those molten EGT probes....
>http://www.turboneticsinc.com/713CInconel.html
>
>Grant Beaty
>
For 713C, it would likely be "still strong at higher EGT's" along with less
creep. If that C is for Cobalt (would have to look it up), will also be
more erosion resistant---

Greg



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