I have some bad news, I noticed a little vibration when testing the engine, so thought I would strip it down and check it out. I removed the outer engine...
Hi Yes I have heard of foil bearings I think they use air as a support medium. Have a look around on youtube I saw a gas turbine using foil bearings somewhere...
Replacing the turbine shouldn't be a big deal...let everyone know what exactly you need and I'm sure someone can scrounge one up. Heck, as I sit theres a...
hi John, Thanks for your advice, particularly about correctly proportioned turbine wheel. Theres quite a lot to look into before selecting a turbocharger for...
Hi Dean A NGV is a Nozzle Guide Vane set, it surrounds the turbine wheel inlet and contains a number of blades forming individual nozzles to accelerate the...
I have a new cummings st50 that I bought some months ago and would like to build the turbine around it. Any general plans with dimensions would be a great...
Hi, I'm new to this group and I wanted to say "thanks" for being accepted. I'm working on setting up evaporative fueling with automotive style injectors. My...
I'm haven't found anything, but I was wondering if anyone has tried using a glow plug instead of a spark plug for ignition. I know on some RC turbines they use...
Hi SKI If you checkout the Starter Pack in Files Section , theres both Jetspecs Designer 2 exe program for calculating the required combustor dimensions, and...
Hi Ryan Welcome :-)) Evaporative systems can be very simple , all you need to do is get the fuel into the evaps , this can be from basic holes drilled in...
Hi Chris It has been tried by members, though with mixed results , its necessary to set it up "just right" to get it to function reliably . Cheers John ... ...
Hi Jooz Bummer :-(( you should be able to get a replacement turbine wheel/shaft , though even damaged wheels can run for hundred/thousands of hours if...
Thanks John, I did think about getting it rebalanced but was not sure that the turbocharger rebalance equipment would be able to accept my wheel as its sole...
I bought some Moeller pressure gauges on ebay to use on my project. These are mil spec gauges and have a fitting on them like I've never seen before. Does...
in a couple of days my new site gona be on the net you will fine some pretty good idea how to draw your own plans or i may draw them for you with the spec of...
in a couple of days my new site gona be on the net by the way hello to all of you i am not much on in the group for now i am working hard on my web site and...
Hi Joolz Are there any pics of the damaged parts ??? What sort of "turbo" are you using ?? Cheers John ... From: Joolz To: DIYGasTurbines@yahoogroups.com Sent:...
Hmmmm, maybe, these are on gauges that read into the 1000's of psi though. It would have to be able to withstand those types of pressures. I also don't know...
... reliability ... parts. ... seal. ... project. ... never ... link to ... shots. ... that ... Hi Eric You could always take it to your local hydraulic...
Most of the time when you see a conical sealing surface, it's high pressure. Look at autoclave engineers stuff, that all they use and they go way past 30000...
Hi John Im using the gas producer section of a lucas cr201 apu not a turbocharger based gt. I will get some pics up when I can. the damage is on the tips of...
Hi John Wallis, as promised I would deliver data of my running kart, but unfortunatly some things went really wrong during operation of my engine. Saturday I...
it is under construction but peoples can have a good idea of what it is gona look like http://www.eddy-dupuis2000.com/ please give me some feedback of what you...
Hi Joolz Mmmm, not too many of them lying around :-(( At 1mm by 0.5 mm , I recon you'd be able to get that rebalanced without any problems , thats very minor...
Hi Martin A P4t reading of 0.5 bar - 7.5 psi is very high for an engine running only a P2 of 1.3 bar-20psi , something is very "unbalanced" , at a P2 of 1.3...
Thanks John I feel a lot more optimistic now. I will give her some tender loving care and see how it goes. On a brighter note I have a new turbocharger for the...
Hi John, As I said, I coudn't read out the p4t pressure good, because before I had the chance of taking a good look at it, the engine broke down. I though I...
Hi Martin Unless your P2 pickup is situated very close to the actual compressor wheel outlet , the dynamic component would only amount to <0.2 bar if mounted...
Yesterday I called my turbo rebuilder about changing out a Cummings VT-50 to an ST-50 and he said he thought he could maybe still find a compressor scroll. I...
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